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643042 — HARNESS ASSEMBLY

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

643042: HARNESS ASSEMBLY.

The HARNESS ASSEMBLY is a the manufacturer industrial component. Key specifications include special_features: NECK HARNESS ASSEMBLY, end_item_identification: M-20.2 EMERGENCY ESCAPE BREATHING DEVICE. This part is cataloged in the U.S.

Government catalog under NSN 4240-01-502-9714, 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
643042
NSN: 4240-01-502-9714
FSC: 4240 — Safety and Rescue Equipment
CAGE: 03WY2 — OCENCO INC (USA)
SPECIFICATIONS
special_featuresNECK HARNESS ASSEMBLY
end_item_identificationM-20.2 EMERGENCY ESCAPE BREATHING DEVICE
NSN4240-01-502-9714
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available HARNESS ASSEMBLY TITLE COMPONENT PN 643042 MFR HARNESS ASSEMBLY
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESNECK HARNESS ASSEMBLY
END ITEM IDENTIFICATIONM-20.2 EMERGENCY ESCAPE BREATHING DEVICE
OTHER ITEMS IN FSC 4240 — Safety and Rescue Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4240-00-001-1515 4240-00-001-2684 4240-00-006-0022 4240-00-007-4576 4240-00-007-8182 4240-00-007-8183 4240-00-007-8184 4240-00-007-8185
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 643042?
643042 is a HARNESS ASSEMBLY.
What is the NSN for 643042?
643042 is cataloged in the U.S. Government catalog under NSN 4240-01-502-9714. 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.