5305-00-579-5851

Find complete technical information, availability, and procurement data for: 5305-00-579-5851
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-579-5851

Item Name Code

06657

Assigment Date

01/01/1963 (63 years ago)

2a thread class, 0.375 inches nominal fastener length, round head style, right-hand thread direction, 0.325 inches minimum and 0.375 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: 0.325 inches minimum and 0.375 inches maximum
Fastener Length: 0.375 inches nominal
Head Style: round
Head Diameter: 0.193 inches minimum and 0.211 inches maximum
Head Height: 0.086 inches maximum
Internal Drive Style: cross recess type 1
Nominal Thread Diameter: 0.112 inches
Thread Quantity Per Inch: 40
Minimum Tensile Strength: 55000 pounds per square inch
Screw Material: steel or steel comp 1010
Screw Material Document And Classification: qq-s-630 fed spec 2nd material response or qq-s-631 fed spec 2nd material response or qq-s-634 fed spec 2nd material response
Screw Surface Treatment: cadmium
Screw Surface Treatment Document And Classification: qq-p-416,ty 1,cl 3 fed spec single treatment response
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Below is a list of NSNs that have been officially superseded by this NSN: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
5305-00-207-1548	No Name Available	01/01/1963
5305-00-600-4529	No Name Available	01/01/1960

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
1027301-4-6	Machine Screw
4177310-087	Machine Screw
7S4-4-6	Machine Screw
80881F	Machine Screw
8528161	Machine Screw
AN515-4R6	Machine Screw
S422-4-6	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-00-579-5851?

The FSCG of the NSN 5305-00-579-5851 is 5305

Does the NSN 5305-00-579-5851 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-579-5851 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 5305-00-579-5851 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-579-5851 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 5305-00-579-5851 was assigned to the Federal Catalog?

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