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AS1503-05B0081 — HOSE,AIR DUCT

✓ Government record, cited
— · PIPE SECTION
PRODUCT OVERVIEW

AS1503-05B0081: HOSE,AIR DUCT.

The HOSE,AIR DUCT is a the manufacturer industrial component. Key specifications include material: STEEL COVER, inside_diameter: 1.25 INCHES NOMINAL BOTH ENDS IN, special_features: GRADE B, MAX WEIGHT 0.16LBS LBS, style_designator: HELICALLY WOUND CONTINOUS WIRE SUPPORTED, measuring_method_and_length: 8.0 INCHES NOMINAL OVERALL IN, part_name_assigned_by_controlling_agency: HOSE, AIR DUCT. This part is cataloged in the U.S.

Government catalog under NSN 4720-01-645-3240, 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
AS1503-05B0081
NSN: 4720-01-645-3240
FSC: 4720 — Hose and Flexible Tubing
CAGE: 0U583 — SAE INTERNATIONAL DBA SAE INTERNATIONAL (USA)
SPECIFICATIONS
materialSTEEL COVER
inside_diameter1.25 INCHES NOMINAL BOTH ENDS IN
special_featuresGRADE B, MAX WEIGHT 0.16LBS LBS
style_designatorHELICALLY WOUND CONTINOUS WIRE SUPPORTED
measuring_method_and_length8.0 INCHES NOMINAL OVERALL IN
part_name_assigned_by_controlling_agencyHOSE, AIR DUCT
NSN4720-01-645-3240
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: AS1503-05B0081 · 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: 8.0 INCHES NOMINAL OVERALL IN
•
STYLE DESIGNATOR: HELICALLY WOUND CONTINOUS WIRE SUPPORTED
•
INSIDE DIAMETER: 1.25 INCHES NOMINAL BOTH ENDS IN
•
MATERIAL: STEEL COVER
TECHNICAL CHARACTERISTICS
MEASURING METHOD AND LENGTH8.0 INCHES NOMINAL OVERALL IN
STYLE DESIGNATORHELICALLY WOUND CONTINOUS WIRE SUPPORTED
INSIDE DIAMETER1.25 INCHES NOMINAL BOTH ENDS IN
SPECIAL FEATURESGRADE B, MAX WEIGHT 0.16LBS LBS
PART NAME ASSIGNED BY CONTROLLING AGENCYHOSE, AIR DUCT
MATERIALSTEEL COVER
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
SAE-AS1501Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is AS1503-05B0081?
AS1503-05B0081 is a HOSE,AIR DUCT.
What parts can replace AS1503-05B0081?
There is 1 known substitute for AS1503-05B0081: SAE-AS1501. Substitute compatibility should be verified for your specific system.
What is the NSN for AS1503-05B0081?
AS1503-05B0081 is cataloged in the U.S. Government catalog under NSN 4720-01-645-3240. 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.