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745744 — ELBOW,FLANGE TO TUBE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

745744: ELBOW,FLANGE TO TUBE.

The ELBOW,FLANGE TO TUBE is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 2014 OVERALL, flow_angle: 45.0 DEGREES, leg_length: 1.630 INCHES MAXIMUM SECOND END IN, flange_shape: TRIANGULAR WITH HOLES SECOND END, thread_class: 3A FIRST END A, nominal_width: 2.586 INCHES SECOND END IN. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-012-5661, 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
745744
NSN: 4730-01-012-5661
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 2014 OVERALL
flow_angle45.0 DEGREES
leg_length1.630 INCHES MAXIMUM SECOND END IN
flange_shapeTRIANGULAR WITH HOLES SECOND END
thread_class3A FIRST END A
nominal_width2.586 INCHES SECOND END IN
nominal_length3.062 INCHES SECOND END IN
connection_typeFLANGE SECOND END
bolt_hole_quantity3 SECOND END
nominal_thread_size1.500 INCHES FIRST END IN
thread_quantity_per_inch12 FIRST END
thread_series_designatorUNS FIRST END
NSN4730-01-012-5661
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 745744 · 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
•
FLANGE SHAPE: TRIANGULAR WITH HOLES SECOND END
•
FLOW ANGLE: 45.0 DEGREES
•
NOMINAL LENGTH: 3.062 INCHES SECOND END IN
•
CONNECTION TYPE: FLANGE SECOND END
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 4135 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
BOLT HOLE NOMINAL DIAMETER: 0.344 INCHES SECOND END IN
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 1.320 INCHES FIRST END IN
TECHNICAL CHARACTERISTICS
FLANGE SHAPETRIANGULAR WITH HOLES SECOND END
FLOW ANGLE45.0 DEGREES
NOMINAL LENGTH3.062 INCHES SECOND END IN
CONNECTION TYPEFLANGE SECOND END
CONNECTION TYPETHREADED EXTERNAL TUBE FIRST END
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 4135 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
BOLT HOLE NOMINAL DIAMETER0.344 INCHES SECOND END IN
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED1.320 INCHES FIRST END IN
LEG LENGTH1.630 INCHES MAXIMUM SECOND END IN
LEG LENGTH2.450 INCHES MINIMUM AND 2.470 INCHES MAXIMUM 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

No substitute or cross-reference records for this part.

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 745744?
745744 is a ELBOW,FLANGE TO TUBE.
What is the NSN for 745744?
745744 is cataloged in the U.S. Government catalog under NSN 4730-01-012-5661. This indicates validated use in U.S. government and defense supply chains.
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