5310-00-275-6604

Find complete technical information, availability, and procurement data for: 5310-00-275-6604
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-275-6604

Item Name Code

13393

Assigment Date

01/01/1963 (63 years ago)

A circular-shaped item designed to maintain predetermined distance between assembled parts and/or for distributing pressure or preventing endwise movement between member parts. It has a solid cross-section and two flat parallel bearing surfaces. The distance between the bearing surfaces perpendicular to the axis of the centrally located hole shall not exceed 25 percent of the outside diameter. The diameter of the centrally located hole must exceed 75 percent of the outside diameter. Excludes:laminated items. For items manufactured from impregnated graphite or lubricated nonmetallic materials, excluding felt or plastics, see gasket. For items manufactured from lubricated plastics, see bearing, washer, thrust. For items manufactured from lubricated felt, see felt, mechanical, preformed. Excludes:disk, valve; insulator washer; and shim. See also spacer, plate and spacer, sleeve.

0.469 inches nominal hole diameter, round center hole shape style, round peripheral shape style, rectangular cross-sectional shape style, 0.062 inches nominal thickness

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Cross-Sectional Shape Style: rectangular
Hole Diameter: 0.469 inches nominal
Peripheral Shape Style: round
Center Hole Shape Style: round
Thickness: 0.062 inches nominal
Overall Diameter: 0.750 inches nominal
Material: copper overall

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5310-00-194-0845	Flat Washer	07/01/2025
5310-00-999-2483	No Name Available	04/01/1986
5310-01-103-9373	No Name Available	02/01/1992

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
5-11-1227-29-10	Flat Washer
W4207	Flat Washer

FAQs

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

What is the FSCG of the NSN 5310-00-275-6604?

The FSCG of the NSN 5310-00-275-6604 is 5310

Does the NSN 5310-00-275-6604 have a Schedule B code assigned?

Yes, the Schedule B code is 7415210000

Does NSN 5310-00-275-6604 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 5310-00-275-6604 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-00-275-6604 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 5310-00-275-6604 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963