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Technical Data Sheet
PartsTable / COMPONENT / 389763
389763 ✓ Verified by PartsTable
— · PIPE SECTION
WHAT YOU NEED TO KNOW
Schedule = wall thickness, NOT diameter Nominal pipe size != actual OD
Sch 40 and Sch 80 same OD, different wall
PRODUCT OVERVIEW

The HOSE ASSEMBLY,NONMETALLIC is a the manufacturer industrial component. Key specifications include seat_angle: 37.0 DEGREES FIRST END, temp_rating: 450.0 FAHRENHEIT SINGLE RESPONSE DEGF, thread_class: 3B FIRST END, exterior_color: NATURAL METALLIC, vacuum_in_torr: 254.0, connection_type: THREADED INTERNAL TUBE FIRST END. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-00-523-3405, 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
389763
NSN: 4720-00-523-3405
FSC: 4720
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
seat_angle37.0 DEGREES FIRST END
temp_rating450.0 FAHRENHEIT SINGLE RESPONSE DEGF
thread_class3B FIRST END
exterior_colorNATURAL METALLIC
vacuum_in_torr254.0
connection_typeTHREADED INTERNAL TUBE FIRST END
inside_diameter0.625 INCHES NOMINAL IN
connection_styleFLARE FIRST END
outside_diameter0.766 INCHES MINIMUM AND 0.812 INCHES MAXIMUM IN
special_featuresBURST PRESSURE RATED AT 450.0 DEG F DEGF
thread_directionRIGHT-HAND FIRST END
features_providedELECTROSTATIC DISCHARGE CAPABILITY
NSN4720-00-523-3405
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: 389763 · OEM ⚠ VERIFY BEFORE ORDERING Schedule = wall thickness, NOT pipe diameter. Sch 40 and Sch 80 have the same OD but different wall thickness. Nominal pipe size ≠ actual OD — a 1" pipe is actually 1.315" OD ✓ BROKER TIP Sch 40 = standard wall, Sch 80 = heavy wall (higher pressure), Sch 160 = extra heavy. Seamless pipe is required for high-pressure applications — welded pipe has lower ratings PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
MEASURING METHOD AND LENGTH: 32.250 INCHES MINIMUM WORKING AND 32.750 INCHES MAXIMUM WORKING IN
•
THREAD SERIES DESIGNATOR: UN FIRST END
•
INSIDE SURFACE CONDITION: SMOOTH
•
OPERATING PRESSURE: 1000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS
•
END CONNECTION DESIGN: STRAIGHT FIRST END
•
VACUUM IN TORR: 254.0
•
HYDROSTATIC TEST PRESSURE: 2000.0 POUNDS PER SQUARE INCH LBS
TECHNICAL CHARACTERISTICS (FLIS)
MEASURING METHOD AND LENGTH32.250 INCHES MINIMUM WORKING AND 32.750 INCHES MAXIMUM WORKING IN
SPECIAL FEATURESBURST PRESSURE RATED AT 450.0 DEG F DEGF
THREAD SERIES DESIGNATORUN FIRST END
INSIDE SURFACE CONDITIONSMOOTH
OPERATING PRESSURE1000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS
END CONNECTION DESIGNSTRAIGHT FIRST END
VACUUM IN TORR254.0
HYDROSTATIC TEST PRESSURE2000.0 POUNDS PER SQUARE INCH LBS
OUTER COVERING ENVIRONMENTAL PROTECTIONABRASION RESISTANT AND CORROSION RESISTANT AND FUEL RESISTANT
CROSS-SECTIONAL SHAPE STYLEROUND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
3282H1-203Interchangeable
interchangeable cross-reference
interchangeable
DMS 84013BInterchangeable
interchangeable cross-reference
interchangeable
93680Interchangeable
interchangeable cross-reference
interchangeable
CKD 8.5Interchangeable
interchangeable cross-reference
interchangeable
284842Interchangeable
Same NIIN cross-reference
interchangeable
389762Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 389763?
389763 is a HOSE ASSEMBLY,NONMETALLIC.
What parts can replace 389763?
There are 6 known substitutes for 389763: 3282H1-203, DMS 84013B, 93680 and 3 more. Substitute compatibility should be verified for your specific system.
Is 389763 still available?
389763 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026