B493567

View detailed technical data, stock status, and sourcing information for: B493567
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5307 Studs

National Stock Number

5307-01-157-8409

Item Name Code

15943

Assigment Date

07/13/1983 (43 years ago)

A headless fastener not exceeding 12 inches (304.8 mm) in length, threaded externally on both ends on which the nominal diameter of one threaded section is greater than the other. The unthreaded section must have more than one diameter, none of which may be larger than the maximum major diameter of the larger thread. It may be thread relieved. Excludes:items with tapered threads.

right-hand nut thread thread direction, right-hand stud thread thread direction, 0.880 inches nominal nut thread thread length, 3a nut thread thread class, 3a stud thread thread class

Product Characteristics

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

Thread Class: 3a nut thread
Thread Class: 3a stud thread
Thread Direction: right-hand nut thread
Thread Direction: right-hand stud thread
Thread Length: 0.880 inches nominal nut thread
Thread Length: 0.650 inches nominal stud thread
Overall Length: 2.180 inches nominal
Length Of Recessed Portion Of Shank: 0.300 inches minimum and 0.330 inches maximum
Diameter Of Recessed Portion Of Shank: 0.190 inches minimum and 0.195 inches maximum
Thread Quantity Per Inch: 24 stud thread
Thread Quantity Per Inch: 28 nut thread
Nominal Thread Size: 0.250 inches nut thread
Nominal Thread Size: 0.375 inches stud thread
Material: steel corrosion resisting
Style Designator: recessed and stepped
Thread Series Designator: unjf nut thread
Thread Series Designator: unjf 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
99-971-5634	Recessed and Stepped Stud
B493567	Recessed and Stepped Stud

FAQs

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

What is the FSCG of the NSN 5307-01-157-8409?

The FSCG of the NSN 5307-01-157-8409 is 5307

Does the NSN 5307-01-157-8409 have a Schedule B code assigned?

Yes, the Schedule B code is 7318190000

Does NSN 5307-01-157-8409 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 5307-01-157-8409 contain precious materials?

Item does not contain precious metal.

Does NSN 5307-01-157-8409 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 5307-01-157-8409 was assigned to the Federal Catalog?

It was assigned 43 years ago, on Wed, Jul 13, 1983