51B258

View detailed technical data, stock status, and sourcing information for: 51B258
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5307 Studs

National Stock Number

5307-01-226-4996

Item Name Code

15948

Assigment Date

02/19/1986 (40 years ago)

A headless fastener not exceeding 12 inches (304.8 mm) in length, threaded externally on both ends with threads of the same nominal diameter. The maximum diameter of the unthreaded portion must not be greater than the nominal thread diameter plus 0.020 inches (0.508 mm). The unthreaded portion must be without locking or wrenching provisions. It may be thread relieved. See also rod, threaded end and rod, continuous thread.

3a stud thread thread class, right-hand stud thread thread direction, 1.000 inches nominal nut thread thread length, 2a nut thread thread class, right-hand nut thread thread direction

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Class: 2a nut thread
Thread Class: 3a stud thread
Thread Direction: right-hand nut thread
Thread Direction: right-hand stud thread
Thread Length: 1.000 inches nominal nut thread
Thread Length: 0.750 inches nominal stud thread
Overall Length: 2.812 inches nominal
Thread Quantity Per Inch: 13 nut thread
Thread Quantity Per Inch: 13 stud thread
Nominal Thread Size: 0.500 inches nut thread
Nominal Thread Size: 0.500 inches stud thread
Material: steel corrosion resisting
Thread Series Designator: unc nut thread
Thread Series Designator: unc stud thread

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
51B258	Plain Stud
9502.0024-01	Plain Stud
95020024-01	Plain Stud
CB-4225-L-A-5012	Plain Stud

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5307-01-226-4996?

The FSCG of the NSN 5307-01-226-4996 is 5307

Does NSN 5307-01-226-4996 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 5307-01-226-4996 contain precious materials?

Precious metal content is unknown

Does NSN 5307-01-226-4996 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 5307-01-226-4996 was assigned to the Federal Catalog?

It was assigned 40 years ago, on Wed, Feb 19, 1986