5305-01-633-9940

Find complete technical information, availability, and procurement data for: 5305-01-633-9940
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-633-9940

Item Name Code

18257

Assigment Date

12/11/2014 (11 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.

hexagon head style, 1.750 inches minimum and 2.250 inches maximum thread length, right-hand thread direction, 5.500 inches nominal fastener length, 2a thread class

Product Characteristics

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

Thread Class: 2a
Thread Direction: right-hand
Thread Length: 1.750 inches minimum and 2.250 inches maximum
Fastener Length: 5.500 inches nominal
Head Style: hexagon
Head Height: 0.469 inches nominal
Width Between Flats: 1.125 inches nominal
End Item Identification: 2590-01-618-5030
Nominal Thread Diameter: 0.750 inches
Thread Quantity Per Inch: 10
Part Name Assigned By Controlling Agency: high strength steel cap screw - grade 8
Special Features: per mcmaster carr; oem not provided
Material: steel overall
Thread Series Designator: unc

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
91286A477	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-633-9940?

The FSCG of the NSN 5305-01-633-9940 is 5305

Does the NSN 5305-01-633-9940 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-633-9940 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 5305-01-633-9940 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-633-9940 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 5305-01-633-9940 was assigned to the Federal Catalog?

It was assigned 11 years ago, on Thu, Dec 11, 2014