5305-01-182-1578

Find complete technical information, availability, and procurement data for: 5305-01-182-1578
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-182-1578

Item Name Code

18257

Assigment Date

06/20/1984 (42 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.

2.250 inches minimum thread length, 3.312 inches minimum and 3.500 inches maximum fastener length, right-hand thread direction, 2a thread class, hexagon head style

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: 2.250 inches minimum
Fastener Length: 3.312 inches minimum and 3.500 inches maximum
Head Style: hexagon
Head Height: 0.591 inches minimum and 0.627 inches maximum
Width Between Flats: 1.469 inches minimum and 1.500 inches maximum
Nominal Thread Diameter: 1.000 inches
Thread Quantity Per Inch: 8
Material: steel 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
91124380	Hexagon Head Cap Screw
91124380N	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-182-1578?

The FSCG of the NSN 5305-01-182-1578 is 5305

Does the NSN 5305-01-182-1578 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-182-1578 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 5305-01-182-1578 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-182-1578 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 5305-01-182-1578 was assigned to the Federal Catalog?

It was assigned 42 years ago, on Wed, Jun 20, 1984