5305-00-637-0949

Find complete technical information, availability, and procurement data for: 5305-00-637-0949
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-637-0949

Item Name Code

06657

Assigment Date

01/01/1963 (63 years ago)

1.156 inches nominal fastener length, right-hand thread direction, 0.531 inches minimum thread length, flat countersunk head style, 3a 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: 3a
Thread Direction: right-hand
Thread Length: 0.531 inches minimum
Fastener Length: 1.156 inches nominal
Head Style: flat countersunk
Head Diameter: 0.499 inches nominal
Internal Drive Style: cross recess type 1
Nominal Thread Diameter: 0.250 inches
Thread Quantity Per Inch: 28
Hardness Rating: 28.0 rockwell c nominal
Countersink Angle: 100.0 degrees nominal
Screw Material: iron alloy 660
Screw Material Document And Classification: ams 5735 assn std single material response
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
7S27-416-18	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-00-637-0949?

The FSCG of the NSN 5305-00-637-0949 is 5305

Does the NSN 5305-00-637-0949 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-637-0949 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 5305-00-637-0949 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-637-0949 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 5305-00-637-0949 was assigned to the Federal Catalog?

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