CP1D1A

View detailed technical data, stock status, and sourcing information for: CP1D1A
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-328-1326

Item Name Code

05487

Assigment Date

10/27/1990 (35 years ago)

A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes:valve (1), relief, pressure and temperature.

threaded internal pipe all ends connection type, plain, optional end (pipe) all ends connection style, piston flow control device, right-hand all ends thread direction, 0.750 inches all ends nominal thread size

Product Characteristics

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

Thread Direction: right-hand all ends
Flow Control Device: piston
Connection Style: plain, optional end (pipe) all ends
Connection Type: threaded internal pipe all ends
Nominal Thread Size: 0.750 inches all ends
Material: iron body
Material: steel seat
Thread Series Designator: unf 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
CP1D1A	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-01-328-1326?

The FSCG of the NSN 4820-01-328-1326 is 4820

Does the NSN 4820-01-328-1326 have a Schedule B code assigned?

Yes, the Schedule B code is 8481302010

Does NSN 4820-01-328-1326 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 4820-01-328-1326 contain precious materials?

Precious metal content is unknown

Does NSN 4820-01-328-1326 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 4820-01-328-1326 was assigned to the Federal Catalog?

It was assigned 35 years ago, on Sat, Oct 27, 1990