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BACD40D — DUCT ASSEMBLY,AIR CONDITIONING-H

✓ Government record, cited
— · PIPE SECTION
PRODUCT OVERVIEW

BACD40D: DUCT ASSEMBLY,AIR CONDITIONING-H.

DUCT ASSEMBLY,AIR CONDITIONING-H. Key specifications include material: RUBBER CHLOROPRENE CLASS CR AND FIBERGLASS SINGLE PLY, temp_rating: 300.0 FAHRENHEIT DEGF, wall_thickness: 0.040 INCHES NOMINAL IN, connection_type: PLAIN BOTH ENDS, inside_diameter: 6.000 INCHES NOMINAL BOTH ENDS IN, connection_style: ROUND BOTH ENDS. This part is cataloged in the U.S.

Government catalog under NSN 4720-00-135-6283, 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
BACD40D
NSN: 4720-00-135-6283
NIINs: 001356283, 001554768, 003174106, 004438414, 007923255, 008503252, 010475516, 010475586, 010475587, 010475588, 010475589, 010475594, 010475596, 010475598, 010475599, 010475600, 010475994, 010475997, 010475998, 010476000, 010476001, 010476481, 010477100, 010477101, 010478642, 010478648, 010478649, 010478650, 010478653, 010480844, 010483499, 010483502, 010483504, 010483506, 010483509, 010483818, 010485949, 011183930, 011306680, 011493331, 011679138, 011681970, 012096025, 012120962, 012126838, 012167685, 012555342, 012697931, 013156676, 013657030, 014220287, 014220288, 014220292, 014806837, 014806847, 015458826, 015462226, 017289976
FSC: 4720 — Hose and Flexible Tubing
CAGE: 81205 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
materialRUBBER CHLOROPRENE CLASS CR AND FIBERGLASS SINGLE PLY
temp_rating300.0 FAHRENHEIT DEGF
wall_thickness0.040 INCHES NOMINAL IN
connection_typePLAIN BOTH ENDS
inside_diameter6.000 INCHES NOMINAL BOTH ENDS IN
connection_styleROUND BOTH ENDS
special_featuresMATERIAL: COATED FABRIC (REFER TO BMS8-17), LEAKAGE: .005
style_designatorSLEEVE SECTION
features_providedSTOWAGE DEVICE
operating_pressure1.5 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
end_item_identificationAIRCRAFT,AWACS,E-3A A
cross-sectional_shape_styleROUND
NSN4720-00-135-6283
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: BACD40D · 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: 3.500 INCHES NOMINAL OVERALL IN
•
CONNECTION TYPE: PLAIN FIRST END
•
STYLE DESIGNATOR: SLEEVE SECTION
•
CROSS-SECTIONAL SHAPE STYLE: ROUND
•
OPERATING PRESSURE: 60.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
•
INSIDE DIAMETER: 7.750 INCHES NOMINAL FIRST END IN
•
MATERIAL: COTTON SINGLE PLY
TECHNICAL CHARACTERISTICS
MEASURING METHOD AND LENGTH3.500 INCHES NOMINAL OVERALL IN
CONNECTION TYPEPLAIN FIRST END
STYLE DESIGNATORSLEEVE SECTION
CROSS-SECTIONAL SHAPE STYLEROUND
OPERATING PRESSURE60.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
INSIDE DIAMETER7.750 INCHES NOMINAL FIRST END IN
MATERIALCOTTON SINGLE PLY
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
BACD40D31-14-36Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is BACD40D?
BACD40D is a DUCT ASSEMBLY,AIR CONDITIONING-H.
What parts can replace BACD40D?
There is 1 known substitute for BACD40D: BACD40D31-14-36. Substitute compatibility should be verified for your specific system.
What is the NSN for BACD40D?
BACD40D is cataloged in the U.S. Government catalog under NSN 4720-00-135-6283. 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.