21AX354

View detailed technical data, stock status, and sourcing information for: 21AX354
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-733-7357

Item Name Code

01857

Assigment Date

01/01/1963 (63 years ago)

hexagon nut style, 3b thread class, 3.375 inches nominal width across flats, 0.625 inches nominal nut height, 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
Nut Style: hexagon
Nut Height: 0.625 inches nominal
Width Across Flats: 3.375 inches nominal
Thread Series: un
Thread Quantity Per Inch: 12
Nominal Thread Size: 2.250 inches
Bearing Surface Type: washer faced
Special Features: groove opposite bearing surface,2.375 in.minor dia by 90.0 deg angle w by 0.188 in.deep
Material: steel comp 1015 or steel comp 1016 or steel comp 1017 or steel comp 1018 or steel comp 1019 or steel comp 1020 or steel comp 1021 or steel comp 1022 or steel comp 1023 or steel comp 1524 or steel comp 1025 or steel comp 1117 overall
Material Document And Classification: astm a108 assn std all material responses 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
21AX354	Hexagon Plain Nut
7337357	Hexagon Plain Nut

FAQs

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

What is the FSCG of the NSN 5310-00-733-7357?

The FSCG of the NSN 5310-00-733-7357 is 5310

Does the NSN 5310-00-733-7357 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-733-7357 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 5310-00-733-7357 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-733-7357 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 5310-00-733-7357 was assigned to the Federal Catalog?

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