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501A4 ✓ 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 color: BLACK, width: 1.500 INCHES NOMINAL IN, length: 5.000 FEET NOMINAL FT, material: STEEL BODY, cup_width: 0.9375 INCHES NOMINAL IN, end_style: VERTEX BELOW CENTER. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-00-018-5425, 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
501A4
NSN: 4720-00-018-5425
FSC: 4720
CAGE: 44940 — CUMMINS POWER GENERATION INC. (USA)
SPECIFICATIONS
colorBLACK
width1.500 INCHES NOMINAL IN
length5.000 FEET NOMINAL FT
materialSTEEL BODY
cup_width0.9375 INCHES NOMINAL IN
end_styleVERTEX BELOW CENTER
tab_width0.250 INCHES IN
unit_typeCOMBINATION SCREWDRIVER/WRENCH
body_styleSTRAIGHT THRU
cone_width1.1875 INCHES NOMINAL IN
head_styleROUND
point_size0.094 INCHES IN
NSN4720-00-018-5425
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: 501A4 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
1370-L130Interchangeable
interchangeable cross-reference
interchangeable
A8826Interchangeable
interchangeable cross-reference
interchangeable
605142Interchangeable
interchangeable cross-reference
interchangeable
266609Interchangeable
interchangeable cross-reference
interchangeable
501-0004Interchangeable
interchangeable cross-reference
interchangeable
363935-2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 501A4?
501A4 is a HOSE ASSEMBLY,NONMETALLIC.
What parts can replace 501A4?
There are 18 known substitutes for 501A4: 1370-L130, A8826, 605142 and 15 more. Substitute compatibility should be verified for your specific system.
Is 501A4 still available?
501A4 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