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7M555N6 — COUPLING,TUBE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

7M555N6: COUPLING,TUBE.

The COUPLING,TUBE is a the manufacturer industrial component. Key specifications include material: PLASTIC, POLYETHYLENE (PP) OVERALL, seat_angle: 12.0 DEGREES FIRST END, thread_class: 3A SECOND END BULKHEAD A, connection_type: UNTHREADED EXTERNAL TUBE SECOND END, connection_style: FLARELESS (TUBE) FIRST END, style_designator: SWAGED AND THREADED EXTERNAL. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-690-1820, 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
7M555N6
NSN: 4730-00-690-1820
NIINs: 006901820, 011885885
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
materialPLASTIC, POLYETHYLENE (PP) OVERALL
seat_angle12.0 DEGREES FIRST END
thread_class3A SECOND END BULKHEAD A
connection_typeUNTHREADED EXTERNAL TUBE SECOND END
connection_styleFLARELESS (TUBE) FIRST END
style_designatorSWAGED AND THREADED EXTERNAL
nominal_thread_size0.562 INCHES FIRST END IN
nominal_overall_length2.125 INCHES IN
thread_series_designatorUNF FIRST END
furnished_items_and_quantity1 TUBE COUPLING NUT AND 1 JAM NUT
nominal_outside_diameter_tube_accommodated0.375 INCHES ALL ENDS IN
tubing_wall_nominal_thickness_for_which_designed0.091 INCHES SECOND END IN
NSN4730-00-690-1820
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 7M555N6 · 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
•
FURNISHED ITEMS AND QUANTITY: 1 PREFORMED PACKING
•
NOMINAL OVERALL LENGTH: 2.093 INCHES IN
•
CONNECTION TYPE: THREADED EXTERNAL BOSS SECOND END
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-C-27500 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.375 INCHES FIRST END IN
•
NOMINAL THREAD SIZE: 0.562 INCHES CENTER BULKHEAD IN
TECHNICAL CHARACTERISTICS
FURNISHED ITEMS AND QUANTITY1 PREFORMED PACKING
NOMINAL OVERALL LENGTH2.093 INCHES IN
CONNECTION TYPETHREADED EXTERNAL BOSS SECOND END
CONNECTION TYPEUNTHREADED EXTERNAL TUBE FIRST END
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-C-27500 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.375 INCHES FIRST END IN
NOMINAL THREAD SIZE0.562 INCHES CENTER BULKHEAD IN
NOMINAL THREAD SIZE0.562 INCHES SECOND END IN
THREAD CLASS2A SECOND END A
THREAD CLASS2A CENTER BULKHEAD A
SUBSTITUTES & CROSS-REFERENCES 2
6-6T2H2BZ-NYReference document
Same NSN cross-reference
Reference document — Secondary reference
ZY-600R1-6Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 7M555N6?
7M555N6 is a COUPLING,TUBE.
What parts can replace 7M555N6?
There are 2 known substitutes for 7M555N6: 6-6T2H2BZ-NY, ZY-600R1-6. Substitute compatibility should be verified for your specific system.
What is the NSN for 7M555N6?
7M555N6 is cataloged in the U.S. Government catalog under NSN 4730-00-690-1820. This indicates validated use in U.S. government and defense supply chains.
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