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Technical Data Sheet
PartsTable / COMPONENT / UR264
UR264 ✓ 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 ADAPTER,STRAIGHT,PIPE TO TUBE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, seat_angle: 45.0 DEGREES ALL ENDS, thread_class: 2A ALL ENDS A, connection_type: THREADED EXTERNAL TUBE ALL ENDS, connection_style: FLARED (TUBE) ALL ENDS, nominal_thread_size: 0.438 INCHES SECOND END IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-277-7773, 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
UR264
NSN: 4730-00-277-7773
FSC: 4730
CAGE: 84818 — HINSHAW SUPPLY CO OF CALIFORNIA (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
seat_angle45.0 DEGREES ALL ENDS
thread_class2A ALL ENDS A
connection_typeTHREADED EXTERNAL TUBE ALL ENDS
connection_styleFLARED (TUBE) ALL ENDS
nominal_thread_size0.438 INCHES SECOND END IN
maximum_operating_temp250.0 FAHRENHEIT SINGLE RESPONSE DEGF
nominal_overall_length1.360 INCHES IN
thread_series_designatorUNF ALL ENDS
nominal_outside_diameter_tube_accommodated0.250 INCHES SECOND END IN
NSN4730-00-277-7773
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: UR264 · 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
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.375 INCHES FIRST END IN
•
NOMINAL THREAD SIZE: 0.438 INCHES SECOND END IN
•
CONNECTION STYLE: FLARED (TUBE) ALL ENDS
•
MATERIAL: COPPER ALLOY OVERALL
•
NOMINAL OVERALL LENGTH: 1.360 INCHES IN
•
THREAD SERIES DESIGNATOR: UNF ALL ENDS
•
CONNECTION TYPE: THREADED EXTERNAL TUBE ALL ENDS
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.375 INCHES FIRST END IN
NOMINAL THREAD SIZE0.438 INCHES SECOND END IN
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.250 INCHES SECOND END IN
CONNECTION STYLEFLARED (TUBE) ALL ENDS
MATERIALCOPPER ALLOY OVERALL
NOMINAL OVERALL LENGTH1.360 INCHES IN
THREAD SERIES DESIGNATORUNF ALL ENDS
CONNECTION TYPETHREADED EXTERNAL TUBE ALL ENDS
MAXIMUM OPERATING TEMP250.0 FAHRENHEIT SINGLE RESPONSE DEGF
THREAD CLASS2A ALL ENDS A
VERIFIED SUBSTITUTES & CROSS-REFERENCES 27
A1171Interchangeable
interchangeable cross-reference
interchangeable
56283Interchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-14652BInterchangeable
interchangeable cross-reference
interchangeable
MIL-I-14652Interchangeable
interchangeable cross-reference
interchangeable
0204-8-8BInterchangeable
interchangeable cross-reference
interchangeable
46X8X8Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is UR264?
UR264 is a ADAPTER,STRAIGHT,PIPE TO TUBE.
What parts can replace UR264?
There are 27 known substitutes for UR264: A1171, 56283, MIL-DTL-14652B and 24 more. Substitute compatibility should be verified for your specific system.
Is UR264 still available?
UR264 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026