Stepped Stud

Model / MPN: 634S1 | NSN: 5307-00-764-3796

A headless fastener not exceeding 12 inches (304.8 mm) in length, threaded externally on both ends on which the diameter of one threaded section is greater than the other. The entire unthreaded portion must be of a single diameter equal to or smaller than the major diameter of the larger threaded end. Includes radial grooves or thread reliefs. Excludes items with tapered threads.

Product Details

NATO Stock Number

5307-00-764-3796

Sold in multiples of

1 EA

DEMIL

Thread Class

3a nut thread

Thread Pitch Diameters

+0.2870/+0.2885 inches stud thread

Thread Pitch Diameters

+0.2870 to 0.2885 inches stud thread

Thread Direction

Right-hand nut thread

Thread Direction

Right-hand stud thread

Thread Length

0.600 inches stud thread

Thread Length

0.680 inches nut thread

Shank Diameter

Between 0.221 inches and 0.231 inches

Overall Length

Between 1.380 inches and 1.420 inches

Thready Qty Per Inch (tpi)

18 stud thread

Thready Qty Per Inch (tpi)

28 nut thread

Hardness Rating

Between 32.0 rockwell c and 36.0 rockwell c

Thread Size

0.250 inches nut thread

Thread Size

0.312 inches stud thread

Part Name Assigned By Controlling Agency

Navy special project

Material

Steel

Surface Treatment

Cadmium

Style Designator

Stepped

Thread Series Designator

Unf nut thread

Thread Series Designator

Uns stud thread

634S Series Parts

Solicitations

Solicitation	Description	Qty	UOM	Close Date
SPE5E419T1346	Stud, Stepped	1	EA	11/07/2018
SPE5E420T3305	Stud, Stepped	1	EA	12/27/2019

Pricing and Availability

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Stepped Stud

Pricing and Availability

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634S1 Cross Reference