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AS1544-16A0252 — HOSE,AIR DUCT

✓ Government record, cited
— · PIPE SECTION
PRODUCT OVERVIEW

AS1544-16A0252: HOSE,AIR DUCT.

The HOSE,AIR DUCT is a the manufacturer industrial component. Key specifications include material: RUBBER AND FIBERGLASS ALL PLIES, hose_weight: 1.60 OUNCES PER LINEAR FOOT OZ, temp_rating: 121.0 CELSIUS DEGC, outside_length: 25.0 INCHES NOMINAL BOTH ENDS IN, connection_type: FLANGE FIRST END, inside_diameter: 4.0 INCHES NOMINAL FIRST END IN. This part is cataloged in the U.S.

Government catalog under NSN 4720-01-690-3777, 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
AS1544-16A0252
NSN: 4720-01-690-3777
FSC: 4720 — Hose and Flexible Tubing
CAGE: 0U583 — SAE INTERNATIONAL DBA SAE INTERNATIONAL (USA)
SPECIFICATIONS
materialRUBBER AND FIBERGLASS ALL PLIES
hose_weight1.60 OUNCES PER LINEAR FOOT OZ
temp_rating121.0 CELSIUS DEGC
outside_length25.0 INCHES NOMINAL BOTH ENDS IN
connection_typeFLANGE FIRST END
inside_diameter4.0 INCHES NOMINAL FIRST END IN
connection_styleROUND BOTH ENDS
outside_diameter4.4 INCHES NOMINAL SECOND END IN
style_designatorHELICALLY WOUND CONTINOUS WIRE SUPPORTED
end_overall_length25.0 INCHES NOMINAL BOTH ENDS IN
operating_pressure3.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
end_inside_diameter4.4 INCHES NOMINAL FIRST END IN
NSN4720-01-690-3777
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: AS1544-16A0252 · 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
•
HOSE WEIGHT: 1.60 OUNCES PER LINEAR FOOT OZ
•
MEASURING METHOD AND LENGTH: 25.0 INCHES NOMINAL OVERALL IN
•
TEMP RATING: 121.0 CELSIUS DEGC
•
OUTSIDE LENGTH: 25.0 INCHES NOMINAL BOTH ENDS IN
•
CONNECTION STYLE: ROUND BOTH ENDS
•
CONNECTION TYPE: FLANGE FIRST END
•
STYLE DESIGNATOR: HELICALLY WOUND CONTINOUS WIRE SUPPORTED
•
MATERIAL DOCUMENT AND CLASSIFICATION: A1501 ASSN STD SINGLE MATERIAL RESPONSE ALL PLIES
TECHNICAL CHARACTERISTICS
HOSE WEIGHT1.60 OUNCES PER LINEAR FOOT OZ
MEASURING METHOD AND LENGTH25.0 INCHES NOMINAL OVERALL IN
TEMP RATING121.0 CELSIUS DEGC
OUTSIDE LENGTH25.0 INCHES NOMINAL BOTH ENDS IN
CONNECTION STYLEROUND BOTH ENDS
CONNECTION TYPEFLANGE FIRST END
STYLE DESIGNATORHELICALLY WOUND CONTINOUS WIRE SUPPORTED
MATERIAL DOCUMENT AND CLASSIFICATIONA1501 ASSN STD SINGLE MATERIAL RESPONSE ALL PLIES
CROSS-SECTIONAL SHAPE STYLEROUND
OUTSIDE DIAMETER4.4 INCHES NOMINAL SECOND 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
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 AS1544-16A0252?
AS1544-16A0252 is a HOSE,AIR DUCT.
What parts can replace AS1544-16A0252?
There is 1 known substitute for AS1544-16A0252: SAE-AS1501. Substitute compatibility should be verified for your specific system.
What is the NSN for AS1544-16A0252?
AS1544-16A0252 is cataloged in the U.S. Government catalog under NSN 4720-01-690-3777. 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.