5310-01-281-0564

Find complete technical information, availability, and procurement data for: 5310-01-281-0564
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-281-0564

Item Name Code

29735

Assigment Date

06/16/1988 (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.

3b thread class, 1.180 inches nominal nut diameter, sleeve nut style, right-hand thread direction, dry film lubricant lubrication

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
Lubrication: dry film lubricant
Nut Style: sleeve
Nut Diameter: 1.180 inches nominal
Nut Length: 0.875 inches nominal
Boss Diameter: 1.160 inches nominal overall
Boss Thickness: 0.500 inches nominal overall
Cross-Sectional Shape: round w/wrench flats nut
Thread Series: uns
Thread Quantity Per Inch: 10
Hardness Rating: 39.0 rockwell c minimum and 43.0 rockwell c maximum
Nominal Thread Size: 0.812 inches
Special Features: color black; end painted red; 1.000 in. across flats; slot,0.200 in. w,0.055 in. dp,one end
Material: steel comp 4340 overall
Surface Treatment: oxide overall
Surface Treatment Document And Classification: mil-c-13924 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
2850787-2	Sleeve Nut

FAQs

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

What is the FSCG of the NSN 5310-01-281-0564?

The FSCG of the NSN 5310-01-281-0564 is 5310

Does the NSN 5310-01-281-0564 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-281-0564 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 5310-01-281-0564 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-281-0564 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 5310-01-281-0564 was assigned to the Federal Catalog?

It was assigned 38 years ago, on Thu, Jun 16, 1988