Check Valve

Model / MPN: 4578-1-000 | NSN: 4820-01-311-9459

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

4820-01-311-9459

Sold in multiples of

1 EA

DEMIL

Thread Class

3a 2nd end

Thread Direction

Right-hand 2nd end

Thread Direction

Right-hand 1st end

Flow Control Device

Disk

Maximum Operating Temp

150.0 degrees fahrenheit single response

Connection Style

Flared (tube) 2nd end

Connection Style

Plain (pipe) 1st end

Valve Operation Method

Automatic

Connection Type

Threaded external pipe 1st end

Connection Type

Threaded external tube 2nd end

Mounting Position

Horizontal or vertical

Thready Qty Per Inch (tpi)

20 2nd end

Maximum Operating Pressure

250.0 pounds per square inch single response

Thread Size

0.250 inches 1st end

Thread Size

0.250 inches 2nd end

Seat Angle

37.0 degrees 2nd end

Material

Steel comp 304 body or steel comp 316 body

Media For Which Designed

Water, fresh 2nd response

Media For Which Designed

Air 1st response

Style Designator

Straight thru

Thread Series Designator

Npt 1st end

Thread Series Designator

Unj 2nd end

4578 Series Parts

Solicitations

Solicitation	Description	Qty	UOM	Close Date
SPE7MC17TS977	Valve, Check	2	EA	09/11/2017
SPE7MC18T246N	Valve, Check	2	EA	10/09/2018
SPE7MC19T8846	Valve, Check	1	EA	05/20/2019
SPE7MC19T133R	Valve, Check	2	EA	09/05/2019
SPE7MC20Q0002	Valve, Check	3	EA	10/22/2019
SPE7MC20T3837	Valve, Check	1	EA	01/28/2020
SPE7MC20T6371	Valve, Check	5	EA	03/23/2020

Pricing and Availability

Send us a request for quote using the form below. Our team will contact you with an up to date pricing and availability quote ASAP.

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4578-1-000 Cross Reference

6310033
6310033