5310-01-371-2391

Find complete technical information, availability, and procurement data for: 5310-01-371-2391
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-371-2391

Item Name Code

13393

Assigment Date

02/09/1993 (33 years ago)

A cylindrical item which may have wrenching and/or driving facilities and/or shoulders. It is designed to be inserted in a drilled, tapped or a pretapped hole, or molded or pressed into soft material to reduce the size of a tapped hole; to provide threads; to add strength, and/or to prevent stripping. It is one of the following: (1) a one-piece, flanged or unflanged, internally threaded item which may have external threads, and/or serrations around the periphery of the collar, designed to engage a serrated lock ring which is not included with the item; (2) a one-piece precision coiled wire; (3) a two-piece item consisting of an internally threaded cylinder and a mating externally threaded part; or (4) a one-piece internally threaded item whose outside diameter is tapered and/or knurled and/or with fin(s). The internal thread of the item may have a locking feature. Excludes:items having a sleeve on on its under portion which can be clinched or crimped. Excludes:bushing,machine thread; nut,plain,knurled; nut,plain,round; nut,plain,clinch and nut,self-locking,clinch. See also nut,plain,plate

round center hole shape style, rectangular cross-sectional shape style, round peripheral shape style, 0.4 millimeters minimum and 0.6 millimeters maximum thickness, 2.7 millimeters minimum and 2.8 millimeters maximum hole diameter

Product Characteristics

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

Cross-Sectional Shape Style: rectangular
Hole Diameter: 2.7 millimeters minimum and 2.8 millimeters maximum
Peripheral Shape Style: round
Center Hole Shape Style: round
Thickness: 0.4 millimeters minimum and 0.6 millimeters maximum
Overall Diameter: 6.2 millimeters minimum and 6.5 millimeters maximum
Material: steel overall

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
BS4320-M2.5TYPEA	Flat Washer
DIN125A 2.5MM	Flat Washer

FAQs

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

What is the FSCG of the NSN 5310-01-371-2391?

The FSCG of the NSN 5310-01-371-2391 is 5310

Does the NSN 5310-01-371-2391 have a Schedule B code assigned?

Yes, the Schedule B code is 7318220000

Does NSN 5310-01-371-2391 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 5310-01-371-2391 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-371-2391 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 5310-01-371-2391 was assigned to the Federal Catalog?

It was assigned 33 years ago, on Tue, Feb 9, 1993