5305-00-959-7090

Find complete technical information, availability, and procurement data for: 5305-00-959-7090
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-959-7090

Item Name Code

18257

Assigment Date

05/25/1966 (60 years ago)

2a thread class, 2.812 inches minimum and 3.000 inches maximum fastener length, right-hand thread direction, hexagon head style, 2.231 inches minimum and 3.000 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: 2.231 inches minimum and 3.000 inches maximum
Fastener Length: 2.812 inches minimum and 3.000 inches maximum
Head Style: hexagon
Head Height: 0.902 inches minimum and 0.974 inches maximum
Width Between Flats: 2.175 inches minimum and 2.250 inches maximum
Nominal Thread Diameter: 1.500 inches
Thread Quantity Per Inch: 6
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Below is a list of NSNs that have been officially superseded by this NSN: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
5305-00-577-5613	No Name Available	09/08/1967

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
MS90725-308	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-959-7090?

The FSCG of the NSN 5305-00-959-7090 is 5305

Does the NSN 5305-00-959-7090 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-959-7090 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 5305-00-959-7090 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-959-7090 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 5305-00-959-7090 was assigned to the Federal Catalog?

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