D661-1279

View detailed technical data, stock status, and sourcing information for: D661-1279
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-830-2037

Item Name Code

13619

Assigment Date

09/01/1967 (58 years ago)

An active semiconductor device with three or more electrodes. May or may not include mounting hardware and/or heatsink. Excludes:semiconductor device, diode and semiconductor device, thyristor. For solid state devices which are responsive to visible or infrared radiant energy, see semiconductor device, photo.

butt weld pipe all ends connection type, beveled (tube) all ends connection style, threaded fastener mounting facility, 0.500 inches all ends nominal pipe size accommodated, manual valve operation method

Product Characteristics

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

Nominal Pipe Size Accommodated: 0.500 inches all ends
Connection Style: beveled (tube) all ends
Valve Operation Method: manual
Connection Type: butt weld pipe all ends
Mounting Facility: threaded fastener
Special Features: cleaned and packaged per mil-p-52211/ce/
Material: copper alloy overall
Style Designator: straight thru

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
D661-1279	Stop Diaphragm Valve

FAQs

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

What is the FSCG of the NSN 4820-00-830-2037?

The FSCG of the NSN 4820-00-830-2037 is 4820

Does the NSN 4820-00-830-2037 have a Schedule B code assigned?

Yes, the Schedule B code is 8481809050

Does NSN 4820-00-830-2037 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 4820-00-830-2037 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-830-2037 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 4820-00-830-2037 was assigned to the Federal Catalog?

It was assigned 58 years ago, on Fri, Sep 1, 1967