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7M637B4-6D — ELBOW,TUBE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

7M637B4-6D: ELBOW,TUBE.

The ELBOW,TUBE is a the manufacturer industrial component. Key specifications include material: ALUMINUM OVERALL, flow_angle: 45.0 DEGREES, leg_length: 1.672 INCHES NOMINAL FIRST END IN, seat_angle: 37.0 DEGREES ALL ENDS, thread_class: 3A FIRST END BULKHEAD A, connection_type: THREADED EXTERNAL TUBE ALL ENDS. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-155-5045, 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
7M637B4-6D
NSN: 4730-01-155-5045
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
materialALUMINUM OVERALL
flow_angle45.0 DEGREES
leg_length1.672 INCHES NOMINAL FIRST END IN
seat_angle37.0 DEGREES ALL ENDS
thread_class3A FIRST END BULKHEAD A
connection_typeTHREADED EXTERNAL TUBE ALL ENDS
connection_styleFLARED (TUBE) ALL ENDS
surface_treatmentALUMINUM OVERALL
nominal_thread_size0.562 INCHES ALL ENDS IN
thread_series_designatorUNIFIED NATIONAL JOINT FINE (UNJF) ALL ENDS
material_document_and_classificationMIL-C-83488 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
nominal_outside_diameter_tube_accommodated0.375 INCHES ALL ENDS IN
NSN4730-01-155-5045
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 7M637B4-6D · 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
•
FLOW ANGLE: 45.0 DEGREES
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-C-83488,TYPE 2,CLASS 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
•
CONNECTION STYLE: FLARED (TUBE) ALL ENDS
•
CONNECTION TYPE: THREADED EXTERNAL TUBE FIRST END BULKHEAD
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-C-83488 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.375 INCHES ALL ENDS IN
•
LEG LENGTH: 1.672 INCHES NOMINAL FIRST END IN
TECHNICAL CHARACTERISTICS
FLOW ANGLE45.0 DEGREES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-C-83488,TYPE 2,CLASS 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
CONNECTION STYLEFLARED (TUBE) ALL ENDS
CONNECTION TYPETHREADED EXTERNAL TUBE FIRST END BULKHEAD
CONNECTION TYPETHREADED EXTERNAL TUBE ALL ENDS
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-C-83488 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.375 INCHES ALL ENDS IN
LEG LENGTH1.672 INCHES NOMINAL FIRST END IN
LEG LENGTH0.812 INCHES NOMINAL SECOND END IN
NOMINAL THREAD SIZE0.562 INCHES FIRST END BULKHEAD 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 4
7M637BY-6DSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
10108802Reference document
Same NSN cross-reference
Reference document — Informative reference only
7M637Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
AS1040D0606VSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 7M637B4-6D?
7M637B4-6D is a ELBOW,TUBE.
What parts can replace 7M637B4-6D?
There are 4 known substitutes for 7M637B4-6D: 7M637BY-6D, 10108802, 7M637 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 7M637B4-6D?
7M637B4-6D is cataloged in the U.S. Government catalog under NSN 4730-01-155-5045. This indicates validated use in U.S. government and defense supply chains.
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