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Technical Data Sheet
PartsTable / COMPONENT / 501A91
501A91 ✓ 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: 30.0 DEGREES FIRST END, temp_rating: -40.0 FAHRENHEIT AND 200.0 FAHRENHEIT SINGLE RESPONSE DEGF, connection_type: THREADED EXTERNAL PIPE SECOND END, inside_diameter: 0.188 INCHES NOMINAL IN, connection_style: INVERTED FLARE FIRST END, outside_diameter: 0.375 INCHES NOMINAL 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 4720-00-052-3579, 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
501A91
NSN: 4720-00-052-3579
FSC: 4720
CAGE: 44940 — CUMMINS POWER GENERATION INC. (USA)
SPECIFICATIONS
seat_angle30.0 DEGREES FIRST END
temp_rating-40.0 FAHRENHEIT AND 200.0 FAHRENHEIT SINGLE RESPONSE DEGF
connection_typeTHREADED EXTERNAL PIPE SECOND END
inside_diameter0.188 INCHES NOMINAL IN
connection_styleINVERTED FLARE FIRST END
outside_diameter0.375 INCHES NOMINAL IN
thread_directionRIGHT-HAND SECOND END
operating_pressure500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LOCATION NOT OTHERWISE SPECIFIED LBS
burst_test_pressure2000.0 POUNDS PER SQUARE INCH LBS
nominal_thread_size0.250 INCHES SECOND END IN
inside_surface_conditionSMOOTH
media_for_which_designedFUEL/OIL, HYDROCARBON SINGLE RESPONSE
NSN4720-00-052-3579
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: 501A91 · 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
•
THREAD QUANTITY PER INCH: 20 SECOND END
•
LAYER COMPOSITION AND LOCATION: OUTER LAYER MOLDED RUBBER, CHLOROPRENE AND 1ST LAYER BRAIDED COTTON CORD
•
CONNECTION STYLE: INVERTED FLARE FIRST END
•
THREAD DIRECTION: RIGHT-HAND SECOND END
•
TEMP RATING: -40.0 FAHRENHEIT AND 200.0 FAHRENHEIT SINGLE RESPONSE DEGF
•
OUTSIDE DIAMETER: 0.375 INCHES NOMINAL IN
•
MINIMUM INSIDE BENDING RADIUS: 2.000 INCHES IN
•
CONNECTION TYPE: THREADED EXTERNAL PIPE FIRST END
TECHNICAL CHARACTERISTICS (FLIS)
THREAD QUANTITY PER INCH20 SECOND END
LAYER COMPOSITION AND LOCATIONOUTER LAYER MOLDED RUBBER, CHLOROPRENE AND 1ST LAYER BRAIDED COTTON CORD
CONNECTION STYLEINVERTED FLARE FIRST END
THREAD DIRECTIONRIGHT-HAND SECOND END
TEMP RATING-40.0 FAHRENHEIT AND 200.0 FAHRENHEIT SINGLE RESPONSE DEGF
OUTSIDE DIAMETER0.375 INCHES NOMINAL IN
MINIMUM INSIDE BENDING RADIUS2.000 INCHES IN
CONNECTION TYPETHREADED EXTERNAL PIPE FIRST END
BURST TEST PRESSURE2000.0 POUNDS PER SQUARE INCH LBS
INSIDE SURFACE CONDITIONSMOOTH
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
466824-501Interchangeable
interchangeable cross-reference
interchangeable
6119Interchangeable
interchangeable cross-reference
interchangeable
6199Interchangeable
interchangeable cross-reference
interchangeable
50191Interchangeable
interchangeable cross-reference
interchangeable
6-17Interchangeable
Sangoma 617 DB37MALE-V.35MALE 6FT
interchangeable
1481-6-21W6-19Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 501A91?
501A91 is a HOSE ASSEMBLY,NONMETALLIC.
What parts can replace 501A91?
There are 17 known substitutes for 501A91: 466824-501, 6119, 6199 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 501A91?
501A91 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-00-052-3579. 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