5305-00-252-8656

Find complete technical information, availability, and procurement data for: 5305-00-252-8656
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-252-8656

Item Name Code

18257

Assigment Date

07/25/1969 (56 years ago)

right-hand thread direction, hexagon head style, 3.220 inches minimum and 3.280 inches maximum fastener length, 3a thread class, 1.500 inches minimum 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: 3a
Thread Direction: right-hand
Thread Length: 1.500 inches minimum
Fastener Length: 3.220 inches minimum and 3.280 inches maximum
Head Style: hexagon
Head Height: 0.263 inches minimum and 0.268 inches maximum
Width Between Flats: 0.922 inches minimum and 0.938 inches maximum
Shank Unthreaded Hole Diameter: 0.110 inches minimum and 0.170 inches maximum first hole
Nominal Thread Diameter: 0.625 inches
Thread Quantity Per Inch: 18
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: 2.810 inches minimum and 2.870 inches maximum first hole
Special Features: oval point
Material: steel overall
Material Document And Classification: sae gr 8 assn std single material response 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
11640338	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-252-8656?

The FSCG of the NSN 5305-00-252-8656 is 5305

Does the NSN 5305-00-252-8656 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-252-8656 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 5305-00-252-8656 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-252-8656 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 5305-00-252-8656 was assigned to the Federal Catalog?

It was assigned 56 years ago, on Fri, Jul 25, 1969