5310-01-388-8013

Find complete technical information, availability, and procurement data for: 5310-01-388-8013
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-388-8013

Item Name Code

29729

Assigment Date

04/08/1994 (32 years ago)

A resilient metal item, circular or nearly circular, which is designed to be inserted into an internal or external groove and retained by its own spring action, or it may have external prongs or projections designed to be inserted into a hole and retained by spring action of the prongs which grip by imbedding into the material. For items having internal prongs which perform the same function, see push on nut. It is used to keep and/or lock a part(s) in position, as a ball bearing on a shaft or in a housing. See also clip, retaining and pin, lock. Excludes:ring, connecting, round.

prevailing torque all metal design locking feature, 3b thread class, right-hand thread direction, 0.450 inches nominal washer outside diameter, 0.308 inches minimum and 0.328 inches maximum overall height

Product Characteristics

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

Thread Class: 3b
Thread Direction: right-hand
Locking Feature: prevailing torque all metal design
Washer Outside Diameter: 0.450 inches nominal
Overall Height: 0.308 inches minimum and 0.328 inches maximum
Nut Style: double hexagon
Width Across Flats: 0.312 inches nominal
Thread Series: unjf
Thread Quantity Per Inch: 28
Nominal Thread Size: 0.250 inches
Material: iron alloy 660 overall
Material Document And Classification: ams5732 assn std single material response or ams 5737 assn std single material response overall
Precious Material And Location: overall silver
Precious Material: silver
Surface Treatment: silver 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
ALL11973-4	Extended Washer Self-Locking Nut
ST1484-10	Extended Washer Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-01-388-8013?

The FSCG of the NSN 5310-01-388-8013 is 5310

Does the NSN 5310-01-388-8013 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-388-8013 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 5310-01-388-8013 contain precious materials?

Item contains silver.

Does NSN 5310-01-388-8013 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 5310-01-388-8013 was assigned to the Federal Catalog?

It was assigned 32 years ago, on Fri, Apr 8, 1994