PartsTable
Technical Data Sheet
64-6571 1-4IN ✓ 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 TELEPROCESSING SYSTEM is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, seat_type: GROUND-JOINT, connection_type: THREADED INTERNAL PIPE FIRST END, connection_style: SOCKET W/ FLARE (TUBE) FIRST END, operating_pressure: 250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS, nominal_thread_size: 1.250 INCHES FIRST END IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-840-9399, 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
64-6571 1-4IN
NSN: 4730-00-840-9399
FSC: 4730
CAGE: 84829 — PHELPS DODGE INDUSTRIES INC PHELPS DODGE BRASS CO DIV LEE VROUGHT AND CAST FITTINGS MILL (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
seat_typeGROUND-JOINT
connection_typeTHREADED INTERNAL PIPE FIRST END
connection_styleSOCKET W/ FLARE (TUBE) FIRST END
operating_pressure250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS
nominal_thread_size1.250 INCHES FIRST END IN
nominal_overall_length2.687 INCHES IN
media_for_which_designedWATER-OIL-GAS FIRST RESPONSE
thread_series_designatorNPT FIRST END
nominal_pipe_size_accommodated1.250 INCHES FIRST END IN
NSN4730-00-840-9399
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 64-6571 1-4IN · 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: 1.250 INCHES FIRST END IN
NOMINAL PIPE SIZE ACCOMMODATED: 1.250 INCHES FIRST END IN
CONNECTION STYLE: SOCKET W/ FLARE (TUBE) FIRST END
MATERIAL: COPPER ALLOY OVERALL
CONNECTION TYPE: THREADED INTERNAL PIPE FIRST END
SEAT TYPE: GROUND-JOINT
MEDIA FOR WHICH DESIGNED: WATER-OIL-GAS FIRST RESPONSE
NOMINAL OVERALL LENGTH: 2.687 INCHES IN
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL THREAD SIZE1.250 INCHES FIRST END IN
NOMINAL PIPE SIZE ACCOMMODATED1.250 INCHES FIRST END IN
CONNECTION STYLESOCKET W/ FLARE (TUBE) FIRST END
MATERIALCOPPER ALLOY OVERALL
CONNECTION TYPETHREADED INTERNAL PIPE FIRST END
SEAT TYPEGROUND-JOINT
MEDIA FOR WHICH DESIGNEDWATER-OIL-GAS FIRST RESPONSE
NOMINAL OVERALL LENGTH2.687 INCHES IN
OPERATING PRESSURE250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS
THREAD SERIES DESIGNATORNPT FIRST END
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
BAC1503-1003Interchangeable
interchangeable cross-reference
interchangeable
AMS-QQ-A-200/3Interchangeable
interchangeable cross-reference
interchangeable
QQ-A-200/3Interchangeable
interchangeable cross-reference
interchangeable
485Interchangeable
interchangeable cross-reference
interchangeable
50129Interchangeable
interchangeable cross-reference
interchangeable
450129Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 64-6571 1-4IN?
64-6571 1-4IN is a TELEPROCESSING SYSTEM.
What parts can replace 64-6571 1-4IN?
There are 10 known substitutes for 64-6571 1-4IN: BAC1503-1003, AMS-QQ-A-200/3, QQ-A-200/3 and 7 more. Substitute compatibility should be verified for your specific system.
Is 64-6571 1-4IN still available?
64-6571 1-4IN is currently cancelled.
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