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Worldwide distributor of NSN parts and consumables located in the USA.

Shouldered Stud

Model / MPN: C2851-6-4-5 | NSN: 5307-00-999-9681
ITAR Registered seal

A headless fastener not exceeding 12 inches (304.8 mm) in length, threaded externally on both ends with threads of the same diameter. All or part of the unthreaded section has a cross-sectional diameter greater than the stud size plus 0.020 inches (0.508 mm). It may be thread relieved. See also stud, locked in.

Product Details
NATO Stock Number
5307-00-999-9681
Sold in multiples of
1 EA
DEMIL
NO
Thread Class
3a nut thread3a stud thread
Thread Direction
Right-hand nut threadright-hand stud thread
Thread Length
0.325 inches nut thread0.312 inches stud thread
Shoulder Length
Between 0.0449 inches and 0.0470 inches
Overall Length
0.887 inches
Thready Qty Per Inch (tpi)
32 nut thread32 stud thread
Thread Size
0.190 inches nut thread0.190 inches stud thread
Surface Finish
32.0 microinches shank
Material
Steel comp 4130 or steel comp 4140 or steel comp 8740
Material Specification
Mil-s-6758 military specification 1st material response or mil-s-5626 military specification 2nd material response or mil-s-6049 military specification 3rd material response
Surface Treatment
Chromate and cadmium
Surface Treatment Specification
Qq-p-416 type 2 cl 3 federal specification single treatment response
Style Designator
Shouldered
Thread Series Designator
Unjf nut threadunjf stud thread

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C2851-6-4-5 Cross Reference
  • HL135-6-4-5
  • HL135-6-4-5