PartsTable
Technical Data Sheet
T4RNP2 ✓ 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,PIPE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, reducer_type: CONCENTRIC, connection_type: THREADED EXTERNAL PIPE SECOND END, connection_style: PLAIN (PIPE) SECOND END, operating_pressure: 7100.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS, nominal_thread_size: 0.125 INCHES SECOND END IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-467-4934, 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
T4RNP2
NSN: 4730-01-467-4934
FSC: 4730
CAGE: 28968 — CIRCOR INSTRUMENTATION TECHNOLOGIES, INC. DBA HOKE GYROLOK (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
reducer_typeCONCENTRIC
connection_typeTHREADED EXTERNAL PIPE SECOND END
connection_stylePLAIN (PIPE) SECOND END
operating_pressure7100.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
nominal_thread_size0.125 INCHES SECOND END IN
maximum_operating_temp400.0 FAHRENHEIT SINGLE RESPONSE DEGF
nominal_overall_length1.281 INCHES IN
end_item_identification6685-01-444-0974
media_for_which_designedFLUID SINGLE RESPONSE
thread_series_designatorNPT FIRST END
material_document_and_classificationASTM B-453 ASSN STD SINGLE MATERIAL RESPONSE OR QQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN4730-01-467-4934
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: T4RNP2 · 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 TYPE: THREADED EXTERNAL PIPE SECOND END
MAXIMUM OPERATING TEMP: 400.0 FAHRENHEIT SINGLE RESPONSE DEGF
NOMINAL THREAD SIZE: 0.125 INCHES SECOND END IN
CONNECTION STYLE: PLAIN (PIPE) SECOND END
PIPE WALL THICKNESS DESIGNATION FOR WHICH DESIGNED: SCHEDULE STD FIRST END
NOMINAL OVERALL LENGTH: 1.281 INCHES IN
MATERIAL: COPPER ALLOY OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
CONNECTION TYPETHREADED EXTERNAL PIPE SECOND END
MAXIMUM OPERATING TEMP400.0 FAHRENHEIT SINGLE RESPONSE DEGF
NOMINAL THREAD SIZE0.125 INCHES SECOND END IN
CONNECTION STYLEPLAIN (PIPE) SECOND END
PIPE WALL THICKNESS DESIGNATION FOR WHICH DESIGNEDSCHEDULE STD FIRST END
NOMINAL OVERALL LENGTH1.281 INCHES IN
MATERIALCOPPER ALLOY OVERALL
PIPE WALL THICKNESS DESIGNATION FOR WHICH DESIGNEDSCHEDULE STD SECOND END
PART NAME ASSIGNED BY CONTROLLING AGENCYPIPE REDUCER; ADAPTER
TUBING WALL NOMINAL THICKNESS FOR WHICH DESIGNED0.0155 INCHES FIRST END IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
0-680Interchangeable
interchangeable cross-reference
interchangeable
DD0.68Interchangeable
interchangeable cross-reference
interchangeable
46744-47Interchangeable
interchangeable cross-reference
interchangeable
102516Interchangeable
interchangeable cross-reference
interchangeable
PA022-4711Interchangeable
interchangeable cross-reference
interchangeable
CY-8510/GInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is T4RNP2?
T4RNP2 is a REDUCER,PIPE.
What parts can replace T4RNP2?
There are 6 known substitutes for T4RNP2: 0-680, DD0.68, 46744-47 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for T4RNP2?
T4RNP2 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-467-4934. This indicates validated use in U.S. government and defense supply chains.
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