5305-01-338-4975

Find complete technical information, availability, and procurement data for: 5305-01-338-4975
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-338-4975

Item Name Code

29294

Assigment Date

05/04/1991 (35 years ago)

3a thread class, right-hand thread direction, flat countersunk undercut head style, 0.531 inches nominal thread length, 2.827 inches minimum and 2.859 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: 3a
Thread Direction: right-hand
Thread Length: 0.531 inches nominal
Fastener Length: 2.827 inches minimum and 2.859 inches maximum
Head Style: flat countersunk undercut
Head Diameter: 0.623 inches minimum and 0.633 inches maximum
Head Height: 0.133 inches nominal
Grip Diameter: 0.3112 inches minimum and 0.3117 inches maximum
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.3125 inches
Grip Length: 2.312 inches nominal
Width Across Flats: 0.1885 inches minimum and 0.1905 inches maximum
Thread Quantity Per Inch: 24
Minimum Tensile Strength: 160000 pounds per square inch
Countersink Angle: 100.0 degrees nominal
Material: steel comp 4140 overall
Material Document And Classification: mil-s-5626 mil spec single material response overall
Surface Treatment: cadmium overall
Thread Series Designator: unjf
Specification/Standard Data: 80205-nas335-26 professional/industrial association standard

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
NAS335-26	Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-01-338-4975?

The FSCG of the NSN 5305-01-338-4975 is 5305

Does the NSN 5305-01-338-4975 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-338-4975 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 5305-01-338-4975 contain precious materials?

Precious metal content is unknown

Does NSN 5305-01-338-4975 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 5305-01-338-4975 was assigned to the Federal Catalog?

It was assigned 35 years ago, on Sat, May 4, 1991