5305-01-021-4220

Find complete technical information, availability, and procurement data for: 5305-01-021-4220
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-021-4220

Item Name Code

16282

Assigment Date

05/17/1976 (50 years ago)

flat chamfer head style, 3.600 inches minimum and 3.660 inches maximum fastener length, right-hand thread direction, 2a thread class, 0.720 inches minimum and 0.780 inches maximum thread length

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: 0.720 inches minimum and 0.780 inches maximum
Fastener Length: 3.600 inches minimum and 3.660 inches maximum
Head Style: flat chamfer
Head Diameter: 0.367 inches minimum and 0.383 inches maximum
Head Height: 0.230 inches minimum and 0.270 inches maximum
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.250 inches
Width Across Flats: 0.140 inches minimum and 0.180 inches maximum
Thread Quantity Per Inch: 28
Special Features: knurled head
Material: steel comp 630 overall
Material Document And Classification: ams 5643 assn std single material response overall
Surface Treatment: passivate overall
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
609-6087-001	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-021-4220?

The FSCG of the NSN 5305-01-021-4220 is 5305

Does the NSN 5305-01-021-4220 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-021-4220 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 5305-01-021-4220 contain precious materials?

Precious metal content is unknown

Does NSN 5305-01-021-4220 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 5305-01-021-4220 was assigned to the Federal Catalog?

It was assigned 50 years ago, on Mon, May 17, 1976