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Spars, Rigging, and Hardware for Sailboats

Rig-Rite, Inc.
Phone: (001) 401-739-1140 -- FAX: (001) 401-739-1149
www.RigRite.com          Ordering/Questions

Navtec Series 500 Turnbuckle Parts


Navtec Series 500 Turnbuckles (and C810, and other variants) are unique in modern design, with two 316 Stainless Steel bodies and a central Bronze screw. Designed for use with both Wire and Rod Rigging, modular components allow a variety of configurations for use in almost any application. Versions are produced for use with Standard Chainplates or Navtec U-Bolt Chainplates, components are commonly used with discontinuous Spreader Tips for both Wire and Rod Rigging. Design allows Standard Screw to be replaced with Long Screw in the event the Swage End has to be replaced or if the rigging is otherwise too short.
See also, Complete Navtec Series 500 Turnbuckles, and Rigging Toggles.
 

  Navtec Series 500 Turnbuckle Parts
Replacement parts as used on the wide range of Navtec Series 500 Turnbuckles, and variants.

D510 - Turnbuckle Swage Ends
D511 - Turnbuckle Swage Ends - 2 piece
D500, D501, D506 - Turnbuckle Rod Body Ends
D503 - Turnbuckle Double Threaded Body Ends

D320-S - Standard Turnbuckle Screws
D320-L - Long Turnbuckle Screws
D320-XL - Extra Long Backstay Turnbuckle Screws
D811 - Short Tip Turnbuckle Screws

D531 - Eye End w/ Toggle, Left Hand
D530 - Eye End w/ Toggle, Right Hand
D541, D558 - Eye End, Left Hand
D540 - Eye End, Right Hand
D542 - Upset Toggle for Eye End

D661 - Failsafe Turnbuckle Bodies
 


  Navtec Series 500 Turnbuckle Swage Ends - D510
Standard Wire Swage End as used on Navtec Series C500 Turnbuckles. All with RH (Right Hand) UNF thread.
 
 Part #  Wire Size  Thread Size  
  Nav D510-0308X  3/32"  1/4" RH x
  Nav D510-0408X  1/8"  1/4" RH  
  Nav D510-0508X  5/32"  1/4" RH  
  Nav D510-0510X  5/32"  5/16" RH  
  Nav D510-0610X  3/16"  5/16" RH  
  Nav D510-0612X  3/16"  3/8" RH  
  Nav D510-0712X  7/32"  3/8" RH  
  Nav D510-0714X  7/32"  7/16" RH  
  Nav D510-0812  1/4"  3/8" RH  
  Nav D510-0814  1/4"  7/16" RH  
  Nav D510-0816  1/4"  1/2" RH  
  Nav D510-0914  9/32"  7/16" RH  
  Nav D510-0916  9/32"  1/2" RH  
  Nav D510-1016  5/16"  1/2" RH  
  Nav D510-1020  5/16"  5/8" RH  
  Nav D510-1220  3/8"  5/8" RH  
  Nav D510-1424  7/16"  3/4" RH  
  Nav D510-1828  9/16"  7/8" RH  
  Nav D510-M1220  12mm  5/8" RH 10
  Nav D510-M1428  14mm  7/8" RH  2
 

  Navtec Series 500 Turnbuckle Swage Ends - 2 piece - D511
These 2 piece Swage Ends (D511) are used on Navtec Series 500 Turnbuckles, especially on Headstays with Furling Systems as the standard swage end is too large to pass through most luff foils. Threaded Swage Stud is secured to Turnbuckle Body with easily removable Cotter Pin. All with RH (Right Hand) UNF thread.
 
 
 Part #  Wire Size  Thread Size  
  Nav D511-0712  7/32"  3/8" RH  x
  Nav D511-0714X  7/32"  7/16" RH  
  Nav D511-0812  1/4"  3/8" RH  
  Nav D511-0814  1/4"  7/16" RH  
  Nav D511-0816  1/4"  1/2" RH  
  Nav D511-0914  9/32"  7/16" RH  
  Nav D511-0916  9/32"  1/2" RH  
  Nav D511-1016  5/16"  1/2" RH  
  Nav D511-1220  3/8"  5/8" RH  
  Nav D511-1224  3/8"  3/4" RH  
 

  Navtec Series 500 Turnbuckle Rod Body Ends - D500
Rod Body Ends (D500) for standard Rod Rigging. Used on Navtec Series 500 Turnbuckles and in a variety of Spreader Tip Adjusters. All with RH (Right Hand) UNF thread.
 
