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7M637BX-40 — TEE,TUBE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

7M637BX-40: TEE,TUBE.

The TEE,TUBE is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY OVERALL, leg_length: 3.105 INCHES NOMINAL SECOND END IN, seat_angle: 37.0 DEGREES ALL ENDS, thread_class: 3A THIRD END BULKHEAD A, connection_type: THREADED EXTERNAL TUBE ALL ENDS, connection_style: FLARED (TUBE) ALL ENDS. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-149-2014, 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
7M637BX-40
NSN: 4730-01-149-2014
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
materialALUMINUM ALLOY OVERALL
leg_length3.105 INCHES NOMINAL SECOND END IN
seat_angle37.0 DEGREES ALL ENDS
thread_class3A THIRD END BULKHEAD A
connection_typeTHREADED EXTERNAL TUBE ALL ENDS
connection_styleFLARED (TUBE) ALL ENDS
surface_treatmentALUMINUM OVERALL
nominal_thread_size3.000 INCHES ALL ENDS IN
thread_quantity_per_inch12 THIRD END BULKHEAD
thread_series_designatorUNIFIED NATIONAL JOINT (UNJ) THIRD END BULKHEAD
nominal_outside_diameter_tube_accommodated2.500 INCHES ALL ENDS IN
NSN4730-01-149-2014
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 7M637BX-40 · 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: FLARED (TUBE) ALL ENDS
•
CONNECTION TYPE: THREADED EXTERNAL TUBE ALL ENDS
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 2.500 INCHES ALL ENDS IN
•
LEG LENGTH: 3.105 INCHES NOMINAL FIRST END IN
•
NOMINAL THREAD SIZE: 3.000 INCHES ALL ENDS IN
TECHNICAL CHARACTERISTICS
CONNECTION STYLEFLARED (TUBE) ALL ENDS
CONNECTION TYPETHREADED EXTERNAL TUBE ALL ENDS
CONNECTION TYPETHREADED EXTERNAL TUBE THIRD END BULKHEAD
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED2.500 INCHES ALL ENDS IN
LEG LENGTH3.105 INCHES NOMINAL FIRST END IN
LEG LENGTH3.105 INCHES NOMINAL SECOND END IN
LEG LENGTH4.812 INCHES NOMINAL THIRD END IN
NOMINAL THREAD SIZE3.000 INCHES ALL ENDS IN
NOMINAL THREAD SIZE3.000 INCHES THIRD END BULKHEAD IN
SEAT ANGLE37.0 DEGREES ALL ENDS
SUBSTITUTES & CROSS-REFERENCES 1
7M637BX-4DReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
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 7M637BX-40?
7M637BX-40 is a TEE,TUBE.
What parts can replace 7M637BX-40?
There is 1 known substitute for 7M637BX-40: 7M637BX-4D. Substitute compatibility should be verified for your specific system.
What is the NSN for 7M637BX-40?
7M637BX-40 is cataloged in the U.S. Government catalog under NSN 4730-01-149-2014. This indicates validated use in U.S. government and defense supply chains.
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