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Technical Data Sheet
32577-1033 ✓ 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 BOSS is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, seat_angle: 30.0 DEGREES FIRST END, thread_class: 2A SECOND END A, connection_type: THREADED EXTERNAL BOSS SECOND END, connection_style: INVERTED FLARE (PIPE) FIRST END, nominal_thread_size: 0.625 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 4730-00-453-0092, 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
32577-1033
NSN: 4730-00-453-0092
FSC: 4730
CAGE: 56387 — BRITISH AEROSPACE INC MILITARY SUPPORT DIV (USA)
SPECIFICATIONS
materialSTEEL OVERALL
seat_angle30.0 DEGREES FIRST END
thread_class2A SECOND END A
connection_typeTHREADED EXTERNAL BOSS SECOND END
connection_styleINVERTED FLARE (PIPE) FIRST END
nominal_thread_size0.625 INCHES SECOND END IN
nominal_overall_length1.160 INCHES IN
thread_tolerance_class6H EXTERNAL FIRST END
thread_series_designatorUNF SECOND END
thread_pitch_in_millimeters0.3 FIRST END
NSN4730-00-453-0092
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 32577-1033 · 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 OVERALL LENGTH: 1.160 INCHES IN
THREAD PITCH IN MILLIMETERS: 0.3 FIRST END
THREAD TOLERANCE CLASS: 6H EXTERNAL FIRST END
THREAD SERIES DESIGNATOR: UNF SECOND END
CONNECTION TYPE: THREADED EXTERNAL BOSS SECOND END
THREAD CLASS: 2A SECOND END A
CONNECTION STYLE: EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL OVERALL LENGTH1.160 INCHES IN
THREAD PITCH IN MILLIMETERS0.3 FIRST END
THREAD TOLERANCE CLASS6H EXTERNAL FIRST END
THREAD SERIES DESIGNATORUNF SECOND END
CONNECTION TYPETHREADED EXTERNAL BOSS SECOND END
THREAD CLASS2A SECOND END A
CONNECTION STYLEEXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END
MATERIALSTEEL OVERALL
THREAD SERIES DESIGNATORISO M FIRST END
NOMINAL THREAD SIZE1.4 MILLIMETERS FIRST END MM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 2
54163JInterchangeable
interchangeable cross-reference
interchangeable
431-016-9035Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 32577-1033?
32577-1033 is a ADAPTER,STRAIGHT,PIPE TO BOSS.
What parts can replace 32577-1033?
There are 2 known substitutes for 32577-1033: 54163J, 431-016-9035. Substitute compatibility should be verified for your specific system.
What is the NSN for 32577-1033?
32577-1033 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-453-0092. This indicates validated use in U.S. government and defense supply chains.
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