5305-00-281-1691

Find complete technical information, availability, and procurement data for: 5305-00-281-1691
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-281-1691

Item Name Code

18257

Assigment Date

01/01/1961 (65 years ago)

right-hand thread direction, 1.125 inches minimum and 1.312 inches maximum thread length, 2a thread class, hexagon head style, 1.500 inches nominal 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: 1.125 inches minimum and 1.312 inches maximum
Fastener Length: 1.500 inches nominal
Head Style: hexagon
Head Height: 0.272 inches minimum and 0.291 inches maximum
Width Between Flats: 0.612 inches minimum and 0.625 inches maximum
Nominal Thread Diameter: 0.438 inches
Thread Quantity Per Inch: 14
Minimum Tensile Strength: 55000 pounds per square inch
Hardness Rating: 95.5 rockwell b minimum and 100.0 rockwell b maximum overall
Minimum Yield Strength: 55000 pounds per square inch
Special Features: second reply minimum tensile strength 69000 lbs per sq in.
Material: steel overall
Material Document And Classification: sae gr 1 or 2 assn std single material response overall
Thread Series Designator: unc

FAQs

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

What is the FSCG of the NSN 5305-00-281-1691?

The FSCG of the NSN 5305-00-281-1691 is 5305

Does the NSN 5305-00-281-1691 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-281-1691 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 5305-00-281-1691 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-281-1691 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 5305-00-281-1691 was assigned to the Federal Catalog?

It was assigned 65 years ago, on Sun, Jan 1, 1961