5305-00-637-7079

Find complete technical information, availability, and procurement data for: 5305-00-637-7079
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-637-7079

Item Name Code

06657

Assigment Date

01/01/1963 (63 years ago)

0.250 inches nominal thread length, right-hand thread direction, 0.250 inches nominal fastener length, 2a thread class, pan no. 2 head style

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: 0.250 inches nominal
Fastener Length: 0.250 inches nominal
Head Style: pan no. 2
Head Diameter: 0.256 inches minimum and 0.270 inches maximum
Head Height: 0.072 inches minimum and 0.082 inches maximum
Internal Drive Style: slot
Nominal Thread Diameter: 0.138 inches
Thread Quantity Per Inch: 32
Screw Material: steel
Screw Surface Treatment: cadmium and chromate
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Below is a list of NSNs that have been officially superseded by this NSN: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
5305-00-558-2877	No Name Available	01/01/1963
5305-00-614-0276	No Name Available	01/01/1963
5305-00-638-8134	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
300-2103	Machine Screw
5305006377079	Machine Screw
5952100	Machine Screw
MS35223-26	Machine Screw
SM-B-447348-1	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-00-637-7079?

The FSCG of the NSN 5305-00-637-7079 is 5305

Does the NSN 5305-00-637-7079 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-637-7079 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 5305-00-637-7079 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-637-7079 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 5305-00-637-7079 was assigned to the Federal Catalog?

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