Secure Ordering: +1 (757) 528-8028
Parts Catalog » Hardware » Contact Us » Quote »
NationalStockNumber.info
NationalStockNumber.INFO

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

Check Valve

Model / MPN: 21081 FIND 53 | NSN: 4820-00-706-4587
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
4820-00-706-4587
Sold in multiples of
1 EA
DEMIL
NO
Flow Control Device
Ball
Disk Loading Method
Spring
End Application
Seawolf class ssn, sturgeon class ssn (637), nimitz class cvn, los angeles class ssn (688). C-17a airlifter, b-2 bomber (atb) aircraft. Mh-53e helicopter.
Valve Operation Method
Automatic
Connection Type
Unthreaded cartridge all ends
Mounting Position
Horizontal or vertical
Maximum Operating Pressure
3000.0 pounds per square inch single response
Criticality Code Justification
Feat
Material
Steel comp 303 body
Material
Steel comp 303 seat
Material
Steel comp 440c flow control device
Material Specification
Qq-s-763, class 440c, cond a federal specification single material response flow control device
Material Specification
Qq-s-764, type 303-canceled federal specification single material response body
Material Specification
Qq-s-764, type 303-canceled federal specification single material response seat
Surface Treatment
Passivate
Surface Treatment Specification
Mil-s-5002 military specification single treatment response
21081 Series Parts
Solicitations
Solicitation Description Qty UOM Close Date
SPE7MC16T2061 Valve, Check 57 EA 11/09/2015
SPE7M317T2760 Valve, Check 108 EA 03/13/2017
SPE4A717TD999 Valve, Check 140 EA 04/17/2017
SPE4A717TL851 Valve, Check 121 EA 07/25/2017
SPE4A717TR418 Valve, Check 25 EA 09/25/2017
SPE4A718T8337 Valve, Check 165 EA 01/18/2018
SPE4A718T793W Valve, Check 185 EA 09/27/2018

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
21081 FIND 53 Cross Reference
  • 287807-1
  • CKRA2506005
  • CKRA2506005A
  • CKRA2506005A
  • 5278506
  • 21103-89
  • 21820 FN 61
  • 21837 FIND 63
  • 3024T34P01
  • C2727-250-005
  • 023-63676-3
  • 771-590
  • 566-6408394-22
  • 771-590-9004
  • 3024T34
  • 21081
  • 1244564
  • 1244564-1
  • 1244564
  • 1244564-1
  • 250CKR005
  • 10109262