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123ECM51018-1 — TEE,TUBE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

123ECM51018-1: TEE,TUBE.

The TEE,TUBE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 304L OVERALL, leg_length: 1.820 INCHES NOMINAL FIRST END IN, seat_angle: 37.0 DEGREES ALL ENDS, thread_class: 3A ALL ENDS 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 4730-01-355-7633, 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
123ECM51018-1
NSN: 4730-01-355-7633
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 79RG9 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
materialSTEEL COMP 304L OVERALL
leg_length1.820 INCHES NOMINAL FIRST END IN
seat_angle37.0 DEGREES ALL ENDS
thread_class3A ALL ENDS A
connection_typeTHREADED EXTERNAL TUBE ALL ENDS
connection_styleFLARED (TUBE) ALL ENDS
surface_treatmentCADMIUM OVERALL
nominal_thread_size0.563 INCHES FIRST END IN
thread_series_designatorUNIFIED NATIONAL JOINT FINE (UNJF) ALL ENDS
material_document_and_classificationQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
reduced_passage_nominal_inside_diameter0.187 INCHES SECOND END IN
nominal_outside_diameter_tube_accommodated0.375 INCHES FIRST END IN
NSN4730-01-355-7633
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 123ECM51018-1 · 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
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416 CL2 TY 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
CONNECTION STYLE: FLARED (TUBE) ALL ENDS
•
CONNECTION TYPE: THREADED EXTERNAL TUBE ALL ENDS
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.375 INCHES SECOND END IN
•
LEG LENGTH: 1.048 INCHES NOMINAL SECOND END IN
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 CL2 TY 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
CONNECTION STYLEFLARED (TUBE) ALL ENDS
CONNECTION TYPETHREADED EXTERNAL TUBE ALL ENDS
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.375 INCHES SECOND END IN
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.375 INCHES FIRST END IN
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.250 INCHES THIRD END IN
LEG LENGTH1.048 INCHES NOMINAL SECOND END IN
LEG LENGTH1.820 INCHES NOMINAL FIRST END IN
LEG LENGTH1.048 INCHES NOMINAL THIRD 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 1
123ECM51018Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
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 123ECM51018-1?
123ECM51018-1 is a TEE,TUBE.
What parts can replace 123ECM51018-1?
There is 1 known substitute for 123ECM51018-1: 123ECM51018. Substitute compatibility should be verified for your specific system.
What is the NSN for 123ECM51018-1?
123ECM51018-1 is cataloged in the U.S. Government catalog under NSN 4730-01-355-7633. This indicates validated use in U.S. government and defense supply chains.
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