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3F333 — HOSE,AIR DUCT

✓ Government record, cited
— · PIPE SECTION
PRODUCT OVERVIEW

3F333: HOSE,AIR DUCT.

The HOSE,AIR DUCT is a the manufacturer industrial component. Key specifications include temp_rating: -20.0 FAHRENHEIT AND 180.0 FAHRENHEIT DEGF, wall_thickness: 0.125 INCHES NOMINAL IN, inside_diameter: 4.0 INCHES NOMINAL BOTH ENDS IN, end_item_identification: 6640015864078, measuring_method_and_length: 25.0 FEET NOMINAL OVERALL FT, part_name_assigned_by_controlling_agency: NONINSULATED FLEXIBLE DUCT. This part is cataloged in the U.S.

Government catalog under NSN 4720-01-630-4978, 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
3F333
NSN: 4720-01-630-4978
FSC: 4720 — Hose and Flexible Tubing
CAGE: 5ASU0 — ATCO RUBBER PRODUCTS INC (USA)
SPECIFICATIONS
temp_rating-20.0 FAHRENHEIT AND 180.0 FAHRENHEIT DEGF
wall_thickness0.125 INCHES NOMINAL IN
inside_diameter4.0 INCHES NOMINAL BOTH ENDS IN
end_item_identification6640015864078
measuring_method_and_length25.0 FEET NOMINAL OVERALL FT
part_name_assigned_by_controlling_agencyNONINSULATED FLEXIBLE DUCT
NSN4720-01-630-4978
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: 3F333 · 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: 25.0 FEET NOMINAL OVERALL FT
•
TEMP RATING: -20.0 FAHRENHEIT AND 180.0 FAHRENHEIT DEGF
•
WALL THICKNESS: 0.125 INCHES NOMINAL IN
•
INSIDE DIAMETER: 4.0 INCHES NOMINAL BOTH ENDS IN
TECHNICAL CHARACTERISTICS
MEASURING METHOD AND LENGTH25.0 FEET NOMINAL OVERALL FT
TEMP RATING-20.0 FAHRENHEIT AND 180.0 FAHRENHEIT DEGF
WALL THICKNESS0.125 INCHES NOMINAL IN
INSIDE DIAMETER4.0 INCHES NOMINAL BOTH ENDS IN
PART NAME ASSIGNED BY CONTROLLING AGENCYNONINSULATED FLEXIBLE DUCT
END ITEM IDENTIFICATION6640015864078
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 3F333?
3F333 is a HOSE,AIR DUCT.
What is the NSN for 3F333?
3F333 is cataloged in the U.S. Government catalog under NSN 4720-01-630-4978. 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.