5305-00-494-0326

Find complete technical information, availability, and procurement data for: 5305-00-494-0326
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-494-0326

Item Name Code

06660

Assigment Date

01/01/1963 (63 years ago)

0.625 inches nominal fastener length, right-hand thread direction, hexagon head style, 0.500 inches minimum thread length, 2a 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: 2a
Thread Direction: right-hand
Thread Length: 0.500 inches minimum
Fastener Length: 0.625 inches nominal
Head Style: hexagon
Head Height: 0.181 inches minimum and 0.194 inches maximum
Width Between Flats: 0.428 inches minimum and 0.438 inches maximum
Washer Quantity: 1
Internal Drive Style: slot
Nominal Thread Diameter: 0.250 inches
Thread Quantity Per Inch: 20
Primary Washer Outside Diameter: 0.740 inches minimum and 0.760 inches maximum
Primary Washer Style: flat external and internal teeth
Primary Washer Material Thickness: 0.025 inches nominal
Material: steel comp 1010 fastener
Material: steel primary washer
Material Document And Classification: astm a108 assn std single material response or astm a575 assn std single material response or astm a576 assn std single material response fastener
Surface Treatment: cadmium or lead overall
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Below is a list of NSNs that have been officially superseded by this NSN: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
5305-00-131-7354	No Name Available	05/14/1969

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
10886428	Assembled Washer Screw
957471	Assembled Washer Screw

FAQs

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

What is the FSCG of the NSN 5305-00-494-0326?

The FSCG of the NSN 5305-00-494-0326 is 5305

Does the NSN 5305-00-494-0326 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-494-0326 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 5305-00-494-0326 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-00-494-0326 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 5305-00-494-0326 was assigned to the Federal Catalog?

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