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NationalStockNumber.INFO

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

Locked In Stud

Model / MPN: S257-7-8L11 | NSN: 5307-00-059-4943
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
5307-00-059-4943
Sold in multiples of
5 EA
DEMIL
NO
Thread Class
3a nut thread
Thread Class
3a stud thread
Thread Direction
Right-hand nut thread
Thread Direction
Right-hand stud thread
Thread Length
0.562 inches nut thread
Thread Length
0.448 inches stud thread
Locking Feature
Key inserts
Shoulder Length
0.052 inches
Overall Length
1.340 inches
Distance From Shoulder Portion To Nut End
0.688 inches
Distance From Cotter Pin Hole Centerline To Nut End
0.156 inches first hole
Cotter Pin Hole Diameter
0.076 inches first hole
Thready Qty Per Inch (tpi)
14 stud thread
Thready Qty Per Inch (tpi)
24 nut thread
Thread Size
0.312 inches nut thread
Thread Size
0.438 inches stud thread
Material
Steel comp 1330
Style Designator
Locked in
Thread Series Designator
Unc stud thread
Thread Series Designator
Unf nut thread
S257 Series Parts

Pricing and Availability

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S257-7-8L11 Cross Reference