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Worldwide distributor of NSN parts and consumables located in the USA.

Check Valve

Model / MPN: A1530 | NSN: 4820-00-155-5672
ITAR Registered seal

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
4820-00-155-5672
Sold in multiples of
1 EA
DEMIL
NO
Thread Class
3a all ends
Thread Direction
Right-hand all ends
Flow Control Device
Poppet
Disk Loading Method
Spring
Maximum Operating Temp
275.0 degrees fahrenheit single response
Minimum Operating Temp
-65.0 degrees fahrenheit
Connection Style
Flareless all ends
Valve Operation Method
Automatic
Connection Type
Threaded external tube all ends
Mounting Position
Horizontal or vertical
Maximum Operating Pressure
3000.0 pounds per square inch single response
Thread Size
0.438 inches 2nd end
Thread Size
0.562 inches 1st end
Seat Angle
12.0 degrees all ends
Material
Steel comp 303 body
Material
Steel comp 303 seat
Material
Steel comp 440c flow control device
Media For Which Designed
Hydraulic fluid, petroleum base single response
Surface Treatment
Passivate
Surface Treatment Specification
Mil-s-5002 military specification single treatment response
Style Designator
Straight thru
Thread Series Designator
Unf all ends
Solicitations
Solicitation Description Qty UOM Close Date
SPE7MC18T071M Valve, Check 16 EA 07/09/2018
SPE7MC18U0153 Valve, Check 16 EA 07/20/2018
SPE7MC18U0201 Valve, Check 16 EA 09/21/2018
SPE7MC19U0098 Valve, Check 16 EA 03/18/2019
SPE7MC19T7280 Valve, Check 10 EA 04/22/2019
SPE7MC19T9079 Valve, Check 14 EA 05/23/2019
SPE7MC19T166K Valve, Check 5 EA 09/27/2019
SPE7MC20T5856 Valve, Check 19 EA 03/09/2020
SPE7MC20T6240 Valve, Check 19 EA 03/23/2020
SPE7M121T221Q Valve, Check 5 EA 05/10/2021

Pricing and Availability

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A1530 Cross Reference
  • 2C9640
  • 2-43923-13
  • 2-43923-13