Check Valve

Model / MPN: 869A-4BB-2 | NSN: 4820-01-055-7844

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.

Product Details

NATO Stock Number

4820-01-055-7844

Sold in multiples of

DEMIL

Thread Class

3b all ends

Thread Direction

Right-hand all ends

Flow Control Device

Poppet

Disk Loading Method

Spring

Maximum Operating Temp

-65.0 degrees fahrenheit 1st response

Maximum Operating Temp

180.0 degrees fahrenheit 2nd response

Connection Style

Flare (tube) all ends

Valve Operation Method

Automatic

Connection Type

Threaded internal tube all ends

Mounting Position

Horizontal or vertical

Maximum Operating Pressure

600.0 pounds per square inch single response

Thread Size

0.438 inches all ends

Outside Diameter Tube Accommodated

0.250 inches all ends

Material

Aluminum

Media For Which Designed

Air 1st response

Media For Which Designed

Alcohol, ethyl 5th response

Media For Which Designed

Carbon dioxide 3rd response

Media For Which Designed

Ethylene glycol 4th response

Media For Which Designed

Fuel/oil, hydrocarbon 2nd response

Style Designator

Straight thru

Thread Series Designator

Unf all ends

869A Series Parts

Pricing and Availability

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869A-4BB-2 Cross Reference

A1Q72
7602618
A1Q72
7602618