5305-01-021-9901

Find complete technical information, availability, and procurement data for: 5305-01-021-9901
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-021-9901

Item Name Code

06657

Assigment Date

05/24/1976 (50 years ago)

flat countersunk head style, 1.097 inches minimum thread length, 2a thread class, 1.250 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: 1.097 inches minimum
Fastener Length: 1.250 inches nominal
Head Style: flat countersunk
Head Diameter: 0.452 inches minimum and 0.507 inches maximum
Internal Drive Style: slot
Nominal Thread Diameter: 0.250 inches
Thread Quantity Per Inch: 20
Countersink Angle: 81.0 degrees nominal
Screw Material: nickel alloy
Thread Series Designator: unc

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
49M68-33PC49	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-01-021-9901?

The FSCG of the NSN 5305-01-021-9901 is 5305

Does the NSN 5305-01-021-9901 have a Schedule B code assigned?

Yes, the Schedule B code is 7508900000

Does NSN 5305-01-021-9901 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 5305-01-021-9901 contain precious materials?

Precious metal content is unknown

Does NSN 5305-01-021-9901 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 5305-01-021-9901 was assigned to the Federal Catalog?

It was assigned 50 years ago, on Mon, May 24, 1976