5305-00-950-4353

Find complete technical information, availability, and procurement data for: 5305-00-950-4353
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-950-4353

Item Name Code

06657

Assigment Date

01/01/1962 (64 years ago)

1.250 inches nominal fastener length, flat countersunk head style, 2a thread class, 1.167 inches minimum and 1.250 inches maximum thread length, right-hand thread direction

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: 1.167 inches minimum and 1.250 inches maximum
Fastener Length: 1.250 inches nominal
Head Style: flat countersunk
Head Diameter: 0.340 inches minimum and 0.385 inches maximum
Internal Drive Style: cross recess type 1
Nominal Thread Diameter: 0.190 inches
Thread Quantity Per Inch: 24
Minimum Tensile Strength: 55000 pounds per square inch
Countersink Angle: 80.0 degrees minimum and 82.0 degrees maximum
Screw Material: steel comp 1010 or steel comp 1011 or steel comp 1013
Screw Material Document And Classification: 66 fed std all material responses
Screw Surface Treatment: cadmium or zinc
Screw Surface Treatment Document And Classification: qq-p-416,ty 2 cl 3 fed spec all treatment responses
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Below is a list of NSNs that have been officially superseded by this NSN: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
5305-00-063-1238	No Name Available	06/16/2023
5305-00-144-3992	No Name Available	03/07/1966
5305-00-156-2801	No Name Available	03/18/1966

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
MS35190-276	Machine Screw
NASM35190	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-00-950-4353?

The FSCG of the NSN 5305-00-950-4353 is 5305

Does the NSN 5305-00-950-4353 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-950-4353 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 5305-00-950-4353 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-00-950-4353 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 5305-00-950-4353 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Mon, Jan 1, 1962