5305-01-558-7378

Find complete technical information, availability, and procurement data for: 5305-01-558-7378
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-558-7378

Item Name Code

18257

Assigment Date

11/20/2007 (18 years ago)

An item designed to be affixed to a base, forming a housing for a removable bearing or the bearing may be an integral part of the housing. It is used to prevent the admission of dirt and/or foreign matter, retain the lubricant and to position a shaft or the like.

hexagon head style, 2a thread class, right-hand thread direction, 1.500 inches nominal fastener length, 1.000 inches minimum and 1.312 inches maximum 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 minimum and 1.312 inches maximum
Fastener Length: 1.500 inches nominal
Head Style: hexagon
Head Height: 0.273 inches minimum and 0.290 inches maximum
Width Between Flats: 0.562 inches nominal
Nominal Thread Diameter: 0.375 inches
Thread Quantity Per Inch: 16
Special Features: screws head marked l9 (known as l9 screws)
Material: steel overall
Surface Treatment: zinc alloy 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
90201A319	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-558-7378?

The FSCG of the NSN 5305-01-558-7378 is 5305

Does the NSN 5305-01-558-7378 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-558-7378 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 5305-01-558-7378 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-558-7378 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 5305-01-558-7378 was assigned to the Federal Catalog?

It was assigned 18 years ago, on Tue, Nov 20, 2007