5305-00-959-7076

Find complete technical information, availability, and procurement data for: 5305-00-959-7076
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-959-7076

Item Name Code

18257

Assigment Date

05/25/1966 (60 years ago)

hexagon head style, 3.108 inches minimum thread length, 4.812 inches minimum and 5.000 inches maximum fastener length, right-hand thread direction, 2a thread class

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: 3.108 inches minimum
Fastener Length: 4.812 inches minimum and 5.000 inches maximum
Head Style: hexagon
Head Height: 0.749 inches minimum and 0.813 inches maximum
Width Between Flats: 1.812 inches minimum and 1.875 inches maximum
Nominal Thread Diameter: 1.250 inches
Thread Quantity Per Inch: 7
Minimum Tensile Strength: 105000 pounds per square inch
Hardness Rating: 19.0 rockwell c minimum and 30.0 rockwell c maximum overall
Surface Finish: 63.0 microinches threads
Material: steel overall
Material Document And Classification: sae gr 5 assn std single material response overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416,ty 2,cl 3 fed spec single treatment response overall
Thread Series Designator: unc
Nondefinitive Spec/Std Data: 2 type and 10p style and 5 grade

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5305-00-266-6266	No Name Available	01/16/1967
5305-00-577-5610	No Name Available	11/15/1967
5305-00-638-9066	No Name Available	09/07/2022

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
MS90725-281	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-959-7076?

The FSCG of the NSN 5305-00-959-7076 is 5305

Does the NSN 5305-00-959-7076 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-959-7076 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 5305-00-959-7076 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-959-7076 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 5305-00-959-7076 was assigned to the Federal Catalog?

It was assigned 60 years ago, on Wed, May 25, 1966