5310-01-212-5689

Find complete technical information, availability, and procurement data for: 5310-01-212-5689
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-212-5689

Item Name Code

01857

Assigment Date

07/14/1985 (41 years ago)

1.310 inches minimum and 1.378 inches maximum nut height, 2.119 inches minimum and 2.188 inches maximum width across flats, 2b thread class, 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: 1.310 inches minimum and 1.378 inches maximum
Width Across Flats: 2.119 inches minimum and 2.188 inches maximum
Thread Series: un
Thread Quantity Per Inch: 8
Hardness Rating: 24.0 rockwell c minimum and 38.0 rockwell c maximum
Nominal Thread Size: 1.375 inches
Criticality Code Justification: zzzy
Bearing Surface Type: washer faced
Special Features: for additional description and information concerning this item,refer to spccinst 4440.376 series,chapter 9
Material: steel overall
Surface Treatment: phosphate overall
Surface Treatment Document And Classification: mil-p-16232 mil spec single treatment response overall
Reference Number Differentiating Characteristics: material will be in accordance with ships parts control center activity hx quality control,manufacturing and testing specifications

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
1.375-008UN-2B LEVEL 1	Hexagon Plain Nut

FAQs

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

What is the FSCG of the NSN 5310-01-212-5689?

The FSCG of the NSN 5310-01-212-5689 is 5310

Does the NSN 5310-01-212-5689 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-212-5689 require demilitarization?

Usml or ccl military items - demil required. Item managers,, equipment specialists, or product specialists must furnish special demilinstructions. (note 3).

Does NSN 5310-01-212-5689 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-212-5689 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 5310-01-212-5689 was assigned to the Federal Catalog?

It was assigned 41 years ago, on Sun, Jul 14, 1985