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Technical Data Sheet
PartsTable / COMPONENT / 54503BB03B03-01250
54503BB03B03-01250 ✓ 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: 45.0 DEGREES FIRST END, temp_rating: -40.0 FAHRENHEIT AND 250.0 FAHRENHEIT SINGLE RESPONSE DEGF, thread_class: 2A FIRST END A, connection_type: THREADED EXTERNAL TUBE FIRST END, inside_diameter: 0.188 INCHES NOMINAL IN, connection_style: SWIVEL NUT, INVERTED FLARE 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 4720-00-356-2048, 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
54503BB03B03-01250
NSN: 4720-00-356-2048
FSC: 4720
CAGE: 79470 — DANA CORP WEATHERHEAD DIV (USA)
SPECIFICATIONS
seat_angle45.0 DEGREES FIRST END
temp_rating-40.0 FAHRENHEIT AND 250.0 FAHRENHEIT SINGLE RESPONSE DEGF
thread_class2A FIRST END A
connection_typeTHREADED EXTERNAL TUBE FIRST END
inside_diameter0.188 INCHES NOMINAL IN
connection_styleSWIVEL NUT, INVERTED FLARE FIRST END
special_featuresINNER CONVEYING TUBE MATERIAL-RUBBER, SYNTHETIC
thread_directionRIGHT-HAND FIRST END
burst_test_pressure1200.0 POUNDS PER SQUARE INCH LBS
nominal_thread_size0.375 INCHES FIRST END IN
end_connection_designSTRAIGHT FIRST END
inside_surface_conditionSMOOTH
NSN4720-00-356-2048
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: 54503BB03B03-01250 · 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
•
CONNECTION TYPE: THREADED EXTERNAL TUBE FIRST END
•
CROSS-SECTIONAL SHAPE STYLE: ROUND
•
SEAT ANGLE: 45.0 DEGREES FIRST END
•
MEDIA FOR WHICH DESIGNED: FUEL/OIL, HYDROCARBON SINGLE RESPONSE
•
MEASURING METHOD AND LENGTH: 12.500 INCHES NOMINAL OVERALL IN
•
THREAD CLASS: 2A FIRST END A
•
LAYER COMPOSITION AND LOCATION: 1ST LAYER BRAIDED COTTON CORD AND 2ND LAYER BRAIDED COTTON CORD AND 3RD LAYER MOLDED RUBBER AND OUTER LAYER MOLDED RUBBER, SYNTHETIC
TECHNICAL CHARACTERISTICS (FLIS)
CONNECTION TYPETHREADED EXTERNAL TUBE FIRST END
CROSS-SECTIONAL SHAPE STYLEROUND
SEAT ANGLE45.0 DEGREES FIRST END
SPECIAL FEATURESINNER CONVEYING TUBE MATERIAL-RUBBER, SYNTHETIC
MEDIA FOR WHICH DESIGNEDFUEL/OIL, HYDROCARBON SINGLE RESPONSE
MEASURING METHOD AND LENGTH12.500 INCHES NOMINAL OVERALL IN
THREAD CLASS2A FIRST END A
LAYER COMPOSITION AND LOCATION1ST LAYER BRAIDED COTTON CORD AND 2ND LAYER BRAIDED COTTON CORD AND 3RD LAYER MOLDED RUBBER AND OUTER LAYER MOLDED RUBBER, SYNTHETIC
END CONNECTION DESIGNSTRAIGHT FIRST END
END FITTING COMPONENT AND MATERIALCOMPLETE FITTING COPPER ALL ENDS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
103877Interchangeable
interchangeable cross-reference
interchangeable
731292Interchangeable
interchangeable cross-reference
interchangeable
534733-530Interchangeable
interchangeable cross-reference
interchangeable
1138977Interchangeable
interchangeable cross-reference
interchangeable
A3877Interchangeable
interchangeable cross-reference
interchangeable
3877Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 54503BB03B03-01250?
54503BB03B03-01250 is a HOSE ASSEMBLY,NONMETALLIC.
What parts can replace 54503BB03B03-01250?
There are 11 known substitutes for 54503BB03B03-01250: 103877, 731292, 534733-530 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 54503BB03B03-01250?
54503BB03B03-01250 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-00-356-2048. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026