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5409K73 — HOSE,AIR DUCT

✓ Government record, cited
— · PIPE SECTION
PRODUCT OVERVIEW

5409K73: HOSE,AIR DUCT.

The HOSE,AIR DUCT is a the manufacturer industrial component. Key specifications include special_features: C-130 HERCULES, style_designator: HELICALLY WOUND CONTINOUS WIRE SUPPORTED, measuring_method_and_length: 144.000 INCHES NOMINAL OVERALL IN. This part is cataloged in the U.S.

Government catalog under NSN 4720-01-412-6331, 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
5409K73
NSN: 4720-01-412-6331
FSC: 4720 — Hose and Flexible Tubing
CAGE: 64326 — VANDERVEER INDUSTRIAL PLASTICS, LLC (USA)
SPECIFICATIONS
special_featuresC-130 HERCULES
style_designatorHELICALLY WOUND CONTINOUS WIRE SUPPORTED
measuring_method_and_length144.000 INCHES NOMINAL OVERALL IN
NSN4720-01-412-6331
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: 5409K73 · 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: 144.000 INCHES NOMINAL OVERALL IN
•
STYLE DESIGNATOR: HELICALLY WOUND CONTINOUS WIRE SUPPORTED
TECHNICAL CHARACTERISTICS
MEASURING METHOD AND LENGTH144.000 INCHES NOMINAL OVERALL IN
STYLE DESIGNATORHELICALLY WOUND CONTINOUS WIRE SUPPORTED
SPECIAL FEATURESC-130 HERCULES
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

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 5409K73?
5409K73 is a HOSE,AIR DUCT.
What is the NSN for 5409K73?
5409K73 is cataloged in the U.S. Government catalog under NSN 4720-01-412-6331. 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.