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PartsTable / COMPONENT / 28-503-000
28-503-000 ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

PISTON,INTERNAL COMBUSTION ENGIN. Key specifications include special_features: RECORDS DEEPEST DEPTH OF DIVE; 2 IN. DIAL W/ COLOR CODED DEPTH ZONES;MEASUREMENT IN FEET UP TO 250 IN.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4220-01-092-8000, 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
28-503-000
NSN: 4220-01-092-8000
FSC: 4220
CAGE: 18181 — UNDER SEA INDUSTRIES INC SUB OF S C JOHNSON AND SON INC (USA)
SPECIFICATIONS
special_featuresRECORDS DEEPEST DEPTH OF DIVE; 2 IN. DIAL W/ COLOR CODED DEPTH ZONES;MEASUREMENT IN FEET UP TO 250 IN
NSN4220-01-092-8000
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available PISTON,INTERNAL COMBUSTION ENGIN TITLE COMPONENT PN 28-503-000 MFR PISTON,INTERNAL COMBUS
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURESRECORDS DEEPEST DEPTH OF DIVE; 2 IN. DIAL W/ COLOR CODED DEPTH ZONES;MEASUREMENT IN FEET UP TO 250 IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
1945HX1Interchangeable
interchangeable cross-reference
interchangeable
109B1-4Interchangeable
interchangeable cross-reference
interchangeable
A908196Interchangeable
interchangeable cross-reference
interchangeable
718670Interchangeable
interchangeable cross-reference
interchangeable
7021Interchangeable
interchangeable cross-reference
interchangeable
31042-0483Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 28-503-000?
28-503-000 is a PISTON,INTERNAL COMBUSTION ENGIN.
What parts can replace 28-503-000?
There are 23 known substitutes for 28-503-000: 1945HX1, 109B1-4, A908196 and 20 more. Substitute compatibility should be verified for your specific system.
Is 28-503-000 still available?
28-503-000 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