5305-00-637-7911

Find complete technical information, availability, and procurement data for: 5305-00-637-7911
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-637-7911

Item Name Code

06657

Assigment Date

01/01/1963 (63 years ago)

right-hand thread direction, flat chamfer head style, 0.625 inches maximum thread length, 0.625 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: 0.625 inches maximum
Fastener Length: 0.625 inches nominal
Head Style: flat chamfer
Head Diameter: 0.208 inches minimum and 0.226 inches maximum
Head Height: 0.086 inches minimum and 0.096 inches maximum
Internal Drive Style: slot
Nominal Thread Diameter: 0.138 inches
Thread Quantity Per Inch: 32
Screw Material: steel
Screw Material Document And Classification: ams 5061 assn std single material response
Screw Surface Treatment: cadmium
Thread Series Designator: unc

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5305-00-207-2806	No Name Available	01/01/1963

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
328C155D0632C10	Machine Screw
AN116932	Machine Screw
SAE AS116925 THRU AS116960	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-00-637-7911?

The FSCG of the NSN 5305-00-637-7911 is 5305

Does the NSN 5305-00-637-7911 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-637-7911 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 5305-00-637-7911 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-637-7911 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 5305-00-637-7911 was assigned to the Federal Catalog?

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