4820-21-871-5402
Check Valve
4820218715402 218715402 MS28884-16 MS28884A-16
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 20 Sep 1974
Data Last Changed
October 2025
October 2025
NATO Update Count
1
1
NATO Data Quality

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MS28884-16 MS28884A-16 A valve permitting flow in one direction only.
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Restrictions 4820-21-871-5402
End Users 4820-21-871-5402
- Canada (ZC)
- Italy (ZR)
Approved Sources 4820-21-871-5402
- Part Number
- Manufacturer
- Status
- MS28884-16
- Manufacturer
- 96906 - Military Standards (Active)
- Definitive Standard
- Definitive Standard
- MS28884A-16
- 96906 - Military Standards (Active)
- Definitive Standard
- Definitive Standard
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