5310-01-271-8399

Find complete technical information, availability, and procurement data for: 5310-01-271-8399
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-271-8399

Item Name Code

05277

Assigment Date

01/31/1988 (38 years ago)

A nut, round in shape, having all or part of its outer surface knurled. It may have provisions for external wrenching. For items having a thickness (or height) exceeding two times the outside diameter, use post, electrical-mechanical equipment. See also nut (1), plain, round. (when height or thickness, and/or outside diameter is designated as a tolerance dimension, the maximum dimension will be used to determine compliance).

prevailing torque all metal design locking feature, right-hand thread direction, 0.240 inches minimum and 0.260 inches maximum nut height, hexagon nut style, 3b 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: 3b
Thread Direction: right-hand
Locking Feature: prevailing torque all metal design
Nut Style: hexagon
Nut Height: 0.240 inches minimum and 0.260 inches maximum
Width Across Flats: 1.250 inches nominal
Thread Series: uns
Thread Quantity Per Inch: 32
Nominal Thread Size: 0.969 inches
Bearing Surface Type: chamfered or washer faced
Material: steel comp 303 overall
Material Document And Classification: astm a582,cond a assn std single material response overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: qq-p-35,ty 4 fed spec single treatment response 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
5905578	Hexagon Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-01-271-8399?

The FSCG of the NSN 5310-01-271-8399 is 5310

Does the NSN 5310-01-271-8399 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-271-8399 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 5310-01-271-8399 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-271-8399 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 5310-01-271-8399 was assigned to the Federal Catalog?

It was assigned 38 years ago, on Sun, Jan 31, 1988