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

Locked In Stud

Model / MPN: 21131-3 | NSN: 5307-01-268-1308
ITAR Registered seal

A headless fastener externally threaded on both ends with each threaded portion of one but not necessarily the same diameter. It is designed to be locked in place by either a ring, lock, serrated or a ring, lock, keyed.

Product Details
NATO Stock Number
5307-01-268-1308
Sold in multiples of
DEMIL
NO
Thread Class
3a nut thread
Thread Class
3a stud thread
Thread Direction
Right-hand nut thread
Thread Length
0.312 inches stud thread
Locking Feature
Any acceptable
Overall Length
0.812 inches
Distance From Serrated Portion To Nut End
0.461 inches
Distance From Serrated Portion To Stud End
0.312 inches
Distance From Serrated Portion To End Of Stud Thread
0.037 inches
Thready Qty Per Inch (tpi)
28 stud thread
Thready Qty Per Inch (tpi)
32 nut thread
Thread Size
0.190 inches nut thread
Thread Size
0.250 inches stud thread
Material
Steel
Style Designator
Locked in
Thread Series Designator
Unjf nut thread
Thread Series Designator
Unjf stud thread
21131 Series Parts

Pricing and Availability

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21131-3 Cross Reference