 Part #  Rod Size  Thread Size  Length OA  Notes  
  Nav D500-004-10  -4  5/16" RH  3.17"    6
  Nav D500-006-12  -6  3/8" RH  3.60"    6
  Nav D500-006-14  -6  7/16" RH  3.94"  Special  7
  Nav D500-008-14  -8  7/16" RH  3.94"    7
  Nav D500-010-16  -10  1/2" RH  4.58"    14
  Nav D500-012-16  -12  1/2" RH  4.58"    
  Nav D500-015-20  -15  5/8" RH  5.52"    
  Nav D500-017-20  -17  5/8" RH  5.52"    
  Nav D500-022-24  -22  3/4" RH  6.48"    
  Nav D500-030-28  -30  7/8" RH  7.35"    
  Nav D500-040-32  -40  1" RH  8.14"    
  Nav D500-048-36  -48  1 1/8" RH  8.75"    
  Nav D500-060-40  -60  1 1/4" RH  9"    
  Nav D501-075-36A  -76  1 3/8" RH..  8.37"  SS  2
  Nav D501-090-40A  -91  1 1/2" RH..  10.87"  SS  1
  Nav D506-022-20  -22  5/8" RH  "  Spreader Tip Turnbuckle  1
  Nav D506-030-20  -30  5/8" RH  "  Spreader Tip Turnbuckle  3
 

  Navtec Series 500 Turnbuckle Double Threaded Body Ends - D503, D500
Turnbuckle Body Ends (D503 & D500 Specials) are threaded on Both ends for use with Rod Noses and special applications. Used on Navtec Series 500 Turnbuckles. All with UNF thread.
 
 Part #  Thread Size  Thread Size  Length OA  Notes  
  Nav D503-0810  1/4" RH  5/16" RH  3.17" m  6
  Nav D503-1212  3/8" RH  3/8" RH  3.60" m  6
  Nav D503-1214  3/8" RH  7/16" RH  3.94" m  7
  Nav D503-1416  7/16" RH  1/2" RH  3.94" m  7
  Nav D503-1618  1/2" RH  9/16" RH  4.58" m  14
  Nav D503-2020  5/8" RH  5/8" RH  5.58"    
  Nav D503RL-2020  5/8" RH  5/8" LH  5.58"    
  Nav D503-2024  5/8" RH  3/4" RH  5.58"    
  Nav D500-022T05  3/4" RH  1 1/8" RH E  6.60"  12T 1 1/8" Male thread  
  Nav D500-040J01  7/8" RH  1" RH  8.25"  Custom  
  Nav D500-040J04  1" LH  1" LH  8.30"  Beneteau Lower Body  
 

  Navtec Series 500 Standard Screws - D320-S
Used on all Navtec Series 500 Standard Turnbuckles. Standard length Screws (thru 3/4") are nickel-plated, all are coated with a molybdenum disulfide lubricant to reduce friction without attracting dirt.
 
 Part #  Screw Size  Length OA  
  Nav D320-S08  1/4" Standard  5 1/2"  
  Nav D320-S10  5/16" Standard  6" 10
  Nav D320-S10X  5/16" Standard*  6" 50
  Nav D320-S12  3/8" Standard  6 3/4"  8
  Nav D320-S14  7/16" Standard  7 3/8" 50
  Nav D320-S16  1/2" Standard  8 3/8" 50
  Nav D320-S20  5/8" Standard  9 3/4"  7
  Nav D320-S24  3/4" Standard  11 1/2"  3
  Nav D320-S28  7/8" Standard  13"  
  Nav D320-S32  1" Standard  14 1/8"  
  Nav D320-S36  1 1/8" Standard  14 3/4"  
  Nav D320-S40  1 1/4" Standard  15 1/4"  
 * Racing version without nut.
 

