Shouldered Stud

Model / MPN: 4S81028-101A | NSN: 5307-00-023-5943

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

5307-00-023-5943

Sold in multiples of

1 EA

DEMIL

Thread Class

2g nut thread

Thread Class

3a stud thread

Thread Direction

Left-hand nut thread

Thread Direction

Right-hand stud thread

Shoulder Diameter

3.750 inches

Shoulder Length

0.380 inches

Overall Length

20.380 inches

Thready Qty Per Inch (tpi)

18 stud thread

Thready Qty Per Inch (tpi)

2 nut thread

Thread Size

3.2 millimeters nut thread

Thread Size

0.625 inches stud thread

Stud End Shank Length

1.529 inches

Stud End Shank Diameter

Between 0.276 inches and 0.283 inches

Nut End Shank Diameter

Between 0.276 inches and 0.283 inches

Material

Steel comp 304

Material Specification

Fed standard 66 federal standard single material response

Surface Treatment

Nickel

Surface Treatment Specification

Qq-n-290 type 1 federal specification single treatment response

Style Designator

Shouldered

Thread Series Designator

Acme nut thread

Thread Series Designator

Unf stud thread

4S81028 Series Parts

Solicitations

Solicitation	Description	Qty	UOM	Close Date
SPE5E420T2330	Stud, Shouldered	6	EA	12/06/2019

Pricing and Availability

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4S81028-101A Cross Reference

4S81028-103A