483-1/4B1-2

View detailed technical data, stock status, and sourcing information for: 483-1/4B1-2
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-802-0132

Item Name Code

05487

Assigment Date

01/01/1962 (64 years ago)

plain, optional end (pipe) all ends connection style, right-hand all ends thread direction, spring disk loading method, poppet flow control device, 280.0 fahrenheit single response maximum operating temp

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: poppet
Disk Loading Method: spring
Maximum Operating Temp: 280.0 fahrenheit single response
Connection Style: plain, optional end (pipe) all ends
Valve Operation Method: automatic
Connection Type: threaded internal pipe all ends
Mounting Position: horizontal or vertical
Maximum Operating Pressure: 3000.0 pounds per square inch single response
Nominal Thread Size: 0.250 inches all ends
Material: copper alloy body
Material: copper alloy and rubber synthetic flow control device
Material: copper alloy seat
Media For Which Designed: water-oil-gas single response
Style Designator: straight thru
Thread Series Designator: npt all ends

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4820-00-440-0803	No Name Available	11/01/1972
4820-00-450-0520	No Name Available	03/01/1993
4820-00-809-4434	No Name Available	09/17/1973
4820-00-868-3107	No Name Available	04/23/1972
4820-01-108-5454	No Name Available	10/01/1992

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
259B2PP	Check Valve
259B2PP1	Check Valve
279B2PP1	Check Valve
483-1/4-B1-2	Check Valve
483-1/4B1-2	Check Valve
63993	Check Valve
8020132	Check Valve
A5402-5	Check Valve
EC37JD016	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-00-802-0132?

The FSCG of the NSN 4820-00-802-0132 is 4820

Does the NSN 4820-00-802-0132 have a Schedule B code assigned?

Yes, the Schedule B code is 8481301090

Does NSN 4820-00-802-0132 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 4820-00-802-0132 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-00-802-0132 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 4820-00-802-0132 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Mon, Jan 1, 1962