5305-00-959-6996

Find complete technical information, availability, and procurement data for: 5305-00-959-6996
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-959-6996

Item Name Code

18257

Assigment Date

05/25/1966 (60 years ago)

right-hand thread direction, 2.000 inches minimum and 2.500 inches maximum thread length, 2.500 inches nominal fastener length, hexagon head style, 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: 2.000 inches minimum and 2.500 inches maximum
Fastener Length: 2.500 inches nominal
Head Style: hexagon
Head Height: 0.658 inches minimum and 0.718 inches maximum
Width Between Flats: 1.631 inches minimum and 1.688 inches maximum
Nominal Thread Diameter: 1.125 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
Minimum Yield Strength: 74000 pounds per square inch
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 2 fed spec single treatment response overall
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Below is a list of NSNs that have been officially superseded by this NSN: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
5305-00-577-5599	No Name Available	01/16/1967

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
MS90725-252	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-959-6996?

The FSCG of the NSN 5305-00-959-6996 is 5305

Does the NSN 5305-00-959-6996 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-959-6996 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 5305-00-959-6996 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-959-6996 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 5305-00-959-6996 was assigned to the Federal Catalog?

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