5305-00-638-4775

Find complete technical information, availability, and procurement data for: 5305-00-638-4775
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-638-4775

Item Name Code

18257

Assigment Date

01/01/1963 (63 years ago)

right-hand thread direction, 3.875 inches nominal fastener length, 0.875 inches minimum and 1.062 inches maximum thread length, hexagon head style, 2a thread class

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: 0.875 inches minimum and 1.062 inches maximum
Fastener Length: 3.875 inches nominal
Head Style: hexagon
Head Height: 0.195 inches minimum and 0.211 inches maximum
Width Between Flats: 0.489 inches minimum and 0.500 inches maximum
Nominal Thread Diameter: 0.312 inches
Thread Quantity Per Inch: 24
Minimum Tensile Strength: 150000 pounds per square inch
Hardness Rating: 32.0 rockwell c minimum and 38.0 rockwell c maximum overall
Material: steel overall
Surface Treatment: cadmium or zinc overall
Thread Series Designator: unf
Nondefinitive Spec/Std Data: 1 type and 8 grade

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
M1222RN5F250GHNZE	Hexagon Head Cap Screw
M1222RN5F262GHNZE	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-638-4775?

The FSCG of the NSN 5305-00-638-4775 is 5305

Does the NSN 5305-00-638-4775 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-638-4775 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 5305-00-638-4775 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-638-4775 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 5305-00-638-4775 was assigned to the Federal Catalog?

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