PartsTable
Technical Data Sheet
5164312 ✓ 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

RESISTOR,FIXED,WIRE WOUND,INDUCT. Key specifications include material: COPPER ALLOY OVERALL, leg_length: 1.250 INCHES NOMINAL FIRST END IN, seat_angle: 45.0 DEGREES FIRST END, thread_class: 3B FIRST END, connection_type: THREADED INTERNAL PIPE SECOND END, connection_style: INVERTED FLARE (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 4730-00-277-8165, 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
5164312
NSN: 4730-00-277-8165
FSC: 4730
CAGE: 72582 — ROLLS-ROYCE SOLUTIONS AMERICA INC (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
leg_length1.250 INCHES NOMINAL FIRST END IN
seat_angle45.0 DEGREES FIRST END
thread_class3B FIRST END
connection_typeTHREADED INTERNAL PIPE SECOND END
connection_styleINVERTED FLARE (TUBE) FIRST END
nominal_thread_size0.500 INCHES FIRST END IN
thread_series_designatorNPT SECOND END
nominal_outside_diameter_tube_accommodated0.500 INCHES FIRST END IN
NSN4730-00-277-8165
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 5164312 · 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 THREAD SIZE: 0.125 INCHES SECOND END IN
LEG LENGTH: 1.250 INCHES NOMINAL SECOND END IN
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.500 INCHES FIRST END IN
THREAD SERIES DESIGNATOR: UNF FIRST END
CONNECTION TYPE: THREADED EXTERNAL PIPE THIRD END
CONNECTION STYLE: PLAIN (PIPE) THIRD END
THREAD CLASS: 3B FIRST END
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL THREAD SIZE0.125 INCHES SECOND END IN
LEG LENGTH1.250 INCHES NOMINAL SECOND END IN
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.500 INCHES FIRST END IN
LEG LENGTH1.250 INCHES NOMINAL THIRD END IN
THREAD SERIES DESIGNATORUNF FIRST END
CONNECTION TYPETHREADED EXTERNAL PIPE THIRD END
CONNECTION STYLEPLAIN (PIPE) THIRD END
THREAD CLASS3B FIRST END
NOMINAL THREAD SIZE0.250 INCHES THIRD END IN
THREAD SERIES DESIGNATORNPT THIRD END
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
BBSX1X1Interchangeable
interchangeable cross-reference
interchangeable
P418Interchangeable
interchangeable cross-reference
interchangeable
503244Interchangeable
interchangeable cross-reference
interchangeable
8333154Interchangeable
interchangeable cross-reference
interchangeable
800075Interchangeable
interchangeable cross-reference
interchangeable
26-270Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 5164312?
5164312 is a RESISTOR,FIXED,WIRE WOUND,INDUCT.
What parts can replace 5164312?
There are 11 known substitutes for 5164312: BBSX1X1, P418, 503244 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 5164312?
5164312 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-277-8165. This indicates validated use in U.S. government and defense supply chains.
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