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Technical Data Sheet
R53HE ✓ 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 special_features: SOLE SOURCE REQUIRED BY STATUTE 6.302; USED ON AMERICAN OPTICAL AO 5 STAR,AO 7 STAR,QUANTFIT AND COMMANDER RESPIRATORS, fsc_application_data: RESPIRATOR,AIR FILTERING, 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 4240-01-247-7231, 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
R53HE
NSN: 4240-01-247-7231
FSC: 4240
CAGE: 02622 — AMERICAN OPTICAL CO (USA)
SPECIFICATIONS
special_featuresSOLE SOURCE REQUIRED BY STATUTE 6.302; USED ON AMERICAN OPTICAL AO 5 STAR,AO 7 STAR,QUANTFIT AND COMMANDER RESPIRATORS
fsc_application_dataRESPIRATOR,AIR FILTERING
hazard_protection_featureDUST AND MIST AND CHLORINE,HYDROGEN CHLORIDE,ORGANIC VAPORS,SULFUR DIOXIDE,FUMES,ASBESTOS-CONTAINING DUSTS AND MISTS,RADON DAUGHTERS,RADIONUCLIDES AND PESTICIDES
criticality_code_justificationFEAT
NSN4240-01-247-7231
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CARTRIDGE,RESPIRATOR,AIR FILTERI TITLE COMPONENT PN R53HE MFR CARTRIDGE,RESPIRATOR,A
KEY FEATURES
HAZARD PROTECTION FEATURE: DUST AND MIST AND CHLORINE,HYDROGEN CHLORIDE,ORGANIC VAPORS,SULFUR DIOXIDE,FUMES,ASBESTOS-CONTAINING DUSTS AND MISTS,RADON DAUGHTERS,RADIONUCLIDES AND PESTICIDES
FSC APPLICATION DATA: RESPIRATOR,AIR FILTERING
CRITICALITY CODE JUSTIFICATION: FEAT
TECHNICAL CHARACTERISTICS (FLIS)
HAZARD PROTECTION FEATUREDUST AND MIST AND CHLORINE,HYDROGEN CHLORIDE,ORGANIC VAPORS,SULFUR DIOXIDE,FUMES,ASBESTOS-CONTAINING DUSTS AND MISTS,RADON DAUGHTERS,RADIONUCLIDES AND PESTICIDES
FSC APPLICATION DATARESPIRATOR,AIR FILTERING
SPECIAL FEATURESSOLE SOURCE REQUIRED BY STATUTE 6.302; USED ON AMERICAN OPTICAL AO 5 STAR,AO 7 STAR,QUANTFIT AND COMMANDER RESPIRATORS
CRITICALITY CODE JUSTIFICATIONFEAT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
510-42Interchangeable
interchangeable cross-reference
interchangeable
51042-1Interchangeable
interchangeable cross-reference
interchangeable
120 21/32Interchangeable
interchangeable cross-reference
interchangeable
49742Interchangeable
interchangeable cross-reference
interchangeable
25615Interchangeable
interchangeable cross-reference
interchangeable
133595R1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is R53HE?
R53HE is a CARTRIDGE,RESPIRATOR,AIR FILTERI.
What parts can replace R53HE?
There are 12 known substitutes for R53HE: 510-42, 51042-1, 120 21/32 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for R53HE?
R53HE is cataloged in the Federal Logistics Information System (FLIS) under NSN 4240-01-247-7231. This indicates validated use in U.S. government and defense supply chains.
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