5305-00-723-9405

Find complete technical information, availability, and procurement data for: 5305-00-723-9405
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-723-9405

Item Name Code

06657

Assigment Date

01/01/1960 (66 years ago)

2a thread class, right-hand thread direction, 0.156 inches minimum and 0.188 inches maximum fastener length, 0.126 inches minimum and 0.188 inches maximum thread length, flat countersunk undercut head style

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: 0.126 inches minimum and 0.188 inches maximum
Fastener Length: 0.156 inches minimum and 0.188 inches maximum
Head Style: flat countersunk undercut
Head Diameter: 0.292 inches minimum and 0.332 inches maximum
Head Height: 0.058 inches minimum and 0.070 inches maximum
Internal Drive Style: cross recess type 1
Nominal Thread Diameter: 0.164 inches
Thread Quantity Per Inch: 32
Minimum Tensile Strength: 80000 pounds per square inch
Countersink Angle: 80.0 degrees minimum and 82.0 degrees maximum
Screw Material: steel comp 302 or steel comp 303 or steel comp 304 or steel comp 305 or steel comp 316
Screw Material Document And Classification: 66 fed std all material responses
Screw Surface Treatment: passivate
Screw Surface Treatment Document And Classification: qq-p-35 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Below is a list of NSNs that have been officially superseded by this NSN: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
5305-00-022-7127	No Name Available	03/01/1980
5305-00-059-7211	No Name Available	11/20/1968
5305-00-852-9291	No Name Available	07/30/2020

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
MS51959-40	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-00-723-9405?

The FSCG of the NSN 5305-00-723-9405 is 5305

Does the NSN 5305-00-723-9405 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-723-9405 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 5305-00-723-9405 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-723-9405 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 5305-00-723-9405 was assigned to the Federal Catalog?

It was assigned 66 years ago, on Fri, Jan 1, 1960