B831-9521-74

View detailed technical data, stock status, and sourcing information for: B831-9521-74
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5340 Commercial Hardware

National Stock Number

5340-01-503-0977

Item Name Code

22002

Assigment Date

12/04/2002 (23 years ago)

An externally threaded fastener designed for insertion into holes in assembled parts, for mating with a preformed internal thread and for tightening or releasing by torquing the head. The threaded and unthreaded portions are both of the same nominal diameter of 0.190 inch (5 mm) or larger. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. The thread length being the controlled dimension, the grip length is not specified. A locking feature may be incorporated in the design of the head or threads. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. Excludes:bolt,machine; bolt,externally relieved body; bolt,internal wrenching; and screw,cap,socket head.

unable to decode cushioning material, 6 x 0.406 thru 0.78 screw holes special features, 16.500 inches nominal length, 0.500 inches nominal thickness, 6.000 inches nominal width

Product Characteristics

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

Width: 6.000 inches nominal
Thickness: 0.500 inches nominal
Length: 16.500 inches nominal
Cushioning Material: unable to decode
Special Features: 6 x 0.406 thru 0.78 screw holes

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
596-7410251-74	Cushioning Pad
B831-9521-74	Cushioning Pad

FAQs

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

What is the FSCG of the NSN 5340-01-503-0977?

The FSCG of the NSN 5340-01-503-0977 is 5340

Does the NSN 5340-01-503-0977 have a Schedule B code assigned?

Yes, the Schedule B code is 8708295170

Does NSN 5340-01-503-0977 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 5340-01-503-0977 contain precious materials?

Item does not contain precious metal.

Does NSN 5340-01-503-0977 contain hazardous materials?

Indicates there is no information in the hmirs. The nsn is in a fsc in table ii of fed std 313 and a msds may be required by the user. The requirement for a msds is dependent on a hazard determination of the supplier or the intended end use of item.

When the NSN 5340-01-503-0977 was assigned to the Federal Catalog?

It was assigned 23 years ago, on Wed, Dec 4, 2002