5305-01-421-6446

Find complete technical information, availability, and procurement data for: 5305-01-421-6446
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-421-6446

Item Name Code

18257

Assigment Date

11/13/1995 (30 years ago)

A flexible plastic material in roll or sheet form bearing a coating which, when exposed to a light source and then given a chemical treatment, produces a visible black and white or color image. The roll film may come with or without perforations, sound track, leader, and/or trailer. The sheet film may be cut in sizes that can be easily handled one sheet at a time, or prepared in pack form where a quantity of sheets are enclosed in a pocket so designed that individual exposures can be made by removing tabbed shields. Photographic film may be used for, but not be limited to aerial photography, motion picutre, microfilm, graphic arts, portrait, reproductions, and the like.

right-hand thread direction, 3.750 inches nominal fastener length, hexagon head style, 2a thread class, 1.000 inches nominal 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: 2a
Thread Direction: right-hand
Thread Length: 1.000 inches nominal
Fastener Length: 3.750 inches nominal
Head Style: hexagon
Head Height: 0.308 inches minimum and 0.348 inches maximum
Width Between Flats: 0.725 inches minimum and 0.750 inches maximum
Nominal Thread Diameter: 0.625 inches
Thread Quantity Per Inch: 13
Material: steel overall
Material Document And Classification: astm a354 grbd assn std single material response overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416, ty2 cl3 fed spec single treatment 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
B1821AH063C375N	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-421-6446?

The FSCG of the NSN 5305-01-421-6446 is 5305

Does the NSN 5305-01-421-6446 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-421-6446 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 5305-01-421-6446 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-421-6446 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 5305-01-421-6446 was assigned to the Federal Catalog?

It was assigned 30 years ago, on Mon, Nov 13, 1995