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2448729-3 — ELBOW,TUBE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

2448729-3: ELBOW,TUBE.

The ELBOW,TUBE is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY OVERALL, flow_angle: 90.0 DEGREES, leg_length: 1.890 INCHES NOMINAL SECOND END IN, seat_angle: 37.0 DEGREES FIRST END, thread_class: 3B FIRST END, connection_type: UNTHREADED EXTERNAL TUBE SECOND END. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-730-1548, 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
2448729-3
NSN: 4730-00-730-1548
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialALUMINUM ALLOY OVERALL
flow_angle90.0 DEGREES
leg_length1.890 INCHES NOMINAL SECOND END IN
seat_angle37.0 DEGREES FIRST END
thread_class3B FIRST END
connection_typeUNTHREADED EXTERNAL TUBE SECOND END
connection_styleSWIVEL NUT, FLARE (TUBE) STYLE 3 OPTIONAL END FIRST END
nominal_thread_size0.750 INCHES FIRST END IN
thread_series_designatorUNF FIRST END
furnished_items_and_quantity1 INVERTED NUT
nominal_outside_diameter_tube_accommodated0.500 INCHES FIRST END IN
NSN4730-00-730-1548
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 2448729-3 · 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
•
FURNISHED ITEMS AND QUANTITY: 1 INVERTED NUT
•
FLOW ANGLE: 90.0 DEGREES
•
CONNECTION STYLE: SWIVEL NUT, FLARE (TUBE) STYLE 3 OPTIONAL END FIRST END
•
CONNECTION TYPE: UNTHREADED EXTERNAL TUBE SECOND END
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.500 INCHES SECOND END IN
TECHNICAL CHARACTERISTICS
FURNISHED ITEMS AND QUANTITY1 INVERTED NUT
FLOW ANGLE90.0 DEGREES
CONNECTION STYLESWIVEL NUT, FLARE (TUBE) STYLE 3 OPTIONAL END FIRST END
CONNECTION STYLEPLAIN (TUBE) SECOND END
CONNECTION TYPEUNTHREADED EXTERNAL TUBE SECOND END
CONNECTION TYPETHREADED INTERNAL TUBE FIRST END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.500 INCHES SECOND END IN
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.500 INCHES FIRST END IN
LEG LENGTH1.890 INCHES NOMINAL SECOND END IN
NOMINAL THREAD SIZE0.750 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 3
137-1090-8DReference document
Same NSN cross-reference
Reference document — Secondary reference
2448729PC3Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
8791-8DReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 2448729-3?
2448729-3 is a ELBOW,TUBE.
What parts can replace 2448729-3?
There are 3 known substitutes for 2448729-3: 137-1090-8D, 2448729PC3, 8791-8D. Substitute compatibility should be verified for your specific system.
What is the NSN for 2448729-3?
2448729-3 is cataloged in the U.S. Government catalog under NSN 4730-00-730-1548. This indicates validated use in U.S. government and defense supply chains.
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