12500022

View detailed technical data, stock status, and sourcing information for: 12500022
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-509-0161

Item Name Code

18257

Assigment Date

06/09/2003 (23 years ago)

Two or more diode semiconductor devices designed to function as a unit in changing alternating current to direct current. The diode devices are internally connected in series, and are permanently cased, encapsulated, potted, or molded together to form an inseparable unit. These units may be designed as either half-wave or full-wave rectifiers and may be mounted to form either single phase or three phase bridges. For interconnected items arranged in stack(s), see rectifier, semiconductor device. For items fabricated in the form of a monolithic or thin film structure that perform the function of a circuit, see integrated circuit (as modified). Excludes:semiconductor devices, unitized; semiconductor device assembly; and rectifier network, unitized.

hexagon head style, 1.000 inches nominal thread length, right-hand thread direction, 2a thread class, 1.000 inches nominal fastener 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: 1.000 inches nominal
Head Style: hexagon
Head Height: 0.230 inches nominal
Width Between Flats: 0.563 inches nominal
End Item Identification: sqh-4b towfis
Nominal Thread Diameter: 0.375 inches
Thread Quantity Per Inch: 16
Material: steel overall
Thread Series Designator: unc

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5306-01-627-8867	No Name Available	10/01/2020

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
03249	Hexagon Head Cap Screw
12500022	Hexagon Head Cap Screw
93190A624	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-509-0161?

The FSCG of the NSN 5305-01-509-0161 is 5305

Does the NSN 5305-01-509-0161 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-509-0161 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 5305-01-509-0161 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-509-0161 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 5305-01-509-0161 was assigned to the Federal Catalog?

It was assigned 23 years ago, on Mon, Jun 9, 2003