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Technical Data Sheet
PartsTable / COMPONENT / 503-0501
503-0501 ✓ 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 SEMICONDUCTOR DEVICE,DIODE is a the manufacturer industrial component. Key specifications include working_length: 22.000 INCHES NOMINAL IN, style_designator: TWO BEND, end_item_identification: MARINE GENERATOR, HEAT EXCHANGER, MODEL MDKBD/E/F. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-01-514-7651, 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
503-0501
NSN: 4720-01-514-7651
FSC: 4720
CAGE: 44940 — CUMMINS POWER GENERATION INC. (USA)
SPECIFICATIONS
working_length22.000 INCHES NOMINAL IN
style_designatorTWO BEND
end_item_identificationMARINE GENERATOR, HEAT EXCHANGER, MODEL MDKBD/E/F
NSN4720-01-514-7651
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: 503-0501 · 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
•
WORKING LENGTH: 22.000 INCHES NOMINAL IN
•
STYLE DESIGNATOR: TWO BEND
TECHNICAL CHARACTERISTICS (FLIS)
WORKING LENGTH22.000 INCHES NOMINAL IN
END ITEM IDENTIFICATIONMARINE GENERATOR, HEAT EXCHANGER, MODEL MDKBD/E/F
STYLE DESIGNATORTWO BEND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
5031-163Interchangeable
interchangeable cross-reference
interchangeable
1N4469Interchangeable
interchangeable cross-reference
interchangeable
1662943Interchangeable
interchangeable cross-reference
interchangeable
2221299Interchangeable
interchangeable cross-reference
interchangeable
6520NCM249584Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 503-0501?
503-0501 is a SEMICONDUCTOR DEVICE,DIODE.
What parts can replace 503-0501?
There are 5 known substitutes for 503-0501: 5031-163, 1N4469, 1662943 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 503-0501?
503-0501 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-01-514-7651. 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