5305-01-472-3791

Find complete technical information, availability, and procurement data for: 5305-01-472-3791
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-472-3791

Item Name Code

18257

Assigment Date

03/01/2000 (26 years ago)

The outer component of a ball or roller bearing which provides a contact surface for the rolling elements of an antifriction bearing.

1.250 inches nominal thread length, 1.562 inches nominal fastener length, hexagon head style, right-hand thread direction, 2a thread class

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: 1.250 inches nominal
Fastener Length: 1.562 inches nominal
Head Style: hexagon
Head Height: 0.150 inches minimum and 0.160 inches maximum
Width Between Flats: 0.425 inches minimum and 0.437 inches maximum
End Item Identification: 5820-01-421-2609
Nominal Thread Diameter: 0.250 inches
Thread Quantity Per Inch: 28
Hardness Rating: 58.0 rockwell c nominal overall
Material: steel comp 440c overall
Material Document And Classification: qq-s-763, cl 440c, cond a fed spec single material response overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: qq-p-35 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
A320A497-102	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-472-3791?

The FSCG of the NSN 5305-01-472-3791 is 5305

Does the NSN 5305-01-472-3791 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-472-3791 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 5305-01-472-3791 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-472-3791 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 5305-01-472-3791 was assigned to the Federal Catalog?

It was assigned 26 years ago, on Wed, Mar 1, 2000