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DPL4321 — TEE,TUBE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

DPL4321: TEE,TUBE.

The TEE,TUBE is a the manufacturer industrial component. Key specifications include material: TITANIUM ALLOY OVERALL, leg_length: 1.180 INCHES NOMINAL THIRD END IN, seat_angle: 18.0 DEGREES FIRST END, thread_class: 3B FIRST END, connection_type: UNTHREADED INTERNAL TUBE SECOND END, connection_style: SWAGED W/ GROOVES (TUBE) THIRD END. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-444-3767, 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
DPL4321
NSN: 4730-01-444-3767
NIINs: 014443767, 014538569
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 14798 — DESIGNED METAL CONNECTIONS INC DBA PERMASWAGE USA DIV PERMASWAGE, A PCC COMPANY (USA)
SPECIFICATIONS
materialTITANIUM ALLOY OVERALL
leg_length1.180 INCHES NOMINAL THIRD END IN
seat_angle18.0 DEGREES FIRST END
thread_class3B FIRST END
connection_typeUNTHREADED INTERNAL TUBE SECOND END
connection_styleSWAGED W/ GROOVES (TUBE) THIRD END
special_featuresINTERNAL BORE POLYTETRAFLUOROETHYLENE (PTFE) COATED TO FIRST GROOVE
nominal_thread_size0.750 INCHES FIRST END IN
end_item_identificationC-17A AIRCRAFT. A
thread_quantity_per_inch16 FIRST END
thread_series_designatorUNIFIED NATIONAL JOINT FINE (UNJF) FIRST END
nominal_outside_diameter_tube_accommodated0.500 INCHES SECOND END IN
NSN4730-01-444-3767
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: DPL4321 · 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: SWIVEL NUT, FLARELESS (SWIVEL NUT ATTACHMENT METHOD OPTIONAL) (TUBE) FIRST END
•
CONNECTION TYPE: UNTHREADED INTERNAL TUBE SECOND END
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.500 INCHES SECOND END IN
TECHNICAL CHARACTERISTICS
CONNECTION STYLESWIVEL NUT, FLARELESS (SWIVEL NUT ATTACHMENT METHOD OPTIONAL) (TUBE) FIRST END
CONNECTION STYLESWAGED W/ GROOVES (TUBE) SECOND END
CONNECTION STYLESWAGED W/ GROOVES (TUBE) THIRD END
CONNECTION TYPEUNTHREADED INTERNAL TUBE SECOND END
CONNECTION TYPETHREADED INTERNAL TUBE FIRST END
CONNECTION TYPEUNTHREADED INTERNAL TUBE THIRD END
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
LEG LENGTH1.180 INCHES NOMINAL THIRD END IN
SUBSTITUTES & CROSS-REFERENCES 1
7D0478T08-08-04Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 DPL4321?
DPL4321 is a TEE,TUBE.
What parts can replace DPL4321?
There is 1 known substitute for DPL4321: 7D0478T08-08-04. Substitute compatibility should be verified for your specific system.
What is the NSN for DPL4321?
DPL4321 is cataloged in the U.S. Government catalog under NSN 4730-01-444-3767. This indicates validated use in U.S. government and defense supply chains.
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