5310-01-264-1642

Find complete technical information, availability, and procurement data for: 5310-01-264-1642
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-264-1642

Item Name Code

15887

Assigment Date

09/26/1987 (38 years ago)

A washer having a centrally located hole with a solid or laminated cross-section and two flat parallel bearing surfaces. The hole must be 75 percent or less than the largest dimension and the bearing surface finish is greater than 32 microinch (0.8 micrometer). The thickness cannot exceed 25 percent of the largest outside dimension. When the largest outside dimension is less than 1/4 inch or 6mm, the thickness must be 0.006 inches (0.15mm) or greater and for items 1/4 inch (6mm) or larger, the thickness must be 0.016 inches (0.4mm) or greater. The maximum tolerance is applied to dimensions and used as a determining factor. Items with separable lamination use shim. For items fabricated from ceramic or electrically rated materials by specification or industry standards use insulator (1), washer. Excludes:disk, valve, graphite impregnated and lubricated items.

32 thread quantity per inch, 2b thread class, unef thread series, 0.625 inches nominal nut diameter, 0.150 inches minimum and 0.155 inches maximum nut thickness

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
Nut Diameter: 0.625 inches nominal
Nut Thickness: 0.150 inches minimum and 0.155 inches maximum
Thread Series: unef
Thread Quantity Per Inch: 32
Nominal Thread Size: 0.375 inches
Part Name Assigned By Controlling Agency: navy special project
Material: steel comp 1212 or steel comp 1213 or steel comp 1117 overall
Material Document And Classification: astm a108 assn std all material responses overall
Surface Treatment: oxide overall
Surface Treatment Document And Classification: mil-f-13924,cl 1,gr a mil spec single treatment response 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
121901-01	Round Plain Nut

FAQs

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

What is the FSCG of the NSN 5310-01-264-1642?

The FSCG of the NSN 5310-01-264-1642 is 5310

Does the NSN 5310-01-264-1642 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-264-1642 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 5310-01-264-1642 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-264-1642 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 5310-01-264-1642 was assigned to the Federal Catalog?

It was assigned 38 years ago, on Sat, Sep 26, 1987