5305-00-042-5571

Find complete technical information, availability, and procurement data for: 5305-00-042-5571
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-042-5571

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).

right-hand thread direction, hexagon head style, 0.844 inches minimum and 0.875 inches maximum fastener length, 2a thread class, 0.782 inches minimum and 0.844 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: 0.782 inches minimum and 0.844 inches maximum
Fastener Length: 0.844 inches minimum and 0.875 inches maximum
Head Style: hexagon
Head Height: 0.105 inches minimum and 0.120 inches maximum
Width Between Flats: 0.305 inches minimum and 0.312 inches maximum
Washer Quantity: 1
Internal Drive Style: slot
Nominal Thread Diameter: 0.190 inches
Thread Quantity Per Inch: 32
Primary Washer Outside Diameter: 0.365 inches minimum and 0.381 inches maximum
Primary Washer Style: flat external teeth
Primary Washer Material Thickness: 0.020 inches minimum and 0.025 inches maximum
Material: steel comp 1010 or steel comp 1020 or steel comp 1050 overall
Material Document And Classification: sae assn 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Below is a list of NSNs that have been officially superseded by this NSN: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
5306-00-815-3514	No Name Available	05/16/1969

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
425571	Assembled Washer Screw
A9419-14	Assembled Washer Screw

FAQs

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

What is the FSCG of the NSN 5305-00-042-5571?

The FSCG of the NSN 5305-00-042-5571 is 5305

Does the NSN 5305-00-042-5571 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-042-5571 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 5305-00-042-5571 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-042-5571 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 5305-00-042-5571 was assigned to the Federal Catalog?

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