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Technical Data Sheet
PartsTable / COMPONENT / 592-6318215
592-6318215 ✓ 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

The BODY,VALVE,BREATHING APPARATUS is a the manufacturer industrial component. Key specifications include end_item_identification: MK21 MOD1 DIVING HELMET. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4220-01-331-1741, 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
592-6318215
NSN: 4220-01-331-1741
FSC: 4220
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
end_item_identificationMK21 MOD1 DIVING HELMET
NSN4220-01-331-1741
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available BODY,VALVE,BREATHING APPARATUS TITLE COMPONENT PN 592-6318215 MFR BODY,VALVE,BREATHING A
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATIONMK21 MOD1 DIVING HELMET
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
25523Interchangeable
interchangeable cross-reference
interchangeable
A-A-59649Interchangeable
interchangeable cross-reference
interchangeable
D73577Interchangeable
interchangeable cross-reference
interchangeable
33504Interchangeable
interchangeable cross-reference
interchangeable
5502-25Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 592-6318215?
592-6318215 is a BODY,VALVE,BREATHING APPARATUS.
What parts can replace 592-6318215?
There are 5 known substitutes for 592-6318215: 25523, A-A-59649, D73577 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 592-6318215?
592-6318215 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4220-01-331-1741. 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