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20LFBT — HOSE,AIR DUCT,AIR BREATHING

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

20LFBT: HOSE,AIR DUCT,AIR BREATHING.

The HOSE,AIR DUCT,AIR BREATHING is a the manufacturer industrial component. Key specifications include special_features: BREATHING TUBE FOR LOOSE FITTING FACEPIECE, NIPPLE NOT INCLUDED. This part is cataloged in the U.S.

Government catalog under NSN 4240-01-501-0684, 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
20LFBT
NSN: 4240-01-501-0684
FSC: 4240 — Safety and Rescue Equipment
CAGE: 09729 — E. D. BULLARD COMPANY DBA ED BULLARD CO (USA)
SPECIFICATIONS
special_featuresBREATHING TUBE FOR LOOSE FITTING FACEPIECE, NIPPLE NOT INCLUDED
NSN4240-01-501-0684
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available HOSE,AIR DUCT,AIR BREATHING TITLE COMPONENT PN 20LFBT MFR HOSE,AIR DUCT,AIR BREA
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESBREATHING TUBE FOR LOOSE FITTING FACEPIECE, NIPPLE NOT INCLUDED
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
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 20LFBT?
20LFBT is a HOSE,AIR DUCT,AIR BREATHING.
What is the NSN for 20LFBT?
20LFBT is cataloged in the U.S. Government catalog under NSN 4240-01-501-0684. 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.