5305-00-543-5821

Find complete technical information, availability, and procurement data for: 5305-00-543-5821
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-543-5821

Item Name Code

06657

Assigment Date

01/01/1963 (63 years ago)

2a thread class, 0.250 inches maximum thread length, right-hand thread direction, round head style, 0.250 inches nominal fastener 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: 0.250 inches maximum
Fastener Length: 0.250 inches nominal
Head Style: round
Head Diameter: 0.146 inches minimum and 0.162 inches maximum
Head Height: 0.069 inches nominal
Internal Drive Style: cross recess type 1
Nominal Thread Diameter: 0.086 inches
Thread Quantity Per Inch: 56
Screw Material: steel comp 302 or steel comp 304 or steel comp 321
Screw Surface Treatment: passivate
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Below is a list of NSNs that have been officially superseded by this NSN: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
5305-00-207-1546	No Name Available	01/01/1960
5305-00-639-2859	No Name Available	08/15/1966

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
1JA3488-13	Machine Screw
4SP949R98	Machine Screw
AN515C2-4	Machine Screw
HSP949R98	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-00-543-5821?

The FSCG of the NSN 5305-00-543-5821 is 5305

Does the NSN 5305-00-543-5821 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-543-5821 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 5305-00-543-5821 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-543-5821 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 5305-00-543-5821 was assigned to the Federal Catalog?

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