5310-00-990-1350

Find complete technical information, availability, and procurement data for: 5310-00-990-1350
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-990-1350

Item Name Code

01854

Assigment Date

01/01/1962 (64 years ago)

2.250 inches nominal width across flats, castellated, hexagon nut style, 0.656 inches nominal nut height, 3b thread class, 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: castellated, hexagon
Nut Height: 0.656 inches nominal
Width Across Flats: 2.250 inches nominal
Thread Series: un
Thread Quantity Per Inch: 16
Nominal Thread Size: 2.000 inches
Bearing Surface Type: chamfered or washer faced
Material: steel comp 4140 or steel comp 8740 overall
Material Document And Classification: aisi assn std 1st material response or sae assn std 1st material response or aisi assn std 2nd material response or sae assn std 2nd material response overall
Surface Treatment: cadmium overall

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5310-00-268-6037	No Name Available	11/13/1972
5310-00-990-0868	No Name Available	06/20/1966

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
10121923	Nut,plain,castellated,hexagon
5310PL1937911	Nut,plain,castellated,hexagon
AN7502-32	Nut,plain,castellated,hexagon
MS21025-32	Nut,plain,castellated,hexagon

FAQs

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

What is the FSCG of the NSN 5310-00-990-1350?

The FSCG of the NSN 5310-00-990-1350 is 5310

Does the NSN 5310-00-990-1350 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-990-1350 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 5310-00-990-1350 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-990-1350 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 5310-00-990-1350 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Mon, Jan 1, 1962