999-4213-B-05-2 4

View detailed technical data, stock status, and sourcing information for: 999-4213-B-05-2 4
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-319-2126

Item Name Code

05275

Assigment Date

05/03/1990 (36 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.

prevailing torque all metal design locking feature, cap nut style, 3b thread class, unc thread series, 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: cap
Thread Series: unc
Thread Quantity Per Inch: 13
Nominal Thread Size: 0.500 inches
Bearing Surface Type: chamfered
Material: nickel alloy r-405 or nickel alloy 400 overall
Material Document And Classification: qq-n-281,cl b fed spec 1st material response or qq-n-281,cl a fed spec 2nd material response nut

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5310-01-004-6363	No Name Available	09/01/1997
5310-01-319-4846	No Name Available	08/01/2016
5310-01-366-3555	No Name Available	06/01/2012

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
781-0500-320	Cap Self-Locking Nut
999-4213-B-05-2 4	Cap Self-Locking Nut
D-NDS-0-99-019 ITEM 34	Cap Self-Locking Nut
D-NDS-0-99-020 ITEM 19	Cap Self-Locking Nut
D-NDS-0-99-025 PIECE 17	Cap Self-Locking Nut
D04N0-99-010PC15	Cap Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-01-319-2126?

The FSCG of the NSN 5310-01-319-2126 is 5310

Does the NSN 5310-01-319-2126 have a Schedule B code assigned?

Yes, the Schedule B code is 7508900000

Does NSN 5310-01-319-2126 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 5310-01-319-2126 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-319-2126 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 5310-01-319-2126 was assigned to the Federal Catalog?

It was assigned 36 years ago, on Thu, May 3, 1990