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81-1004-3 — ADAPTER,STRAIGHT,PIPE TO TUBE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

81-1004-3: ADAPTER,STRAIGHT,PIPE TO TUBE.

The ADAPTER,STRAIGHT,PIPE TO TUBE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, seat_angle: 37.0 DEGREES FIRST END, thread_class: 2A FIRST END BULKHEAD A, connection_type: THREADED EXTERNAL TUBE FIRST END, connection_style: FLARED (TUBE) FIRST END, surface_treatment: CADMIUM OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-196-7480, 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
81-1004-3
NSN: 4730-01-196-7480
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 30554 — DEPARTMENT OF DEFENSE PROJECT MANAGER-MOBILE ELECTRIC POWER (USA)
SPECIFICATIONS
materialSTEEL OVERALL
seat_angle37.0 DEGREES FIRST END
thread_class2A FIRST END BULKHEAD A
connection_typeTHREADED EXTERNAL TUBE FIRST END
connection_styleFLARED (TUBE) FIRST END
surface_treatmentCADMIUM OVERALL
operating_pressure3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
nominal_thread_size0.562 INCHES FIRST END IN
maximum_operating_temp400.0 FAHRENHEIT SINGLE RESPONSE DEGF
nominal_overall_length2.060 INCHES IN
thread_series_designatorNPTF SECOND END
nominal_outside_diameter_tube_accommodated0.375 INCHES FIRST END IN
NSN4730-01-196-7480
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 81-1004-3 · 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) FIRST END
•
NOMINAL OVERALL LENGTH: 2.060 INCHES IN
•
CONNECTION TYPE: THREADED EXTERNAL TUBE FIRST END
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.375 INCHES FIRST END IN
•
OPERATING PRESSURE: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
•
NOMINAL THREAD SIZE: 0.562 INCHES FIRST END BULKHEAD IN
TECHNICAL CHARACTERISTICS
CONNECTION STYLEFLARED (TUBE) FIRST END
CONNECTION STYLEPLAIN (PIPE) SECOND END
NOMINAL OVERALL LENGTH2.060 INCHES IN
CONNECTION TYPETHREADED EXTERNAL TUBE FIRST END
CONNECTION TYPETHREADED INTERNAL PIPE SECOND END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.375 INCHES FIRST END IN
OPERATING PRESSURE3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
NOMINAL THREAD SIZE0.562 INCHES FIRST END BULKHEAD IN
NOMINAL THREAD SIZE0.562 INCHES FIRST END IN
NOMINAL THREAD SIZE0.250 INCHES SECOND END IN
SUBSTITUTES & CROSS-REFERENCES 2
C5275X6Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
81-1004Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
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 81-1004-3?
81-1004-3 is a ADAPTER,STRAIGHT,PIPE TO TUBE.
What parts can replace 81-1004-3?
There are 2 known substitutes for 81-1004-3: C5275X6, 81-1004. Substitute compatibility should be verified for your specific system.
What is the NSN for 81-1004-3?
81-1004-3 is cataloged in the U.S. Government catalog under NSN 4730-01-196-7480. This indicates validated use in U.S. government and defense supply chains.
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