  Navtec Series 500 Long Screws - D320-L, D323
Used on Navtec Series 500 Turnbuckles. Screws (thru 3/4") are nickel-plated, all are coated with a molybdenum disulfide lubricant to reduce friction without attracting dirt. Long Screws are usually used to replace Standard (short) Screw when the Swage End has to be replaced or when extra length is needed.
 
 
 Part #  Screw Size  Length  
  Nav D320-L08  1/4" - Long  7 1/4" 17
  Nav D320-L10  5/16" - Long  8 1/2" 26
  Nav D320-L12  3/8" - Long  9 3/8" 17
  Nav D320-L14  7/16" - Long  9 7/8" 36
  Nav D320-L16  1/2" - Long  11 7/8" 13
  Nav D323-16-J03  1/2" - Extra Long  16" 1
  Nav D320-L20  5/8" - Long  14 1/8" 11
  Nav D323-24-004  3/4" - Short SS  14 1/2"  1
  Nav D323-24-001  3/4" - Short SS  15 3/4"  1
  Nav D320-L24  3/4" - Long  16 1/2"  1
  Nav D320-L28  7/8" - Long  19"  1
  Nav D323-32-001  1" - Long SS  "  1
  Nav D320-L32  1" - Long  22 1/8"  
  Nav D320-L36  1 1/8" - Long  22 3/4"  
  Nav D320-LH40-01  1 1/4" - Long SS  22.44"  4
  Nav D320-L40  1 1/4" - Long  23 1/4"  
 

  Navtec Series 500 Extra Long Backstay Screws - D330, D323
Used on Navtec Series 500 Backstay Turnbuckles, screws are nickel-plated, and coated with a molybdenum disulfide lubricant to reduce friction without attracting dirt. Extra Long Screws are used in Backstay Turnbuckles, designed to replace or supplement Hydraulic Backstay Adjusters.
 
 
 Part #  Screw Size  Length  
  Nav D330-14S.  7/16" - Short  17 1/2"  1.
  Nav D330-14  7/16" - Standard  19"  4.
  Nav D330-16S.  1/2" - Short  17 1/2"  2
  Nav D330-16  1/2" - Standard  19"  3
  Nav D330-16L.  1/2" - Extra Long  19 3/4"  
  Nav D330-20L.  5/8" - Extra Long  22"  1
  Nav D330-24  3/4" - Long  19"  3
  Nav D330-24L.  3/4" - Extra Long  "  1
 

  Navtec Series 500/800 Short Tip Turnbuckle Screws - D811
Primarily used on Navtec Series C810 Spreader Tip Turnbuckles, Stainless Steel screws are coated with a molybdenum disulfide lubricant to reduce friction without attracting dirt.
 
 
 Part #  Screw Size  Rod Size  Length  
  Nav D811-03-004  1/4" - Short  -4  5 1/2"  2
  Nav D811-03-008  5/16" - Short  -8  4 3/4"  6
  Nav D811-03-010  3/8" - Short  -10  5 1/4"  4
  Nav D811-03-017  1/2" - Short  -17  5 1/4"  2
  Nav D811-03-022  5/8" - Short  -22  6 1/2"  1
 

  Navtec Series 500 Eye End w/ Toggle, Left Hand Thread - D541
Left Hand End (D531) is used on Lower end of Navtec Series 500 Turnbuckles. All with LH UNF thread.
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 Part # Left Hand Thread  Thread Size  Pin Size .............  
  Nav D531-0808X  1/4"  1/4"    x
  Nav D531-0810  1/4"  5/16"    
  Nav D531-1010  5/16"  5/16"    
  Nav D531-1012  5/16"  3/8"    
  Nav D531-1212  3/8"  3/8"    
  Nav D531-1214  3/8"  7/16"    
  Nav D531-1414  7/16"  7/16"    
  Nav D531-1416  7/16"  1/2"    
  Nav D531-1616  1/2"  1/2"    
  Nav D531-1620  1/2"  5/8"    
  Nav D531-2020  5/8"  5/8"    
  Nav D531-2424  3/4"  3/4"    
  Nav D531-2828  7/8"  7/8"    
  Nav D531-3232  1"  1"    
  Nav D531-3636  1 1/8"  1 1/8"    
  Nav D531-3640  1 1/8"  1 1/4"    
  Nav D531-4040  1 1/4"  1 1/4"    
 

