1291432

View detailed technical data, stock status, and sourcing information for: 1291432
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-803-9745

Item Name Code

05487

Assigment Date

06/26/1968 (58 years ago)

spring disk loading method, -40.0 fahrenheit 1st response maximum operating temp, 250.0 fahrenheit 2nd response maximum operating temp, right-hand all ends thread direction, poppet flow control device

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: -40.0 fahrenheit 1st response
Maximum Operating Temp: 250.0 fahrenheit 2nd 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: 1.250 inches all ends
Special Features: 2.0 to 4.0 psi valve cracking pressure; designed for acetylene,hydrau lic fluid,and water-oil-gas
Material: copper alloy overall
Media For Which Designed: acetylene 2nd response
Media For Which Designed: air 1st response
Media For Which Designed: alcohol, ethyl 3rd response
Media For Which Designed: ammonia, gaseous 4th response
Media For Which Designed: carbon dioxide 5th response
Style Designator: straight thru
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
1291432	Check Valve
249B10PP	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-00-803-9745?

The FSCG of the NSN 4820-00-803-9745 is 4820

Does the NSN 4820-00-803-9745 have a Schedule B code assigned?

Yes, the Schedule B code is 8481301090

Does NSN 4820-00-803-9745 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 4820-00-803-9745 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-803-9745 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 4820-00-803-9745 was assigned to the Federal Catalog?

It was assigned 58 years ago, on Wed, Jun 26, 1968