Restrictor Check Valve

Model / MPN: 6631-16-S2-55 | NSN: 4820-01-191-5116

A valve having an orifice in the poppet, disk, or the like, to permit restricted fluid flow when the valve is seated. It does not have a stem or provisions for pressure adjustments, and is similar to a valve, check with the exception of the orifice which permits fluid flow in more than one direction.

Product Details

NATO Stock Number

4820-01-191-5116

Sold in multiples of

1 EA

DEMIL

Thread Direction

Right-hand 1st end

Flow Control Device

Piston

Disk Loading Method

Spring

Connection Style

Plain, optional end (pipe) 1st end

Valve Operation Method

Automatic

Thread Size

1.312 inches 1st end

Style Designator

Straight thru

Thread Series Designator

Npt 1st end

663116 Series Parts

663116-1

Pricing and Availability

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6631-16-S2-55 Cross Reference

PCCM1600S
17116-0550-0210
119981