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AP378T080804 — TEE,TUBE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

AP378T080804: TEE,TUBE.

The TEE,TUBE is a the manufacturer industrial component. Key specifications include material: TITANIUM ALLOY OVERALL, leg_length: 0.791 INCHES NOMINAL THIRD END IN, seat_angle: 8.5 DEGREES FIRST END, thread_class: 3B FIRST END, connection_type: THREADED EXTERNAL TUBE THIRD END, connection_style: INVERTED FLARE (TUBE) THIRD END. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-516-1107, 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
AP378T080804
NSN: 4730-00-516-1107
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 01673 — SPS TECHNOLOGIES, LLC DBA AIRDROME PRECISION COMPONENTS (USA)
SPECIFICATIONS
materialTITANIUM ALLOY OVERALL
leg_length0.791 INCHES NOMINAL THIRD END IN
seat_angle8.5 DEGREES FIRST END
thread_class3B FIRST END
connection_typeTHREADED EXTERNAL TUBE THIRD END
connection_styleINVERTED FLARE (TUBE) THIRD END
nominal_thread_size0.719 INCHES SECOND END IN
end_item_identification55N AIRCRAFT, HARRIER AV-8B
thread_quantity_per_inch20 ALL ENDS
thread_series_designatorUNJS ALL ENDS
material_document_and_classificationAMS 4965,6AL-4V ASSN STD SINGLE MATERIAL RESPONSE OVERALL V
nominal_outside_diameter_tube_accommodated0.250 INCHES THIRD END IN
NSN4730-00-516-1107
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: AP378T080804 · OEM ⚠ VERIFY BEFORE ORDERING NPT ≠ BSPT — tapered threads look identical but are NOT interchangeable. Wrong thread = leak. JIC (37°) ≠ AN (37°) ≠ SAE 45° — flare angles must match exactly. Measure thread pitch with gauge — visual identification is unreliable ✓ BROKER TIP Always use thread sealant (PTFE tape or pipe compound) on tapered threads (NPT/BSPT). JIC/AN flare fittings seal metal-to-metal — never use tape on flare connections PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
CONNECTION STYLE: INVERTED FLARE (TUBE) THIRD END
•
CONNECTION TYPE: THREADED EXTERNAL TUBE THIRD END
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 4965,6AL-4V ASSN STD SINGLE MATERIAL RESPONSE OVERALL V
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.500 INCHES SECOND END IN
TECHNICAL CHARACTERISTICS
CONNECTION STYLEINVERTED FLARE (TUBE) THIRD END
CONNECTION STYLESWIVEL NUT INVERTED FLARE (TUBE) FIRST END
CONNECTION STYLEINVERTED FLARE (TUBE) SECOND END
CONNECTION TYPETHREADED EXTERNAL TUBE THIRD END
CONNECTION TYPETHREADED EXTERNAL TUBE SECOND END
CONNECTION TYPETHREADED INTERNAL TUBE FIRST END
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 4965,6AL-4V ASSN STD SINGLE MATERIAL RESPONSE OVERALL V
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.500 INCHES SECOND END IN
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.250 INCHES THIRD END IN
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.500 INCHES FIRST END IN
OTHER ITEMS IN FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4730-00-000-1895 4730-00-000-4289 4730-00-000-4445 4730-00-000-8373 4730-00-000-8897 4730-00-001-0007 4730-00-001-0008
SUBSTITUTES & CROSS-REFERENCES 2
R45133T-080804Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
ST7M231T080804Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is AP378T080804?
AP378T080804 is a TEE,TUBE.
What parts can replace AP378T080804?
There are 2 known substitutes for AP378T080804: R45133T-080804, ST7M231T080804. Substitute compatibility should be verified for your specific system.
What is the NSN for AP378T080804?
AP378T080804 is cataloged in the U.S. Government catalog under NSN 4730-00-516-1107. 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.