4820-01-397-8637

Find complete technical information, availability, and procurement data for: 4820-01-397-8637
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-397-8637

Item Name Code

05488

Assigment Date

10/21/1994 (31 years ago)

An adapter having machine threads (straight threads other than pipe or hose series) designed to accommodate a tube on one end or an unthreaded end designed to accommodate a tube. The other end has external or internal machine threads (straight threads other than pipe or hose series) and is designed to facilitate a gasket, preformed packing, washer, or the like to form a seal at the boss. It is designed to join a tube or tube fitting to a boss or boss fitting in a straight line on items such as tanks, housings, valve fittings, and the like. See also coupling, tube and nipple, tube.

disk flow control device, plain (pipe) all ends connection style, threaded external pipe all ends connection type, automatic valve operation method, right-hand all ends thread direction

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: disk
Connection Style: plain (pipe) all ends
Valve Operation Method: automatic
Connection Type: threaded external pipe all ends
Nominal Thread Size: 0.750 inches all ends
Opening Pressure Setting: 1.5 pounds per square inch
Material: steel corrosion resisting body
Style Designator: straight thru note: to be used for valve bodies of one section only.
Thread Series Designator: npt 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
42593-020	Safety Relief Valve
CON-075-SS-M-1 1/2	Safety Relief Valve
PL45267-020	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-397-8637?

The FSCG of the NSN 4820-01-397-8637 is 4820

Does the NSN 4820-01-397-8637 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-397-8637 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 4820-01-397-8637 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-397-8637 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 4820-01-397-8637 was assigned to the Federal Catalog?

It was assigned 31 years ago, on Fri, Oct 21, 1994