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2001-20-0040-08 — HOSE,AIR DUCT

✓ Government record, cited
— · PIPE SECTION
PRODUCT OVERVIEW

2001-20-0040-08: HOSE,AIR DUCT.

The HOSE,AIR DUCT is a the manufacturer industrial component. Key specifications include material: FIBERGLASS AND RUBBER SILICONE CLASS Q COVER, connection_type: SOFT BOTH ENDS, inside_diameter: 2.500 INCHES NOMINAL FIRST END IN, connection_style: ROUND BOTH ENDS, style_designator: FULLY CONVOLUTED W/ WIRE RINGS BETWEEN CONVOLUTIONS, end_overall_length: 2.000 INCHES NOMINAL BOTH ENDS IN. This part is cataloged in the U.S.

Government catalog under NSN 4720-01-449-1114, 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
2001-20-0040-08
NSN: 4720-01-449-1114
FSC: 4720 — Hose and Flexible Tubing
CAGE: 16632 — FLEXFAB LLC (USA)
SPECIFICATIONS
materialFIBERGLASS AND RUBBER SILICONE CLASS Q COVER
connection_typeSOFT BOTH ENDS
inside_diameter2.500 INCHES NOMINAL FIRST END IN
connection_styleROUND BOTH ENDS
style_designatorFULLY CONVOLUTED W/ WIRE RINGS BETWEEN CONVOLUTIONS
end_overall_length2.000 INCHES NOMINAL BOTH ENDS IN
end_inside_diameter2.500 INCHES NOMINAL BOTH ENDS IN
end_item_identification2350-01-081-8138
cross-sectional_shape_styleROUND
measuring_method_and_length10.000 INCHES NOMINAL OVERALL IN
minimum_inside_bending_radius1.250 INCHES IN
material_document_and_classificationMIL-H-62028,TYPE1,CLASS2 MIL SPEC ALL MATERIAL RESPONSES ALL PLIES
NSN4720-01-449-1114
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: 2001-20-0040-08 · 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: 10.000 INCHES NOMINAL OVERALL IN
•
MINIMUM INSIDE BENDING RADIUS: 1.250 INCHES IN
•
CONNECTION STYLE: ROUND BOTH ENDS
•
CONNECTION TYPE: SOFT BOTH ENDS
•
STYLE DESIGNATOR: FULLY CONVOLUTED W/ WIRE RINGS BETWEEN CONVOLUTIONS
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-H-62028,TYPE1,CLASS2 MIL SPEC ALL MATERIAL RESPONSES ALL PLIES
•
CROSS-SECTIONAL SHAPE STYLE: ROUND
•
INSIDE DIAMETER: 2.500 INCHES NOMINAL FIRST END IN
TECHNICAL CHARACTERISTICS
MEASURING METHOD AND LENGTH10.000 INCHES NOMINAL OVERALL IN
MINIMUM INSIDE BENDING RADIUS1.250 INCHES IN
CONNECTION STYLEROUND BOTH ENDS
CONNECTION TYPESOFT BOTH ENDS
STYLE DESIGNATORFULLY CONVOLUTED W/ WIRE RINGS BETWEEN CONVOLUTIONS
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-H-62028,TYPE1,CLASS2 MIL SPEC ALL MATERIAL RESPONSES ALL PLIES
CROSS-SECTIONAL SHAPE STYLEROUND
INSIDE DIAMETER2.500 INCHES NOMINAL FIRST END IN
END OVERALL LENGTH2.000 INCHES NOMINAL BOTH ENDS IN
END INSIDE DIAMETER2.500 INCHES NOMINAL BOTH ENDS IN
SUBSTITUTES & CROSS-REFERENCES 2
5419055-8Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
5419055Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
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 2001-20-0040-08?
2001-20-0040-08 is a HOSE,AIR DUCT.
What parts can replace 2001-20-0040-08?
There are 2 known substitutes for 2001-20-0040-08: 5419055-8, 5419055. Substitute compatibility should be verified for your specific system.
What is the NSN for 2001-20-0040-08?
2001-20-0040-08 is cataloged in the U.S. Government catalog under NSN 4720-01-449-1114. This indicates validated use in U.S. government and defense supply chains.
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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.