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2546081-1 — UNION,TUBE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

2546081-1: UNION,TUBE.

The UNION,TUBE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, thread_class: 3A FIRST END A, connection_style: PLAIN (TUBE) FIRST END, nominal_thread_size: 1.062 INCHES SECOND END IN, union_joint_location: FIRST END, coupling_flange_shape: HEXAGON. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-103-6311, 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
2546081-1
NSN: 4730-00-103-6311
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialSTEEL OVERALL
thread_class3A FIRST END A
connection_stylePLAIN (TUBE) FIRST END
nominal_thread_size1.062 INCHES SECOND END IN
union_joint_locationFIRST END
coupling_flange_shapeHEXAGON
nominal_overall_length4.430 INCHES IN
thread_quantity_per_inch12 SECOND END
thread_series_designatorUN SECOND END
reduced_passage_nominal_inside_diameter0.664 INCHES SECOND END IN
nominal_outside_diameter_tube_accommodated1.062 INCHES SECOND END IN
NSN4730-00-103-6311
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 2546081-1 · 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
•
CONNECTION STYLE: FLARED (TUBE) SECOND END
•
UNION JOINT LOCATION: FIRST END
•
COUPLING FLANGE SHAPE: HEXAGON
•
NOMINAL OVERALL LENGTH: 4.430 INCHES IN
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 1.062 INCHES FIRST END IN
•
REDUCED PASSAGE NOMINAL INSIDE DIAMETER: 0.664 INCHES SECOND END IN
TECHNICAL CHARACTERISTICS
CONNECTION STYLEFLARED (TUBE) SECOND END
CONNECTION STYLEPLAIN (TUBE) FIRST END
UNION JOINT LOCATIONFIRST END
COUPLING FLANGE SHAPEHEXAGON
NOMINAL OVERALL LENGTH4.430 INCHES IN
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED1.062 INCHES FIRST END IN
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED1.062 INCHES SECOND END IN
REDUCED PASSAGE NOMINAL INSIDE DIAMETER0.664 INCHES SECOND END IN
NOMINAL THREAD SIZE1.062 INCHES SECOND END IN
THREAD CLASS3A FIRST END A
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 2546081-1?
2546081-1 is a UNION,TUBE.
What is the NSN for 2546081-1?
2546081-1 is cataloged in the U.S. Government catalog under NSN 4730-00-103-6311. This indicates validated use in U.S. government and defense supply chains.
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