5305-00-297-0672

Find complete technical information, availability, and procurement data for: 5305-00-297-0672
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-297-0672

Item Name Code

18257

Assigment Date

01/01/1963 (63 years ago)

2.000 inches minimum and 2.250 inches maximum thread length, 2a thread class, right-hand thread direction, 7.812 inches minimum and 8.000 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: 2.000 inches minimum and 2.250 inches maximum
Fastener Length: 7.812 inches minimum and 8.000 inches maximum
Head Style: hexagon
Head Height: 0.455 inches minimum and 0.483 inches maximum
Width Between Flats: 1.100 inches minimum and 1.125 inches maximum
Nominal Thread Diameter: 0.750 inches
Thread Quantity Per Inch: 10
Minimum Tensile Strength: 120000 pounds per square inch
Hardness Rating: 23.0 rockwell c minimum and 30.0 rockwell c maximum overall
Minimum Yield Strength: 85000 pounds per square inch
Material: steel overall
Material Document And Classification: sae gr 5 assn std single material response overall
Surface Treatment: cadmium or zinc overall
Surface Treatment Document And Classification: qq-p-416,ty 1,cl 3 fed spec 1st treatment response or qq-z-325,ty 1,cl 3 fed spec 2nd treatment response 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
598864	Hexagon Head Cap Screw
74001141	Hexagon Head Cap Screw
MB-1.137	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-297-0672?

The FSCG of the NSN 5305-00-297-0672 is 5305

Does the NSN 5305-00-297-0672 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-297-0672 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 5305-00-297-0672 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-297-0672 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 5305-00-297-0672 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963