5310-01-349-6178

Find complete technical information, availability, and procurement data for: 5310-01-349-6178
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-349-6178

Item Name Code

15938

Assigment Date

11/30/1991 (34 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.

45.0 rockwell c minimum and 52.0 rockwell c maximum hardness rating, 0.028 inches minimum and 0.038 inches maximum overall height, 0.121 inches minimum and 0.131 inches maximum hole diameter, 0.260 inches minimum and 0.280 inches maximum outside diameter, 0.019 inches minimum and 0.029 inches maximum material thickness

Product Characteristics

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

Hole Diameter: 0.121 inches minimum and 0.131 inches maximum
Outside Diameter: 0.260 inches minimum and 0.280 inches maximum
Overall Height: 0.028 inches minimum and 0.038 inches maximum
Material Thickness: 0.019 inches minimum and 0.029 inches maximum
Hardness Rating: 45.0 rockwell c minimum and 52.0 rockwell c maximum
Material: steel comp 1074 overall
Material Document And Classification: astm a682 assn std single material response overall
Surface Treatment: tin overall
Surface Treatment Document And Classification: astm b545 assn std single treatment response overall
Style Designator: spring tension

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
A3153855	Spring Tension Washer

FAQs

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

What is the FSCG of the NSN 5310-01-349-6178?

The FSCG of the NSN 5310-01-349-6178 is 5310

Does the NSN 5310-01-349-6178 have a Schedule B code assigned?

Yes, the Schedule B code is 7318210000

Does NSN 5310-01-349-6178 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 5310-01-349-6178 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-349-6178 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 5310-01-349-6178 was assigned to the Federal Catalog?

It was assigned 34 years ago, on Sat, Nov 30, 1991