5305-00-274-0583

Find complete technical information, availability, and procurement data for: 5305-00-274-0583
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-274-0583

Item Name Code

06657

Assigment Date

01/01/1963 (63 years ago)

3a thread class, right-hand thread direction, round extended washer head style, 1.750 inches nominal fastener length, 0.406 inches minimum 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: 3a
Thread Direction: right-hand
Thread Length: 0.406 inches minimum
Fastener Length: 1.750 inches nominal
Head Style: round extended washer
Head Diameter: 0.437 inches nominal
Head Height: 0.101 inches nominal
Extended Washer Diameter: 0.500 inches nominal
Extended Washer Thickness: 0.028 inches nominal
Internal Drive Style: slot
Nominal Thread Diameter: 0.250 inches
Thread Quantity Per Inch: 28
Minimum Tensile Strength: 125000 pounds per square inch
Hardness Rating: 26.0 rockwell c minimum and 32.0 rockwell c maximum
Screw Material: steel comp 8630 or steel comp 4037
Screw Material Document And Classification: mil-s-6050 mil spec 1st material response or ams 6300 assn std 2nd material response
Screw Surface Treatment: cadmium or zinc
Screw Surface Treatment Document And Classification: qq-p-416 fed spec 1st treatment response or qq-z-325 fed spec 2nd treatment response
Thread Series Designator: uns

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5305-00-167-3643	No Name Available	01/01/1963

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
AN525-416-28	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-00-274-0583?

The FSCG of the NSN 5305-00-274-0583 is 5305

Does the NSN 5305-00-274-0583 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-274-0583 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 5305-00-274-0583 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-00-274-0583 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 5305-00-274-0583 was assigned to the Federal Catalog?

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