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Technical Data Sheet
PartsTable / COMPONENT / 503-C
503-C ✓ 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

The VALVE,ALTITUDE COMPENSATOR is a the manufacturer industrial component. Key specifications include material: GLASS WINDOW, head_type: MECHANICAL, thread_size: 5/8-18, terminal_type: TAB, SOLDER LUG, trip_odometer: NOT PROVIDED, indicator_type: NEEDLE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5935-00-236-9417, 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-C
NSN: 5935-00-236-9417
FSC: 5935
CAGE: 80331 — UTAH-AMERICAN CORP (USA)
SPECIFICATIONS
materialGLASS WINDOW
head_typeMECHANICAL
thread_size5/8-18
terminal_typeTAB, SOLDER LUG
trip_odometerNOT PROVIDED
indicator_typeNEEDLE
mounting_methodCLAMP
thread_directionRIGHT-HAND
case_overall_depth2.312 INCHES MAXIMUM IN
illuminative_methodEXTERNAL
nominal_thread_size0.375 INCHES IN
odometer_total_range+0.0 TO 99999.9 MILES
NSN5935-00-236-9417
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available VALVE,ALTITUDE COMPENSATOR TITLE COMPONENT PN 503-C MFR VALVE,ALTITUDE COMPENS
KEY FEATURES
•
JACK CONTACT ARRANGEMENT DESIGNATOR: J1-1B
•
THREAD SERIES DESIGNATOR: UNEF
•
FINGER ACCOMMODATION DIAMETER: 0.250 INCHES NOMINAL SINGLE FINGER IN
•
BUSHING THRU-HOLE ACCOMMODATION DIAMETER: 0.375 INCHES NOMINAL IN
•
FINGER ACCOMMODATION LENGTH: 1.187 INCHES NOMINAL SINGLE FINGER IN
•
NOMINAL THREAD SIZE: 0.375 INCHES IN
•
BUSHING ACCOMMODATION HOLE SHAPE: ROUND
•
TERMINAL TYPE: TAB, SOLDER LUG
TECHNICAL CHARACTERISTICS (FLIS)
JACK CONTACT ARRANGEMENT DESIGNATORJ1-1B
THREAD SERIES DESIGNATORUNEF
FINGER ACCOMMODATION DIAMETER0.250 INCHES NOMINAL SINGLE FINGER IN
BUSHING THRU-HOLE ACCOMMODATION DIAMETER0.375 INCHES NOMINAL IN
FINGER ACCOMMODATION LENGTH1.187 INCHES NOMINAL SINGLE FINGER IN
NOMINAL THREAD SIZE0.375 INCHES IN
BUSHING ACCOMMODATION HOLE SHAPEROUND
TERMINAL TYPETAB, SOLDER LUG
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
1582373Interchangeable
interchangeable cross-reference
interchangeable
MS39021-2Interchangeable
interchangeable cross-reference
interchangeable
1581256Interchangeable
interchangeable cross-reference
interchangeable
8227061-01Interchangeable
interchangeable cross-reference
interchangeable
04100176Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 503-C?
503-C is a VALVE,ALTITUDE COMPENSATOR.
What parts can replace 503-C?
There are 5 known substitutes for 503-C: 1582373, MS39021-2, 1581256 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 503-C?
503-C is cataloged in the Federal Logistics Information System (FLIS) under NSN 5935-00-236-9417. 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