5305-00-331-5256

Find complete technical information, availability, and procurement data for: 5305-00-331-5256
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-331-5256

Item Name Code

06672

Assigment Date

01/01/1963 (63 years ago)

An internally threaded item with a cylindrical and/or square, hexagonal, octagonal, or dodecagonal outer periphery (parallel to the threaded axis) a portion(s) of which may or may not be enlarged, forming a flange(s) and/or shoulder(s). Items not having an enlarged outer portion may be threaded, a part of the full length, or tapped from both ends. Items having an enlarged outer portion (flange(s) or shoulder(s)) may be threaded the full length, threaded a part of the full length, or tapped from both ends. Items tapped from both ends shall have either right-hand threads on both ends or left-hand threads on both ends. For items conforming to any of the above and having a length overall exceeding two times the largest outside diameter or width across flats, use post, electrical-mechanical equipment. For items with an outside contour that is the same the full length, having a continuous thread through its entire length, and the length does not exceed two times the diameter or width across the flats use nut (1), plain (as modified). Excludes:nut (1), plain, cap. See also turnbuckle body.

3a thread class, 0.182 inches minimum and 0.192 inches maximum thread length, headless (setscrew) head style, right-hand thread direction, 0.182 inches minimum and 0.192 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: 0.182 inches minimum and 0.192 inches maximum
Fastener Length: 0.182 inches minimum and 0.192 inches maximum
Head Style: headless (setscrew)
Point Length: 0.046 inches nominal
Point Style: flat
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.562 inches
Width Across Flats: 0.250 inches minimum and 0.252 inches maximum
Thread Quantity Per Inch: 24
Point Chamfer Angle: 45.0 degrees nominal
Material: steel comp 303 overall
Material Document And Classification: aisi assn std single material response overall
Thread Series Designator: unef

FAQs

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

What is the FSCG of the NSN 5305-00-331-5256?

The FSCG of the NSN 5305-00-331-5256 is 5305

Does the NSN 5305-00-331-5256 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-331-5256 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 5305-00-331-5256 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-331-5256 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 5305-00-331-5256 was assigned to the Federal Catalog?

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