5310-00-050-3231

Find complete technical information, availability, and procurement data for: 5310-00-050-3231
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-050-3231

Item Name Code

05277

Assigment Date

01/01/1963 (63 years ago)

A nut having a flat bottom and 6 sides. An integral feature is incorporated for locking on the threads of a mating member. Excludes:nut (1), self-locking, cap.

0.141 inches nominal nut height, prevailing torque with nonmetallic insert locking feature, right-hand thread direction, 0.250 inches nominal width across flats, 2b 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: 2b
Thread Direction: right-hand
Locking Feature: prevailing torque with nonmetallic insert
Nut Height: 0.141 inches nominal
Width Across Flats: 0.250 inches nominal
Thread Series: unc
Thread Quantity Per Inch: 40
Nominal Thread Size: 0.112 inches
Material: steel overall
Material Document And Classification: qq-s-633-canc fed spec single material response overall
Surface Treatment: cadmium or zinc 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
5310000503231	Hexagon Self-Locking Nut
N311BQ	Hexagon Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-00-050-3231?

The FSCG of the NSN 5310-00-050-3231 is 5310

Does the NSN 5310-00-050-3231 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-050-3231 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 5310-00-050-3231 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-050-3231 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 5310-00-050-3231 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963