5305-00-042-4635

Find complete technical information, availability, and procurement data for: 5305-00-042-4635
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-042-4635

Item Name Code

06660

Assigment Date

01/01/1963 (63 years ago)

A screw, (as modified) to which has been assembled one or more nonremovable washer(s).

0.500 inches nominal fastener length, 2a thread class, round head style, right-hand thread direction, 0.370 inches minimum and 0.477 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: 0.370 inches minimum and 0.477 inches maximum
Fastener Length: 0.500 inches nominal
Head Style: round
Head Diameter: 0.443 inches minimum and 0.472 inches maximum
Head Height: 0.160 inches minimum and 0.175 inches maximum
Washer Quantity: 1
Internal Drive Style: cross recess type 1
Nominal Thread Diameter: 0.250 inches
Thread Quantity Per Inch: 28
Hardness Rating: 40.0 rockwell c minimum and 50.0 rockwell c maximum primary washer
Primary Washer Outside Diameter: 0.460 inches minimum and 0.475 inches maximum
Primary Washer Style: flat external teeth
Primary Washer Material Thickness: 0.023 inches minimum and 0.028 inches maximum
Material: steel overall
Material Document And Classification: sae assn std all material responses or aisi assn std all material responses or 66 fed std all material responses overall
Surface Treatment: cadmium or zinc overall
Surface Treatment Document And Classification: qq-p-416,ty 1,cl 3 fed spec 1st treatment response or qq-z-325,ty 1,cl 3 fed spec 2nd treatment response overall
Thread Series Designator: unf

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5305-00-042-4673	No Name Available	05/20/1988
5305-00-989-1366	No Name Available	03/01/1998

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
424635	Assembled Washer Screw

FAQs

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

What is the FSCG of the NSN 5305-00-042-4635?

The FSCG of the NSN 5305-00-042-4635 is 5305

Does the NSN 5305-00-042-4635 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-042-4635 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 5305-00-042-4635 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-042-4635 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 5305-00-042-4635 was assigned to the Federal Catalog?

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