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R722E ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

CARTRIDGE,RESPIRATOR,AIR FILTERI. Key specifications include hazard_protection_feature: CHLORINE, criticality_code_justification: FEAT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4240-01-250-2284, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
R722E
NSN: 4240-01-250-2284
FSC: 4240
CAGE: 63984 — SQUARE D CO MONROE PLANT (USA)
SPECIFICATIONS
special_featuresNIOSH APPROVAL NO. TC-23C-604; SOLE SOURCE REQUIRED BY STATUTE 6.302; USED ON AMERICAN OPTICAL EXCAPE ARTIST MOUTHPIECE RESPIRATORS
hazard_protection_featureCHLORINE
criticality_code_justificationFEAT
NSN4240-01-250-2284
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CARTRIDGE,RESPIRATOR,AIR FILTERI TITLE COMPONENT PN R722E MFR CARTRIDGE,RESPIRATOR,A
KEY FEATURES
•
HAZARD PROTECTION FEATURE: CHLORINE
•
CRITICALITY CODE JUSTIFICATION: FEAT
TECHNICAL CHARACTERISTICS (FLIS)
HAZARD PROTECTION FEATURECHLORINE
CRITICALITY CODE JUSTIFICATIONFEAT
SPECIAL FEATURESNIOSH APPROVAL NO. TC-23C-604; SOLE SOURCE REQUIRED BY STATUTE 6.302; USED ON AMERICAN OPTICAL EXCAPE ARTIST MOUTHPIECE RESPIRATORS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
PT-480-10Interchangeable
interchangeable cross-reference
interchangeable
51420Interchangeable
interchangeable cross-reference
interchangeable
1420Interchangeable
interchangeable cross-reference
interchangeable
MIL-D-4562Interchangeable
interchangeable cross-reference
interchangeable
A-A-50695Interchangeable
interchangeable cross-reference
interchangeable
147 SIZE 5Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is R722E?
R722E is a CARTRIDGE,RESPIRATOR,AIR FILTERI.
What parts can replace R722E?
There are 10 known substitutes for R722E: PT-480-10, 51420, 1420 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for R722E?
R722E is cataloged in the Federal Logistics Information System (FLIS) under NSN 4240-01-250-2284. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026