PartsTable
Technical Data Sheet
UR3-86 ✓ Verified by PartsTable
· HOSE FITTING
WHAT YOU NEED TO KNOW
PTFE tape on tapered threads (NPT/BSPT) JIC/AN flare connections seal metal-to-metal — no tape
NPT != BSPT — look identical, NOT interchangeable
PRODUCT OVERVIEW

The REDUCER,TUBE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, seat_angle: 45.0 DEGREES ALL ENDS, reducer_type: CONCENTRIC, thread_class: 2B FIRST END, connection_type: THREADED INTERNAL TUBE FIRST END, connection_style: FLARED (TUBE) SECOND END. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-945-1907, 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
UR3-86
NSN: 4730-00-945-1907
FSC: 4730
CAGE: 41947 — MUELLER BRASS CO. (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
seat_angle45.0 DEGREES ALL ENDS
reducer_typeCONCENTRIC
thread_class2B FIRST END
connection_typeTHREADED INTERNAL TUBE FIRST END
connection_styleFLARED (TUBE) SECOND END
nominal_thread_size0.750 INCHES FIRST END IN
nominal_overall_length1.440 INCHES IN
thread_series_designatorUNF ALL ENDS
nominal_outside_diameter_tube_accommodated0.500 INCHES FIRST END IN
NSN4730-00-945-1907
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: UR3-86 · 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
THREAD CLASS: 2B FIRST END
NOMINAL OVERALL LENGTH: 1.440 INCHES IN
MATERIAL: COPPER ALLOY OVERALL
SEAT ANGLE: 45.0 DEGREES ALL ENDS
CONNECTION TYPE: THREADED INTERNAL TUBE FIRST END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.500 INCHES FIRST END IN
TECHNICAL CHARACTERISTICS (FLIS)
CONNECTION STYLEFLARED (TUBE) FIRST END
THREAD CLASS2B FIRST END
NOMINAL OVERALL LENGTH1.440 INCHES IN
MATERIALCOPPER ALLOY OVERALL
SEAT ANGLE45.0 DEGREES ALL ENDS
CONNECTION TYPETHREADED INTERNAL TUBE FIRST END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.500 INCHES FIRST END IN
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.375 INCHES SECOND END IN
CONNECTION TYPETHREADED EXTERNAL TUBE SECOND END
NOMINAL THREAD SIZE0.750 INCHES FIRST END IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
WS-10959Interchangeable
interchangeable cross-reference
interchangeable
2XE402Interchangeable
interchangeable cross-reference
interchangeable
32052Interchangeable
interchangeable cross-reference
interchangeable
513-11082-01Interchangeable
interchangeable cross-reference
interchangeable
LTX6S6/120Interchangeable
interchangeable cross-reference
interchangeable
3565Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is UR3-86?
UR3-86 is a REDUCER,TUBE.
What parts can replace UR3-86?
There are 21 known substitutes for UR3-86: WS-10959, 2XE402, 32052 and 18 more. Substitute compatibility should be verified for your specific system.
Is UR3-86 still available?
UR3-86 is currently cancelled.
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