4820-01-121-2598

Find complete technical information, availability, and procurement data for: 4820-01-121-2598
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-121-2598

Item Name Code

05487

Assigment Date

11/04/1981 (44 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.

2a all ends thread class, spring disk loading method, external seat for gasket seal (boss) all ends connection style, poppet flow control device, 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 Class: 2a all ends
Thread Direction: right-hand all ends
Flow Control Device: poppet
Disk Loading Method: spring
Connection Style: external seat for gasket seal (boss) all ends
Valve Operation Method: automatic
Connection Type: threaded external boss all ends
Mounting Position: horizontal or vertical
Thread Quantity Per Inch: 12 all ends
Maximum Operating Pressure: 6000.0 pounds per square inch single response
Nominal Thread Size: 2.000 inches all ends
Special Features: 175 ips
Material: steel body
Style Designator: straight thru
Thread Series Designator: un 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
HB92-XXX-12	Check Valve
M3130-4-H-2	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-01-121-2598?

The FSCG of the NSN 4820-01-121-2598 is 4820

Does the NSN 4820-01-121-2598 have a Schedule B code assigned?

Yes, the Schedule B code is 8481302090

Does NSN 4820-01-121-2598 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 4820-01-121-2598 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-121-2598 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 4820-01-121-2598 was assigned to the Federal Catalog?

It was assigned 44 years ago, on Wed, Nov 4, 1981