5310-01-303-3909

Find complete technical information, availability, and procurement data for: 5310-01-303-3909
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-303-3909

Item Name Code

05277

Assigment Date

06/29/1989 (37 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, 0.427 inches minimum and 0.573 inches maximum nut height, 2b thread class, hexagon nut style, right-hand thread direction

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 all metal design
Nut Style: hexagon
Nut Height: 0.427 inches minimum and 0.573 inches maximum
Width Across Flats: 0.736 inches minimum and 0.752 inches maximum
Temp Rating: 250.0 fahrenheit maximum
Thread Series: unf
Thread Quantity Per Inch: 20
Nominal Thread Size: 0.500 inches
Bearing Surface Type: chamfered or washer faced
Bearing Surface Finish: 125.0 microinches
Material: copper alloy 462 or copper alloy 464 nut
Material Document And Classification: astm f467 assn std single material response nut

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
M45913/2-8FBB	Hexagon Self-Locking Nut
MS51922-39	Hexagon Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-01-303-3909?

The FSCG of the NSN 5310-01-303-3909 is 5310

Does the NSN 5310-01-303-3909 have a Schedule B code assigned?

Yes, the Schedule B code is 7415290000

Does NSN 5310-01-303-3909 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 5310-01-303-3909 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-303-3909 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 5310-01-303-3909 was assigned to the Federal Catalog?

It was assigned 37 years ago, on Thu, Jun 29, 1989