204-040-509-1

View detailed technical data, stock status, and sourcing information for: 204-040-509-1
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-479-0267

Item Name Code

13393

Assigment Date

02/09/1970 (56 years ago)

A circular shaped item with an aperture manufactured to predetermined dimensions and designed for use as a seal in stuffing boxes, packing nuts, and the like. It may be (1) any nonmetallic molded or formed ring (except solid (without joint) rings having a square or rectangular cross section); or (2) any shredded metal or metal foil type metallic or semimetallic rings. Excludes:felt items but includes multimaterial items in which one of the materials is felt. For solid (without joints) nonmetallic items with a square or rectangular cross section, see washer (as modified) and gasket. For rubber items specifically designed for weather-proofing doors, windows, chests, and the like see seal, nonmetallic angle; seal, nonmetallic channel; and seal, nonmetallic, special shaped section. For circular (with aperature) nonmetallic items with a solid round cross-section see o-ring. Excludes:cup, compression; gasket; washer (as modified); and felt, mechanical, preformed.

0.115 inches minimum and 0.135 inches maximum hole diameter, round center hole shape style, 0.021 inches minimum and 0.041 inches maximum thickness, rectangular cross-sectional shape style, round peripheral shape style

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: 0.115 inches minimum and 0.135 inches maximum
Peripheral Shape Style: round
Center Hole Shape Style: round
Thickness: 0.021 inches minimum and 0.041 inches maximum
Overall Diameter: 0.530 inches minimum and 0.550 inches maximum
Minimum Tensile Strength: 1000 pounds per square inch

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
204-040-509-001	Flat Washer
204-040-509-1	Flat Washer

FAQs

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

What is the FSCG of the NSN 5310-00-479-0267?

The FSCG of the NSN 5310-00-479-0267 is 5310

Does NSN 5310-00-479-0267 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 5310-00-479-0267 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-479-0267 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 5310-00-479-0267 was assigned to the Federal Catalog?

It was assigned 56 years ago, on Mon, Feb 9, 1970