Secure Ordering: +1 (757) 528-8028
NationalStockNumber.info
NationalStockNumber.INFO

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

Check Valve

Model / MPN: 123A-3 PL4351 | NSN: 4820-00-147-8546
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
4820-00-147-8546
Sold in multiples of
1 EA
DEMIL
NO
Thread Class
2a all ends
Thread Direction
Right-hand all ends
Flow Control Device
Disk
Disk Loading Method
Spring
Renewable Seat Ring Type
Retaining screw
Connection Style
Double threaded section boss fitting gasket with locknut sealing, boss all ends
Valve Operation Method
Automatic
Connection Type
Threaded external boss all ends
Mounting Position
Horizontal or vertical
Thready Qty Per Inch (tpi)
12 all ends
Maximum Operating Pressure
6000.0 pounds per square inch single response
Thread Size
1.750 inches all ends
Material
Copper alloy body
Material
Nickel alloy seat
Material Specification
Qq-b-637 federal specification single material response body
Material Specification
Qq-n-281 federal specification single material response flow control device
Style Designator
Straight thru
Thread Series Designator
Un all ends

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.

Qty:
Email Address:
Phone Number:
Your name:
Company:
Privacy    Terms

Certified Quality Assurance  Quality check icon

  •   ISO 9001:2015 + AS9120B
  •   Counterfeit Parts Prevention
  •   100% Product Inspections
  •   7 Year Record Retention
  •   On Time Delivery
  •   HAZMAT Certified
  •   Worldwide Shipping
123A-3 PL4351 Cross Reference
  • 123-3
  • 123A-3
  • B4862