5305-00-044-6610

Find complete technical information, availability, and procurement data for: 5305-00-044-6610
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-044-6610

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).

2a thread class, round head style, right-hand thread direction, 0.281 inches minimum and 0.312 inches maximum fastener length, 0.250 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: 0.250 inches maximum
Fastener Length: 0.281 inches minimum and 0.312 inches maximum
Head Style: round
Head Diameter: 0.287 inches minimum and 0.309 inches maximum
Head Height: 0.107 inches minimum and 0.120 inches maximum
Washer Quantity: 1
Internal Drive Style: cross recess type 1
Nominal Thread Diameter: 0.164 inches
Thread Quantity Per Inch: 32
Hardness Rating: 45.0 rockwell c minimum and 53.0 rockwell c maximum overall
Primary Washer Outside Diameter: 0.305 inches minimum and 0.319 inches maximum
Primary Washer Style: split helical ring
Primary Washer Material Thickness: 0.031 inches nominal
Material: steel overall
Material Document And Classification: 1010-1020 assn std 1st material response or 1060 assn std 2nd material response overall
Surface Treatment: cadmium or zinc 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Below is a list of NSNs that have been officially superseded by this NSN: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
5305-00-576-1347	No Name Available	10/01/1979
5305-00-753-4170	No Name Available	06/18/2014
5305-00-771-2819	No Name Available	03/01/1997

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
446610	Assembled Washer Screw
455341	Assembled Washer Screw

FAQs

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

What is the FSCG of the NSN 5305-00-044-6610?

The FSCG of the NSN 5305-00-044-6610 is 5305

Does the NSN 5305-00-044-6610 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-044-6610 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 5305-00-044-6610 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-044-6610 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 5305-00-044-6610 was assigned to the Federal Catalog?

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