5305-01-160-0557

Find complete technical information, availability, and procurement data for: 5305-01-160-0557
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-160-0557

Item Name Code

18257

Assigment Date

08/17/1983 (43 years ago)

hexagon head style, 2a thread class, right-hand thread direction, 1.438 inches minimum and 1.500 inches maximum fastener length, 1.250 inches nominal 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: 1.250 inches nominal
Fastener Length: 1.438 inches minimum and 1.500 inches maximum
Head Style: hexagon
Head Height: 0.302 inches minimum and 0.323 inches maximum
Width Between Flats: 0.736 inches minimum and 0.750 inches maximum
Nominal Thread Diameter: 0.500 inches
Thread Quantity Per Inch: 13
Minimum Tensile Strength: 11300 pounds per square inch
Hardness Rating: 80.0 rockwell b nominal overall
Material: steel comp 301 overall
Material Document And Classification: 66 fed std all material responses overall
Surface Treatment: paint overall
Surface Treatment Document And Classification: 13924 mil spec all treatment responses overall
Thread Series Designator: unc

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
SM-C-807952	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-160-0557?

The FSCG of the NSN 5305-01-160-0557 is 5305

Does the NSN 5305-01-160-0557 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-160-0557 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 5305-01-160-0557 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-160-0557 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 5305-01-160-0557 was assigned to the Federal Catalog?

It was assigned 43 years ago, on Wed, Aug 17, 1983