PartsTable
Technical Data Sheet
U2-6 ✓ 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 SWITCH,THERMOSTATIC is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, leg_length: 0.625 INCHES NOMINAL FIRST END IN, seat_angle: 45.0 DEGREES FIRST END, thread_class: 3A FIRST END A, connection_type: THREADED EXTERNAL TUBE FIRST END, connection_style: FLARED (TUBE) FIRST END. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-497-9381, 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
U2-6
NSN: 4730-00-497-9381
FSC: 4730
CAGE: 39653 — MELCHIOR ARMSTRONG DESSAU CO OF DELAWARE INC (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
leg_length0.625 INCHES NOMINAL FIRST END IN
seat_angle45.0 DEGREES FIRST END
thread_class3A FIRST END A
connection_typeTHREADED EXTERNAL TUBE FIRST END
connection_styleFLARED (TUBE) FIRST END
style_designatorFLARED W/ CENTER WRENCHING FACILITY
nominal_thread_size0.625 INCHES FIRST END IN
nominal_overall_length1.500 INCHES IN
thread_series_designatorUNF FIRST END
nominal_outside_diameter_tube_accommodated0.375 INCHES FIRST END IN
NSN4730-00-497-9381
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: U2-6 · 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
THREAD CLASS: 3A FIRST END A
CONNECTION STYLE: FLARED (TUBE) FIRST END
LEG LENGTH: 0.625 INCHES NOMINAL FIRST END IN
SEAT ANGLE: 45.0 DEGREES FIRST END
NOMINAL THREAD SIZE: 0.625 INCHES FIRST END IN
MATERIAL: COPPER ALLOY OVERALL
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.375 INCHES FIRST END IN
THREAD SERIES DESIGNATOR: UNF FIRST END
TECHNICAL CHARACTERISTICS (FLIS)
THREAD CLASS3A FIRST END A
CONNECTION STYLEFLARED (TUBE) FIRST END
LEG LENGTH0.625 INCHES NOMINAL FIRST END IN
SEAT ANGLE45.0 DEGREES FIRST END
NOMINAL THREAD SIZE0.625 INCHES FIRST END IN
MATERIALCOPPER ALLOY OVERALL
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.375 INCHES FIRST END IN
THREAD SERIES DESIGNATORUNF FIRST END
NOMINAL OVERALL LENGTH1.500 INCHES IN
STYLE DESIGNATORFLARED W/ CENTER WRENCHING FACILITY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
SAE J513 6-6 010101BInterchangeable
interchangeable cross-reference
interchangeable
SAE-J513Interchangeable
interchangeable cross-reference
interchangeable
4730002656911Interchangeable
interchangeable cross-reference
interchangeable
U26Interchangeable
interchangeable cross-reference
interchangeable
2T-05-FW-003Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is U2-6?
U2-6 is a SWITCH,THERMOSTATIC.
What parts can replace U2-6?
There are 5 known substitutes for U2-6: SAE J513 6-6 010101B, SAE-J513, 4730002656911 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for U2-6?
U2-6 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-497-9381. This indicates validated use in U.S. government and defense supply chains.
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