5305-01-253-2997

Find complete technical information, availability, and procurement data for: 5305-01-253-2997
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-253-2997

Item Name Code

18257

Assigment Date

04/16/1987 (39 years ago)

2a thread class, right-hand thread direction, 0.700 inches minimum and 0.720 inches maximum thread length, 2.740 inches minimum and 2.760 inches maximum fastener length, hexagon head style

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: 0.700 inches minimum and 0.720 inches maximum
Fastener Length: 2.740 inches minimum and 2.760 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
Shank Unthreaded Hole Diameter: 0.141 inches nominal first hole
Nominal Thread Diameter: 0.500 inches
Thread Quantity Per Inch: 20
Minimum Tensile Strength: 150000 pounds per square inch
Hardness Rating: 32.0 rockwell c minimum and 38.0 rockwell c maximum overall
Distance From Head Largest Bearing Surface To Shank Hole Center: 2.405 inches minimum and 2.425 inches maximum first hole
Material: steel overall
Material Document And Classification: sae grade 8 assn std all material responses overall
Thread Series Designator: unf

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
12296696-3	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-253-2997?

The FSCG of the NSN 5305-01-253-2997 is 5305

Does the NSN 5305-01-253-2997 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-253-2997 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 5305-01-253-2997 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-253-2997 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 5305-01-253-2997 was assigned to the Federal Catalog?

It was assigned 39 years ago, on Thu, Apr 16, 1987