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Technical Data Sheet
334540P02 ✓ 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, reducer_type: CONCENTRIC, connection_type: UNTHREADED EXTERNAL TUBE SECOND END, connection_style: PLAIN (TUBE) SECOND END, nominal_overall_length: 1.562 INCHES IN, nominal_outside_diameter_tube_accommodated: 0.625 INCHES FIRST 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 4730-00-811-9734, 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
334540P02
NSN: 4730-00-811-9734
FSC: 4730
CAGE: 59027 — MEGGITT DEFENSE SYSTEMS, INC. DBA MEGGITT WESTERN DESIGN (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
reducer_typeCONCENTRIC
connection_typeUNTHREADED EXTERNAL TUBE SECOND END
connection_stylePLAIN (TUBE) SECOND END
nominal_overall_length1.562 INCHES IN
nominal_outside_diameter_tube_accommodated0.625 INCHES FIRST END IN
NSN4730-00-811-9734
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 334540P02 · 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: 0.625 INCHES FIRST END IN
CONNECTION TYPE: UNTHREADED EXTERNAL TUBE SECOND END
CONNECTION STYLE: PLAIN (TUBE) SECOND END
NOMINAL OVERALL LENGTH: 1.562 INCHES IN
REDUCER TYPE: CONCENTRIC
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.625 INCHES FIRST END IN
CONNECTION TYPEUNTHREADED EXTERNAL TUBE SECOND END
CONNECTION STYLEPLAIN (TUBE) SECOND END
NOMINAL OVERALL LENGTH1.562 INCHES IN
REDUCER TYPECONCENTRIC
CONNECTION TYPEUNTHREADED INTERNAL TUBE FIRST END
CONNECTION STYLESOCKET (TUBE) FIRST END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.750 INCHES SECOND END IN
MATERIALCOPPER ALLOY OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
900165-5Interchangeable
interchangeable cross-reference
interchangeable
W1035Interchangeable
interchangeable cross-reference
interchangeable
B16.22Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 334540P02?
334540P02 is a REDUCER,TUBE.
What parts can replace 334540P02?
There are 3 known substitutes for 334540P02: 900165-5, W1035, B16.22. Substitute compatibility should be verified for your specific system.
What is the NSN for 334540P02?
334540P02 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-811-9734. This indicates validated use in U.S. government and defense supply chains.
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