Check Valve

Model / MPN: 655A 1/4IN | NSN: 4820-00-053-0640

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

4820-00-053-0640

Sold in multiples of

DEMIL

Pipe Size Accommodated

0.250 inches 1st end

Thread Direction

Right-hand 1st end

Flow Control Device

Disk

Disk Loading Method

Spring

Connection Style

Plain, optional end (pipe) 1st end

Valve Operation Method

Automatic

Connection Type

Threaded internal pipe 1st end

Mounting Position

Horizontal

Thready Qty Per Inch (tpi)

18 1st end

Thread Size

0.250 inches 1st end

Material

Copper alloy seat

Material

Copper alloy body

Material

Plastic vinyl flow control device or rubber flow control device or rubber synthetic flow control device

Style Designator

Straight thru

Thread Series Designator

Npt 1st end

655A Series Parts

Pricing and Availability

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Check Valve

Pricing and Availability

Certified Quality Assurance

655A 1/4IN Cross Reference