5310-01-389-7640

Find complete technical information, availability, and procurement data for: 5310-01-389-7640
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-389-7640

Item Name Code

14218

Assigment Date

05/03/1994 (32 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.

0.156 inches minimum and 0.166 inches maximum material thickness, steel comp 316 overall material, 35.0 rockwell c minimum and 43.0 rockwell c maximum hardness rating, 0.636 inches minimum and 0.653 inches maximum hole diameter, 1.079 inches maximum outside diameter

Product Characteristics

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

Hole Diameter: 0.636 inches minimum and 0.653 inches maximum
Outside Diameter: 1.079 inches maximum
Material Thickness: 0.156 inches minimum and 0.166 inches maximum
Hardness Rating: 35.0 rockwell c minimum and 43.0 rockwell c maximum
Material: steel comp 316 overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: qq-p-35 fed spec single treatment response overall
Style Designator: split helical-right hand
Departure From Cited Document: as modified by material

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
M35338-145	Lock Washer
SPP51-0012	Lock Washer

FAQs

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

What is the FSCG of the NSN 5310-01-389-7640?

The FSCG of the NSN 5310-01-389-7640 is 5310

Does the NSN 5310-01-389-7640 have a Schedule B code assigned?

Yes, the Schedule B code is 7318210000

Does NSN 5310-01-389-7640 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 5310-01-389-7640 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-389-7640 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 5310-01-389-7640 was assigned to the Federal Catalog?

It was assigned 32 years ago, on Tue, May 3, 1994