6318221 — VALVE,BREATHING APPARATUS

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

6318221: VALVE,BREATHING APPARATUS.

The VALVE,BREATHING APPARATUS is a the manufacturer industrial component. Key specifications include end_item_identification: MK21 MOD1 DIVING HELMET. This part is cataloged in the U.S.

Government catalog under NSN 4220-01-331-1746, 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

6318221

NSN: 4220-01-331-1746
FSC: 4220 — Marine Lifesaving and Diving Equipment
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)

SPECIFICATIONS

end_item_identification	MK21 MOD1 DIVING HELMET
NSN	4220-01-331-1746

COMPONENT DIAGRAM

TECHNICAL CHARACTERISTICS

END ITEM IDENTIFICATION

MK21 MOD1 DIVING HELMET

OTHER ITEMS IN FSC 4220 — Marine Lifesaving and Diving Equipment

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

4220-00-004-8880 4220-00-009-2854 4220-00-012-3571 4220-00-014-0183 4220-00-014-2097 4220-00-021-4979 4220-00-021-9688 4220-00-022-1014

SUBSTITUTES & CROSS-REFERENCES 1

592-6318221Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 6318221?

6318221 is a VALVE,BREATHING APPARATUS.

What parts can replace 6318221?

There is 1 known substitute for 6318221: 592-6318221. Substitute compatibility should be verified for your specific system.

What is the NSN for 6318221?

6318221 is cataloged in the U.S. Government catalog under NSN 4220-01-331-1746. This indicates validated use in U.S. government and defense supply chains.

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6318221 — VALVE,BREATHING APPARATUS

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