5310-01-331-7221

Find complete technical information, availability, and procurement data for: 5310-01-331-7221
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-331-7221

Item Name Code

15887

Assigment Date

12/24/1990 (35 years ago)

A nut having an externally splined sleeve, which holds it in position when forced into a hole of slightly smaller diameter. An integral feature is incorporated for locking.

9.3 millimeters minimum and 9.5 millimeters maximum nut diameter, right-hand thread direction, 7.9 millimeters nominal small end diameter, 1.0 millimeters nominal drive point depth, round nut style

Product Characteristics

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

Thread Direction: right-hand
Small End Diameter: 7.9 millimeters nominal
Drive Point Depth: 1.0 millimeters nominal
Nut Style: round
Nut Diameter: 9.3 millimeters minimum and 9.5 millimeters maximum
Nut Thickness: 3.5 millimeters nominal
Drive Point Width: 2.0 millimeters nominal
Undercut Thickness: 1.0 millimeters nominal
Drive Point Quantity: 12
Thread Series: m
Nominal Thread Size: 7.50 millimeters
Thread Pitch In Millimeters: 0.50
Thread Tolerance Class: 6h internal
Material: plastic polyamide (nylon) 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
331-102-020	Round Plain Nut
6318049	Round Plain Nut

FAQs

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

What is the FSCG of the NSN 5310-01-331-7221?

The FSCG of the NSN 5310-01-331-7221 is 5310

Does the NSN 5310-01-331-7221 have a Schedule B code assigned?

Yes, the Schedule B code is 3926909987

Does NSN 5310-01-331-7221 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 5310-01-331-7221 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-331-7221 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 5310-01-331-7221 was assigned to the Federal Catalog?

It was assigned 35 years ago, on Mon, Dec 24, 1990