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745746 — ELBOW,FLANGE TO TUBE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

745746: ELBOW,FLANGE TO TUBE.

The ELBOW,FLANGE TO TUBE is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY OVERALL, flow_angle: 90.0 DEGREES, leg_length: 2.148 INCHES MINIMUM AND 2.178 INCHES MAXIMUM SECOND END IN, seat_angle: 25.0 DEGREES FIRST END, flange_shape: TRIANGULAR WITH HOLES SECOND END, thread_class: 3A FIRST END A. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-040-3513, 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
745746
NSN: 4730-01-040-3513
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
materialALUMINUM ALLOY OVERALL
flow_angle90.0 DEGREES
leg_length2.148 INCHES MINIMUM AND 2.178 INCHES MAXIMUM SECOND END IN
seat_angle25.0 DEGREES FIRST END
flange_shapeTRIANGULAR WITH HOLES SECOND END
thread_class3A FIRST END A
nominal_length2.312 INCHES SECOND END IN
connection_typeFLANGE SECOND END
bolt_hole_quantity3 SECOND END
flange_face_designRAISED STRAIGHT SECOND END
nominal_thread_size1.500 INCHES FIRST END IN
thread_quantity_per_inch12 FIRST END
NSN4730-01-040-3513
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 745746 · 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: 90.0 DEGREES
•
FLANGE FACE DESIGN: RAISED STRAIGHT SECOND END
•
NOMINAL LENGTH: 2.312 INCHES SECOND END IN
•
BOLT CIRCLE NOMINAL DIAMETER: 1.898 INCHES SECOND END IN
•
CONNECTION TYPE: FLANGE SECOND END
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS4135 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS
FLANGE SHAPETRIANGULAR WITH HOLES SECOND END
FLOW ANGLE90.0 DEGREES
FLANGE FACE DESIGNRAISED STRAIGHT SECOND END
NOMINAL LENGTH2.312 INCHES SECOND END IN
BOLT CIRCLE NOMINAL DIAMETER1.898 INCHES SECOND END IN
CONNECTION TYPEFLANGE SECOND END
CONNECTION TYPETHREADED EXTERNAL TUBE FIRST END
MATERIAL DOCUMENT AND CLASSIFICATIONAMS4135 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
BOLT HOLE NOMINAL DIAMETER0.281 INCHES SECOND END IN
LEG LENGTH2.148 INCHES MINIMUM AND 2.178 INCHES MAXIMUM SECOND 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 demandDemilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is 745746?
745746 is a ELBOW,FLANGE TO TUBE.
What is the NSN for 745746?
745746 is cataloged in the U.S. Government catalog under NSN 4730-01-040-3513. This indicates validated use in U.S. government and defense supply chains.
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