5305-01-684-9986

Find complete technical information, availability, and procurement data for: 5305-01-684-9986
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-684-9986

Item Name Code

18257

Assigment Date

11/22/2019 (6 years ago)

A pliable rubber or composition ring-shaped element, split or jointless (solid) not encased in a metal shell, but having a spring, spreader and/or molded-in reinforcement. It is designed to be pressmounted between fixed and movable or moving parts to form a tight and effective seal.

hexagon head style, 0.625 inches nominal width between flats, 0.643 inches nominal thread length, right-hand thread direction, 0.750 inches nominal fastener length

Product Characteristics

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

Thread Direction: right-hand
Thread Length: 0.643 inches nominal
Fastener Length: 0.750 inches nominal
Head Style: hexagon
Width Between Flats: 0.625 inches nominal
End Item Identification: 01-669-0331
Nominal Thread Diameter: 0.4375 inches
Thread Quantity Per Inch: 20
Part Name Assigned By Controlling Agency: screw, hex head, grade 8, unf
Material: steel uns k04100 or steel overall
Material Document And Classification: astm a354 american society for testing and materials (astm) 1st material response or sae j429 assn std 2nd material response overall
Thread Series Designator: unf

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
12578606	Hexagon Head Cap Screw
12578606-044075	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-684-9986?

The FSCG of the NSN 5305-01-684-9986 is 5305

Does the NSN 5305-01-684-9986 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-684-9986 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 5305-01-684-9986 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-684-9986 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 5305-01-684-9986 was assigned to the Federal Catalog?

It was assigned 6 years ago, on Fri, Nov 22, 2019