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

Locked In Stud

Model / MPN: 21131-15 | NSN: 5307-01-370-7086
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
5307-01-370-7086
Sold in multiples of
10 EA
DEMIL
NO
Thread Class
3a
Thread Direction
Right-hand nut threadright-hand stud thread
Thread Length
1.779 inches nut thread0.292 inches stud thread
Locking Feature
Key inserts
Shoulder Diameter
Between 0.239 inches and 0.249 inches
Shoulder Length
Between 0.035 inches and 0.045 inches
Overall Length
2.180 feet
Distance From Shoulder Portion To Nut End
Between 1.795 inches and 1.815 inches
Thready Qty Per Inch (tpi)
28 nut thread24 stud thread
Hardness Rating
Between 48.0 rockwell c and 52.0 rockwell c
Thread Size
0.250 inches nut thread0.312 inches stud thread
Surface Finish
32.0 microinches 32.0 microinches ball end
Material
Steel comp 420 and iron alloy 660
Material Specification
Ams 5506 assn standard 1st material response and cams 5737 assn standard 1st material response
Style Designator
Locked in
Thread Series Designator
Unjf nut threadunjf stud thread
21131 Series Parts
Solicitations
Solicitation Description Qty UOM Close Date
SPE5E417T8514 Stud, Locked In 10 EA 04/06/2017
SPE5E417TD139 Stud, Locked In 12 EA 07/28/2017
SPE5E417TE408 Stud, Locked In 15 EA 08/22/2017
SPE5E418T3469 Stud, Locked In 15 EA 12/19/2017
SPE5E419T5680 Stud, Locked In 20 EA 02/11/2019
SPE5E419T8500 Stud, Locked In 20 EA 04/11/2019
SPE5E419T9724 Stud, Locked In 29 EA 05/09/2019
SPE5E419T071A Stud, Locked In 10 EA 06/27/2019
SPE5E419T201S Stud, Locked In 9 EA 09/05/2019

Pricing and Availability

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21131-15 Cross Reference
  • J1131P15
  • KLSS10151-3-15
  • KLSS10151-3-15