21781-400

View detailed technical data, stock status, and sourcing information for: 21781-400
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-463-9074

Item Name Code

39712

Assigment Date

04/08/1999 (27 years ago)

An item consisting of a partial turn as one or more turns of wire or other conductive material which constitutes one continuous untapped winding. It may be wound or formed in other than a circular manner and may be self-supporting, requiring no coil form. It is specifically designed to furnish inductive reactance in a circuit carrying radio frequency current ranging from 20 kilohertz (kilocycles) and above. It may include tuning devices, integral resistors and capacitors; however, excludes:filter (as modified). The coil has only two electrical terminals. For items having tapped winding or more than one winding - see transformer, radio frequency. For coils wound on resistors, which are designed to be inserted in the circuit of a radio frequency stage to suppress high frequency parasitic oscillations, see suppressor, parasitic.

w/s los angeles class ssn end item identification, 7.500 inches nominal overall length, 5.130 inches minimum overall height, end item:subplate assembly special features, 2.940 inches minimum overall width

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Overall Length: 7.500 inches nominal
Overall Height: 5.130 inches minimum
Overall Width: 2.940 inches minimum
End Item Identification: w/s los angeles class ssn
Special Features: end item:subplate assembly
Material: aluminum alloy
Surface Treatment: anodize

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
21781-400	Valve Subplate Assembly
21781-400-1	Valve Subplate Assembly

FAQs

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

What is the FSCG of the NSN 4820-01-463-9074?

The FSCG of the NSN 4820-01-463-9074 is 4820

Does the NSN 4820-01-463-9074 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-463-9074 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 4820-01-463-9074 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-463-9074 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 4820-01-463-9074 was assigned to the Federal Catalog?

It was assigned 27 years ago, on Thu, Apr 8, 1999