5305-01-645-3000

Find complete technical information, availability, and procurement data for: 5305-01-645-3000
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-645-3000

Item Name Code

16282

Assigment Date

06/10/2015 (11 years ago)

A two electrode semiconductor device having an asymmetrical voltage - current characteristic. May or may not include mounting hardware and/or heatsink. Excludes:light emitting diode and semiconductor device,photo. For items containing material such as selenium and copper oxide, see recifier, metallic.

1.250 inches nominal thread length, 2a thread class, right-hand thread direction, 1.250 inches nominal fastener length, flat chamfer 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: 1.250 inches nominal
Fastener Length: 1.250 inches nominal
Head Style: flat chamfer
Head Diameter: 0.365 inches minimum and 0.375 inches maximum
Head Height: 0.244 inches minimum and 0.250 inches maximum
Internal Drive Style: hexagon
End Item Identification: 2350-01-577-0830
Nominal Thread Diameter: 0.250 inches
Width Across Flats: 0.188 inches nominal
Thread Quantity Per Inch: 28
Part Name Assigned By Controlling Agency: screw cap hex socket head
Special Features: undrilled head; optional-type self-locking element
Material: steel uns k03104 overall
Surface Treatment: zinc overall
Thread Series Designator: unf

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
AES14F250A25BB3A86	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-645-3000?

The FSCG of the NSN 5305-01-645-3000 is 5305

Does the NSN 5305-01-645-3000 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-645-3000 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 5305-01-645-3000 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-645-3000 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 5305-01-645-3000 was assigned to the Federal Catalog?

It was assigned 11 years ago, on Wed, Jun 10, 2015