C249A1Q

View detailed technical data, stock status, and sourcing information for: C249A1Q
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-021-2967

Item Name Code

05487

Assigment Date

04/27/1967 (59 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.

poppet flow control device, plain (tube) all ends connection style, spring disk loading method, automatic valve operation method, 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.

Flow Control Device: poppet
Disk Loading Method: spring
Maximum Operating Temp: 280.0 fahrenheit single response
Connection Style: plain (tube) all ends
Valve Operation Method: automatic
Connection Type: unthreaded internal tube all ends
Mounting Position: horizontal or vertical
Maximum Operating Pressure: 5000.0 pounds per square inch single response
Nominal Outside Diameter Tube Accommodated: 0.746 inches all ends
Material: aluminum alloy body
Material Document And Classification: qq-a-200/3,alloy 2024,t4 fed spec single material response body
Media For Which Designed: air 1st response
Media For Which Designed: ammonia, gaseous 2nd response
Media For Which Designed: carbon dioxide 3rd response
Media For Which Designed: ethylene glycol 4th response
Media For Which Designed: water, fresh 5th response
Surface Treatment: anodize
Style Designator: straight thru

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4820-00-793-8078	No Name Available	06/01/1989

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
2533403-1	Check Valve
2533403PC1	Check Valve
C249A1Q	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-00-021-2967?

The FSCG of the NSN 4820-00-021-2967 is 4820

Does the NSN 4820-00-021-2967 have a Schedule B code assigned?

Yes, the Schedule B code is 8481309000

Does NSN 4820-00-021-2967 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 4820-00-021-2967 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-00-021-2967 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 4820-00-021-2967 was assigned to the Federal Catalog?

It was assigned 59 years ago, on Thu, Apr 27, 1967