5310-01-143-8503

Find complete technical information, availability, and procurement data for: 5310-01-143-8503
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-143-8503

Item Name Code

15887

Assigment Date

12/09/1982 (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.

round nut style, 2b thread class, 0.065 inches minimum and 0.070 inches maximum nut thickness, 0.323 inches minimum and 0.328 inches maximum nut diameter, right-hand thread direction

Product Characteristics

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

Thread Class: 2b
Thread Direction: right-hand
Nut Style: round
Nut Diameter: 0.323 inches minimum and 0.328 inches maximum
Nut Thickness: 0.065 inches minimum and 0.070 inches maximum
Width Across Flats: 0.280 inches nominal
Thread Series: uns
Thread Quantity Per Inch: 64
Nominal Thread Size: 0.250 inches
Material: nickel alloy 600 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
588.10-100003-001	Round Plain Nut
639AS508	Round Plain Nut

FAQs

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

What is the FSCG of the NSN 5310-01-143-8503?

The FSCG of the NSN 5310-01-143-8503 is 5310

Does the NSN 5310-01-143-8503 have a Schedule B code assigned?

Yes, the Schedule B code is 7508900000

Does NSN 5310-01-143-8503 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 5310-01-143-8503 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-143-8503 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 5310-01-143-8503 was assigned to the Federal Catalog?

It was assigned 43 years ago, on Thu, Dec 9, 1982