4820-01-371-7666

Find complete technical information, availability, and procurement data for: 4820-01-371-7666
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-371-7666

Item Name Code

05487

Assigment Date

02/23/1993 (33 years ago)

A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.

3a all ends thread class, 275.0 fahrenheit single response maximum operating temp, right-hand all ends thread direction, poppet flow control device, spring disk loading method

Product Characteristics

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

Thread Class: 3a all ends
Thread Direction: right-hand all ends
Flow Control Device: poppet
Disk Loading Method: spring
Maximum Operating Temp: 275.0 fahrenheit single response
Connection Style: plain (tube) all ends
Valve Operation Method: automatic
Connection Type: threaded external tube all ends
Mounting Position: horizontal or vertical
Thread Quantity Per Inch: 12 all ends
Maximum Operating Pressure: 4000.0 pounds per square inch single response
Nominal Thread Size: 1.188 inches all ends
Material: steel comp 440c flow control device
Material: steel comp 630 body
Style Designator: straight thru
Thread Series Designator: unj all ends

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
1C2714	Check Valve
7D0173D14	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-01-371-7666?

The FSCG of the NSN 4820-01-371-7666 is 4820

Does the NSN 4820-01-371-7666 have a Schedule B code assigned?

Yes, the Schedule B code is 8481302090

Does NSN 4820-01-371-7666 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 4820-01-371-7666 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-371-7666 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 4820-01-371-7666 was assigned to the Federal Catalog?

It was assigned 33 years ago, on Tue, Feb 23, 1993