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BACD40B003-120-3-4 — HOSE,AIR DUCT

✓ Government record, cited
— · PIPE SECTION
PRODUCT OVERVIEW

BACD40B003-120-3-4: HOSE,AIR DUCT.

The HOSE,AIR DUCT is a the manufacturer industrial component. Key specifications include material: FIBERGLASS AND RESIN ALL PLIES, wall_thickness: 0.020 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN, connection_type: PREFORMED FIRST END, inside_diameter: 0.750 INCHES NOMINAL FIRST END IN, connection_style: ROUND FIRST END, style_designator: FULLY CONVOLUTED. This part is cataloged in the U.S.

Government catalog under NSN 4720-01-199-3859, 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
BACD40B003-120-3-4
NSN: 4720-01-199-3859
FSC: 4720 — Hose and Flexible Tubing
CAGE: 99135 — FLEXCO, INC (USA)
SPECIFICATIONS
materialFIBERGLASS AND RESIN ALL PLIES
wall_thickness0.020 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN
connection_typePREFORMED FIRST END
inside_diameter0.750 INCHES NOMINAL FIRST END IN
connection_styleROUND FIRST END
style_designatorFULLY CONVOLUTED
features_providedOZONE RESISTANT
end_overall_length0.750 INCHES NOMINAL FIRST END IN
operating_pressure3.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
end_inside_diameter0.750 INCHES NOMINAL FIRST END IN
cross-sectional_shape_styleROUND
measuring_method_and_length30.000 INCHES NOMINAL OVERALL IN
NSN4720-01-199-3859
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: BACD40B003-120-3-4 · OEM ⚠ VERIFY BEFORE ORDERING Schedule = wall thickness, NOT pipe diameter. Sch 40 and Sch 80 have the same OD but different wall thickness. Nominal pipe size ≠ actual OD — a 1" pipe is actually 1.315" OD ✓ BROKER TIP Sch 40 = standard wall, Sch 80 = heavy wall (higher pressure), Sch 160 = extra heavy. Seamless pipe is required for high-pressure applications — welded pipe has lower ratings PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
MEASURING METHOD AND LENGTH: 30.000 INCHES NOMINAL OVERALL IN
•
MINIMUM INSIDE BENDING RADIUS: 0.750 INCHES IN
•
CONNECTION STYLE: ROUND FIRST END
•
CONNECTION TYPE: PREFORMED FIRST END
•
STYLE DESIGNATOR: FULLY CONVOLUTED
•
CROSS-SECTIONAL SHAPE STYLE: ROUND
•
WALL THICKNESS: 0.020 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN
•
OPERATING PRESSURE: 3.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
TECHNICAL CHARACTERISTICS
MEASURING METHOD AND LENGTH30.000 INCHES NOMINAL OVERALL IN
MINIMUM INSIDE BENDING RADIUS0.750 INCHES IN
CONNECTION STYLEROUND FIRST END
CONNECTION TYPEPREFORMED FIRST END
STYLE DESIGNATORFULLY CONVOLUTED
CROSS-SECTIONAL SHAPE STYLEROUND
WALL THICKNESS0.020 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN
OPERATING PRESSURE3.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
FEATURES PROVIDEDOZONE RESISTANT
INSIDE DIAMETER0.750 INCHES NOMINAL FIRST END IN
OTHER ITEMS IN FSC 4720 — Hose and Flexible Tubing
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4720-00-000-0080 4720-00-000-0081 4720-00-000-0084 4720-00-000-0724 4720-00-001-0014 4720-00-001-0015 4720-00-001-0023 4720-00-001-0025
SUBSTITUTES & CROSS-REFERENCES 1
BACD40B3-120-3-4Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 BACD40B003-120-3-4?
BACD40B003-120-3-4 is a HOSE,AIR DUCT.
What parts can replace BACD40B003-120-3-4?
There is 1 known substitute for BACD40B003-120-3-4: BACD40B3-120-3-4. Substitute compatibility should be verified for your specific system.
What is the NSN for BACD40B003-120-3-4?
BACD40B003-120-3-4 is cataloged in the U.S. Government catalog under NSN 4720-01-199-3859. 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.