5310-00-017-5121

Find complete technical information, availability, and procurement data for: 5310-00-017-5121
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-017-5121

Item Name Code

05277

Assigment Date

05/15/1968 (58 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.

3b thread class, 0.329 inches minimum and 0.359 inches maximum nut height, hexagon nut style, prevailing torque all metal design locking feature, 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: 3b
Thread Direction: right-hand
Locking Feature: prevailing torque all metal design
Nut Style: hexagon
Nut Height: 0.329 inches minimum and 0.359 inches maximum
Width Across Flats: 0.492 inches minimum and 0.502 inches maximum
Temp Rating: 250.0 fahrenheit nominal
Thread Series: unjc
Thread Quantity Per Inch: 18
Nominal Thread Size: 0.313 inches
Bearing Surface Type: chamfered
Bearing Surface Finish: 125.0 microinches
Material: steel comp 1212 nut
Material Document And Classification: ams 5010 assn std single material response nut
Material Document And Classification: mil-m-20693 mil spec all material responses locking insert
Surface Treatment: zinc overall except insert
Surface Treatment Document And Classification: astm b633 assn std single treatment response overall except insert

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5310-00-093-6987	No Name Available	03/01/1978
5310-00-158-5280	No Name Available	01/01/1990

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
131-69	Hexagon Self-Locking Nut
21NE058	Hexagon Self-Locking Nut
2533408PC14	Hexagon Self-Locking Nut
804412	Hexagon Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-00-017-5121?

The FSCG of the NSN 5310-00-017-5121 is 5310

Does the NSN 5310-00-017-5121 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-017-5121 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 5310-00-017-5121 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-017-5121 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 5310-00-017-5121 was assigned to the Federal Catalog?

It was assigned 58 years ago, on Wed, May 15, 1968