820-4530728-1

View detailed technical data, stock status, and sourcing information for: 820-4530728-1
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-158-3880

Item Name Code

13393

Assigment Date

07/22/1983 (43 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.

0.502 inches minimum and 0.515 inches maximum hole diameter, round peripheral shape style, round center hole shape style, 0.937 inches nominal overall diameter, rectangular cross-sectional 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: 0.502 inches minimum and 0.515 inches maximum
Peripheral Shape Style: round
Center Hole Shape Style: round
Overall Diameter: 0.937 inches nominal
Criticality Code Justification: zzzy
Material: steel overall
Material Document And Classification: astm a193,grade b7 assn std single material 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
820-4530728-1	Flat Washer

FAQs

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

What is the FSCG of the NSN 5310-01-158-3880?

The FSCG of the NSN 5310-01-158-3880 is 5310

Does the NSN 5310-01-158-3880 have a Schedule B code assigned?

Yes, the Schedule B code is 7318220000

Does NSN 5310-01-158-3880 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 5310-01-158-3880 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-158-3880 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 5310-01-158-3880 was assigned to the Federal Catalog?

It was assigned 43 years ago, on Fri, Jul 22, 1983