  Navtec Series 500 Eye End w/ Toggle, Right Hand Thread - D530
Right Hand End (D530) is used on Upper end of Navtec Series 500 (C600) Double Toggle Turnbuckles. All with RH UNF thread.
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 Part # Right Hand Thread  Thread Size  Pin Size .............  
  Nav D530-0808X  1/4"  1/4"    x
  Nav D530-0810X  1/4"  5/16"    
  Nav D530-1010X  5/16"  5/16"    
  Nav D530-1012  5/16"  3/8"    
  Nav D530-1212X  3/8"  3/8"    
  Nav D530-1214  3/8"  7/16"    
  Nav D530-1414X  7/16"  7/16"    
  Nav D530-1416X  7/16"  1/2"    
  Nav D530-1616  1/2"  1/2"    
  Nav D530-1620  1/2"  5/8"    
  Nav D530-2020  5/8"  5/8"    
  Nav D530-2424  3/4"  3/4"    
  Nav D530-2828  7/8"  7/8"    
  Nav D530-3232  1"  1"    
  Nav D530-4040  1 1/4"  1 1/4"    
 

  Navtec Series 500 Eye End, Left Hand Thread - D541
Left Hand End (D541) is used on Lower end of Navtec Series 500 Upset Toggle (C515, C565) Turnbuckles. All with LH UNF thread.
 
 
 Part # Left Hand Thread  Thread Size  Hole Size  Notes  
  Nav D541-0808  1/4"  1/4"    
  Nav D541-1010  5/16"  5/16"    
  Nav D541-1212  3/8"  3/8"    
  Nav D541-1414  7/16"  7/16"    
  Nav D541-1614X  1/2"  7/16"    
  Nav D541-1616  1/2"  1/2"    
  Nav D541-2020  5/8"  5/8"    
  Nav D541-2424  3/4"  3/4"    
  Nav D541-2828  7/8"  7/8"    
  Nav D541-3232  1"  1"    
  Nav D541-3636  1 1/8"  1 1/8"    
  Nav D541-5256  1 5/8"  1 7/16"  -150 Rod  1
  Nav D558-040J03  7/8"  1 7/16"  -40 BP P&G  1
 

  Navtec Series 500 Eye End, Right Hand Thread - D540
Right Hand End (D540) is used on Navtec Series 500 Turnbuckles. All with RH UNF thread.
 
 
 Part # Right Hand Thread  Thread Size  Hole Size  Notes  
  Nav D540-0807X  1/4"  7/32"    4
  Nav D540-0808X  1/4"  1/4"    8
  Nav D540-1010X  5/16"  5/16"    1
  Nav D540-1212X  3/8"  3/8"    4
  Nav D540-1616X  1/2"  1/2"    10
  Nav D540-2020X  5/8"  5/8"    8
  Nav D540-2424X  3/4"  3/4"    
  Nav D540-4044X  3/4"  3/4"  Bronze  1
 

  Navtec Series 500 Upset Toggle - D542
Used on Lower end of Navtec Series 500 Upset Toggle (C515, C565) Turnbuckles. Designed for use with Navtec U-Bolt Chainplates.
 
 
 Part #  Hole/Pin Size  Width  
  Nav D542-10  5/16"  "  
  Nav D542-12  3/8"  "  
  Nav D542-14  7/16"  1 1/8"  
  Nav D542-16  1/2"  "  
  Nav D542-18  9/16"  1 5/8"  
  Nav D542-20  5/8"  "  
  Nav D542-24  3/4"  "  

 


  Navtec Series 500 Failsafe Turnbuckle Bodies - D661
Used on threaded stud of Hydraulic Backstay Cylinders, Failsafe Turnbuckle Bodies (used with a standard Screw and a Rod Body or other RH Series 500 component) provide enough take-up to tension the Backstay in the event of Cylinder Failure. Failsafe Bodies are RH on one end and LH on the other.
 
 
 Part #  Thread Size  Rod Size  Length  
  Nav D661-14  7/16"  -6  7 3/4"  4
  Nav D661-24  3/4"  -22  12"  2
  Nav D661-28  7/8"  -30  14 1/8"  2
  Nav D661-3632  1 1/8" LH, 1" RH  -48  15 1/4"  1

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