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A-TT4-00331 — HOSE,PREFORMED

✓ Government record, cited
— · PIPE SECTION
PRODUCT OVERVIEW

A-TT4-00331: HOSE,PREFORMED.

The HOSE,PREFORMED is a the manufacturer industrial component. Key specifications include working_length: 4.000 INCHES NOMINAL IN, inside_diameter: 1.500 INCHES NOMINAL IN, style_designator: STRAIGHT, end_item_identification: F-35 AIRCRAFT SUPPORT EQUIPMENT, media_for_which_designed: COOLANT SINGLE RESPONSE, cross-sectional_shape_style: ROUND. This part is cataloged in the U.S.

Government catalog under NSN 4720-01-671-0407, 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
A-TT4-00331
NSN: 4720-01-671-0407
FSC: 4720 — Hose and Flexible Tubing
CAGE: 1TE71 — EAGLE INDUSTRIAL TRUCK MANUFACTURING, L.L.C. DIV EAGLE INDUSTRIAL TRUCK MFG LLC DBA EAGLE TUGS (USA)
SPECIFICATIONS
working_length4.000 INCHES NOMINAL IN
inside_diameter1.500 INCHES NOMINAL IN
style_designatorSTRAIGHT
end_item_identificationF-35 AIRCRAFT SUPPORT EQUIPMENT
media_for_which_designedCOOLANT SINGLE RESPONSE
cross-sectional_shape_styleROUND
part_name_assigned_by_controlling_agencyCOOLING HOSE, 1.5 X 4.0
NSN4720-01-671-0407
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: A-TT4-00331 · 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
•
STYLE DESIGNATOR: STRAIGHT
•
CROSS-SECTIONAL SHAPE STYLE: ROUND
•
INSIDE DIAMETER: 1.500 INCHES NOMINAL IN
•
MEDIA FOR WHICH DESIGNED: COOLANT SINGLE RESPONSE
•
WORKING LENGTH: 4.000 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORSTRAIGHT
CROSS-SECTIONAL SHAPE STYLEROUND
INSIDE DIAMETER1.500 INCHES NOMINAL IN
MEDIA FOR WHICH DESIGNEDCOOLANT SINGLE RESPONSE
PART NAME ASSIGNED BY CONTROLLING AGENCYCOOLING HOSE, 1.5 X 4.0
END ITEM IDENTIFICATIONF-35 AIRCRAFT SUPPORT EQUIPMENT
WORKING LENGTH4.000 INCHES NOMINAL 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

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 A-TT4-00331?
A-TT4-00331 is a HOSE,PREFORMED.
What is the NSN for A-TT4-00331?
A-TT4-00331 is cataloged in the U.S. Government catalog under NSN 4720-01-671-0407. 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.