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5486648-IT-F-57 — VALVE,BREATHING APPARATUS

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

5486648-IT-F-57: VALVE,BREATHING APPARATUS.

The VALVE,BREATHING APPARATUS is a the manufacturer industrial component. Key specifications include special_features: UNDERWATER LIFE SUPPORT IAW NAVSEA INSTRUCTION 10560.2B, criticality_code_justification: FEAT. This part is cataloged in the U.S.

Government catalog under NSN 4220-01-039-1873, 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
5486648-IT-F-57
NSN: 4220-01-039-1873
FSC: 4220 — Marine Lifesaving and Diving Equipment
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
special_featuresUNDERWATER LIFE SUPPORT IAW NAVSEA INSTRUCTION 10560.2B
end_item_identificationDIVER'S MASK USN MARK 1 MODEL 0; STURGEON CLASS SSN (637); SAFEGUARD CLASS ARS; DIVERS LIFE SUPPORT SYSTEM; DEEP SUBMERGENCE SYSTEMS PROGRAMS (DSSP); DRY DECK SHELTER
criticality_code_justificationFEAT
NSN4220-01-039-1873
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available VALVE,BREATHING APPARATUS TITLE COMPONENT PN 5486648-IT-F-57 MFR VALVE,BREATHING APPARA
KEY FEATURES
•
CRITICALITY CODE JUSTIFICATION: FEAT
TECHNICAL CHARACTERISTICS
CRITICALITY CODE JUSTIFICATIONFEAT
SPECIAL FEATURESUNDERWATER LIFE SUPPORT IAW NAVSEA INSTRUCTION 10560.2B
END ITEM IDENTIFICATIONDIVER'S MASK USN MARK 1 MODEL 0; STURGEON CLASS SSN (637); SAFEGUARD CLASS ARS; DIVERS LIFE SUPPORT SYSTEM; DEEP SUBMERGENCE SYSTEMS PROGRAMS (DSSP); DRY DECK SHELTER
SUBSTITUTES & CROSS-REFERENCES 8
0540-00Reference document
Same NSN cross-reference
Reference document — Secondary reference
4592474 ITEM 2Reference document
Same NSN cross-reference
Reference document — Secondary reference
4666843-2Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
4666843Reference document
Same NSN cross-reference
Reference document — Secondary reference
4693381 ITEM 2Reference document
Same NSN cross-reference
Reference document — Secondary reference
4693383 ITEM 74Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 5486648-IT-F-57?
5486648-IT-F-57 is a VALVE,BREATHING APPARATUS.
What parts can replace 5486648-IT-F-57?
There are 8 known substitutes for 5486648-IT-F-57: 0540-00, 4592474 ITEM 2, 4666843-2 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 5486648-IT-F-57?
5486648-IT-F-57 is cataloged in the U.S. Government catalog under NSN 4220-01-039-1873. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.