5305-00-638-5998

Find complete technical information, availability, and procurement data for: 5305-00-638-5998
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-638-5998

Item Name Code

06672

Assigment Date

01/01/1963 (63 years ago)

A washer, round in shape, and having a centrally located hole. One bearing surface is flat and unbroken, the other surface is in the form of a raised shoulder (boss) having a flat bearing surface. The thickness of the shoulder (boss) must not exceed 25 percent of the shoulder (boss) diameter. For items having a shoulder (boss) of greater thickness, use bearing, sleeve; bushing sleeve; or spacer, sleeve. Excludes:insulator, washer and thrust type washers.

headless (setscrew) head style, 0.625 inches maximum thread length, 2a thread class, 0.703 inches nominal fastener length, 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: 2a
Thread Direction: right-hand
Thread Length: 0.625 inches maximum
Fastener Length: 0.703 inches nominal
Head Style: headless (setscrew)
Point Length: 0.125 inches nominal
Point Style: ball
Internal Drive Style: slot
Nominal Thread Diameter: 0.190 inches
Thread Quantity Per Inch: 32
Material Document And Classification: mil-s-7720 mil spec all material responses overall
Thread Series Designator: unf

FAQs

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

What is the FSCG of the NSN 5305-00-638-5998?

The FSCG of the NSN 5305-00-638-5998 is 5305

Does NSN 5305-00-638-5998 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 5305-00-638-5998 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-638-5998 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 5305-00-638-5998 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963