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6511478 — ADAPTER,STRAIGHT,FLANGE TO PIPE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

6511478: ADAPTER,STRAIGHT,FLANGE TO PIPE.

ADAPTER,STRAIGHT,FLANGE TO PIPE. Key specifications include material: STEEL COMP 316 OVERALL, seat_angle: 90.0 DEGREES FIRST END, flange_shape: ROUND SECOND END, connection_type: THREADED EXTERNAL PIPE FIRST END, connection_style: INVERTED FLARE (PIPE) FIRST END, nominal_thickness: 0.062 INCHES SECOND END IN. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-347-8473, 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
6511478
NSN: 4730-01-347-8473
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialSTEEL COMP 316 OVERALL
seat_angle90.0 DEGREES FIRST END
flange_shapeROUND SECOND END
connection_typeTHREADED EXTERNAL PIPE FIRST END
connection_styleINVERTED FLARE (PIPE) FIRST END
nominal_thickness0.062 INCHES SECOND END IN
surface_treatmentPASSIVATE OVERALL
flange_face_designPLAIN WITH GASKET GROOVE SECOND END
nominal_thread_size0.250 INCHES FIRST END IN
nominal_overall_length1.600 INCHES IN
end_item_identificationEXPLODER TEST SET,TORPEDO
media_for_which_designedAIR SINGLE RESPONSE
NSN4730-01-347-8473
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 6511478 · 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: ROUND SECOND END
•
FLANGE FACE DESIGN: PLAIN WITH GASKET GROOVE SECOND END
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35,TYPE 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
CONNECTION STYLE: INVERTED FLARE (PIPE) FIRST END
•
NOMINAL OVERALL LENGTH: 1.600 INCHES IN
•
CONNECTION TYPE: FLANGE SECOND END
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-763,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS
FLANGE SHAPEROUND SECOND END
FLANGE FACE DESIGNPLAIN WITH GASKET GROOVE SECOND END
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35,TYPE 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
CONNECTION STYLEINVERTED FLARE (PIPE) FIRST END
NOMINAL OVERALL LENGTH1.600 INCHES IN
CONNECTION TYPEFLANGE SECOND END
CONNECTION TYPETHREADED EXTERNAL PIPE FIRST END
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD SIZE0.250 INCHES FIRST END IN
SEAT ANGLE90.0 DEGREES FIRST END
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: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 6511478?
6511478 is a ADAPTER,STRAIGHT,FLANGE TO PIPE.
What is the NSN for 6511478?
6511478 is cataloged in the U.S. Government catalog under NSN 4730-01-347-8473. This indicates validated use in U.S. government and defense supply chains.
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