5305-01-283-3590

Find complete technical information, availability, and procurement data for: 5305-01-283-3590
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-283-3590

Item Name Code

18257

Assigment Date

08/03/1988 (37 years ago)

right-hand thread direction, hexagon head style, 2a thread class, 0.875 inches minimum thread length, 2.940 inches minimum and 3.040 inches maximum fastener 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: 0.875 inches minimum
Fastener Length: 2.940 inches minimum and 3.040 inches maximum
Head Style: hexagon
Head Height: 0.195 inches minimum and 0.235 inches maximum
Width Between Flats: 0.484 inches minimum and 0.500 inches maximum
Nominal Thread Diameter: 0.312 inches
Features Provided: finished head
Thread Quantity Per Inch: 18
Minimum Tensile Strength: 120000 pounds per square inch
Hardness Rating: 23.0 rockwell c minimum and 34.0 rockwell c maximum overall
Minimum Yield Strength: 92000 pounds per square inch
Part Name Assigned By Controlling Agency: hex bolt
Material: steel overall
Material Document And Classification: mil-dtl-1222, grade 5 mil std single material response overall
Surface Treatment: zinc overall
Surface Treatment Document And Classification: astm b633, type ii assn std single treatment response overall
Thread Series Designator: unc
Nondefinitive Spec/Std Data: 1 type

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
5/16-18UNC-2A X 3 IN LG ZINC	Hexagon Head Cap Screw
M1222RN5C248GFNZE	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-283-3590?

The FSCG of the NSN 5305-01-283-3590 is 5305

Does the NSN 5305-01-283-3590 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-283-3590 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 5305-01-283-3590 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-283-3590 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 5305-01-283-3590 was assigned to the Federal Catalog?

It was assigned 37 years ago, on Wed, Aug 3, 1988