5305-00-400-8451

Find complete technical information, availability, and procurement data for: 5305-00-400-8451
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-400-8451

Item Name Code

18257

Assigment Date

11/24/1969 (56 years ago)

hexagon head style, 1.375 inches minimum and 1.562 inches maximum thread length, right-hand thread direction, 2a thread class, 3.156 inches minimum and 3.250 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: 1.375 inches minimum and 1.562 inches maximum
Fastener Length: 3.156 inches minimum and 3.250 inches maximum
Head Style: hexagon
Head Height: 0.348 inches minimum and 0.371 inches maximum
Width Between Flats: 0.798 inches minimum and 0.812 inches maximum
Hole Diameter: 0.094 inches nominal
Nominal Thread Diameter: 0.562 inches
Hole Quantity: 3
Hole Type: drilled
Thread Quantity Per Inch: 12
Minimum Tensile Strength: 150000 pounds per square inch
Hardness Rating: 32.0 rockwell c minimum and 38.0 rockwell c maximum overall
Hole Configuration Style: hexagon longitudinal hole
Surface Finish: 63.0 microinches threads
Material: steel overall
Material Document And Classification: sae gr 8 assn std single material 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
5305004008451	Hexagon Head Cap Screw
596931	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-400-8451?

The FSCG of the NSN 5305-00-400-8451 is 5305

Does the NSN 5305-00-400-8451 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-400-8451 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 5305-00-400-8451 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-400-8451 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 5305-00-400-8451 was assigned to the Federal Catalog?

It was assigned 56 years ago, on Mon, Nov 24, 1969