4820-21-921-0551
Check Valve
4820219210551 219210551 8IN-2HMM10-4F
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. View more Check Valve
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Managed by Canada
NSN Created on 9 Mar 2001
Data Last Changed
January 2023
January 2023
NATO Update Count
1
1
NATO Data Quality

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8IN-2HMM10-4F A valve permitting flow in one direction only.
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/fsc-4820/ca 4820-21-921-0551 Check Valve 4820219210551219210551 8IN-2HMM10-4F A valve permitting flow
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/fsc-4820/ca 4820-21-921-0551 Check Valve 4820219210551219210551 8IN-2HMM10-4F A valve permitting flow
Restrictions 4820-21-921-0551
End Users 4820-21-921-0551
- United States of America (ZZ)
Approved Sources 4820-21-921-0551
- Part Number
- Manufacturer
- Status
- 8IN-2HMM10-4F
- Manufacturer
- 3AS78 - Velan-Proquip Incdba Valve Mfrvelan (Active)
- Primary Buy
- Primary Buy
Weapon Systems (WSDC) 4820-21-921-0551
DLA Procurement Analysis 4820-21-921-0551
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Contracting Technical Data File (CTDF) 4820-21-921-0551 October 2021
Criticality and Quality
- Critical Item Code:
- Flight Safety:
- Life Support:
- Certified Samples:
- Serialization:
- First Article Test (FAT):
- Certificate of Quality Compliance:
- Production Lot Testing:
- Special Testing:
- Qualified Products List (QPL):
Commercial Properties
- Government Furnished Material:
- Government Furnished Tooling:
- Government Furnished Property:
- Price Evaluation Code:
- Diminshing Manufacturing Sources:
- Warranty:
- Commerical Off The Shelf (COTS):
- End Item Application:
- Auctioning Candidate:
- Source of Procurement:
- Contract Option:
Restrictions
- Boeing Rights Guard:
- Export Controlled:
- Controlled Technical Data Package (TDP):
- Restricted Technical Data Package (TDP):
- Contains Classified Material
- Weapons System Indicator Code (WSIC):
- J
Packaging Requirements
- Packaging Determination Table:
- Packaging Review Code:
- Special Packaging Instruction Number (SPIN):
- Special Packaging Instruction Number Revision:
- Special Packaging Instruction Number Date:
- Pallet Reference Number Required: