5310-01-031-2124

Find complete technical information, availability, and procurement data for: 5310-01-031-2124
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-031-2124

Item Name Code

01857

Assigment Date

11/20/1976 (49 years ago)

2b thread class, 1.187 inches minimum and 1.251 inches maximum nut height, 1.938 inches minimum and 2.000 inches maximum width across flats, 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
Nut Style: hexagon
Nut Height: 1.187 inches minimum and 1.251 inches maximum
Width Across Flats: 1.938 inches minimum and 2.000 inches maximum
Thread Series: unc
Thread Quantity Per Inch: 7
Hardness Rating: 24.0 rockwell c minimum and 32.0 rockwell c maximum
Nominal Thread Size: 1.250 inches
Criticality Code Justification: zzzx
Bearing Surface Type: washer faced
Material: steel overall
Nondefinitive Spec/Std Data: 3 type and 4 grade
Departure From Cited Designator: quality control in accordance with navships 0948-045-7010 material identification and control instruction for level 1 items

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
6440-309 PIECE F121	Hexagon Plain Nut
6440-309 PIECE F121L1	Hexagon Plain Nut

FAQs

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

What is the FSCG of the NSN 5310-01-031-2124?

The FSCG of the NSN 5310-01-031-2124 is 5310

Does the NSN 5310-01-031-2124 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-031-2124 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 5310-01-031-2124 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-031-2124 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 5310-01-031-2124 was assigned to the Federal Catalog?

It was assigned 49 years ago, on Sat, Nov 20, 1976