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503-494 — SWITCH,SENSITIVE

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

503-494: SWITCH,SENSITIVE.

The SWITCH,SENSITIVE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4320 OVERALL, body_style: HOLE MOUNTED, bore_style: W/ KEYWAY BOTH ENDS, tooth_form: STANDARD, housing_width: 0.875 INCHES NOMINAL IN, actuator_style: RECTANGULAR. This part is cataloged in the U.S.

Government catalog under NSN 5930-00-504-6675, 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
503-494
NSN: 5930-00-504-6675
NIINs: 005046675, 011216429
FSC: 5930 — Switches
CAGE: 24379 — ACTION DICTOGRAPH TELECOMMUNICATION CORP DBA ACTION SYSTEMS COMPANY DIV (USA)
SPECIFICATIONS
materialSTEEL COMP 4320 OVERALL
body_styleHOLE MOUNTED
bore_styleW/ KEYWAY BOTH ENDS
tooth_formSTANDARD
housing_width0.875 INCHES NOMINAL IN
actuator_styleRECTANGULAR
actuator_width0.750 INCHES NOMINAL IN
housing_height1.312 INCHES NOMINAL IN
inclosure_typeFULLY INCLOSED
pitch_diameter1.5000 INCHES NOMINAL IN
pressure_angle20.0000 DEGREES
teeth_quantity24
NSN5930-00-504-6675
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SWITCH,SENSITIVE TITLE COMPONENT PN 503-494 MFR SWITCH,SENSITIVE
KEY FEATURES
•
INCLOSURE TYPE: FULLY INCLOSED
•
BODY STYLE: HOLE MOUNTED
•
HOUSING HEIGHT: 1.312 INCHES NOMINAL IN
•
ACTUATOR STYLE: RECTANGULAR
•
CENTER TO CENTER DISTANCE BETWEEN HOUSING MOUNTING FACILITIES PARALLEL TO WIDTH: 1.375 INCHES NOMINAL IN
•
ACTUATOR WIDTH: 0.750 INCHES NOMINAL IN
•
SWITCH ACTUATING FORCE: 14.0 OUNCES MAXIMUM OZ
•
SWITCH RELEASE FORCE: 3.0 OUNCES MINIMUM OZ
TECHNICAL CHARACTERISTICS
INCLOSURE TYPEFULLY INCLOSED
BODY STYLEHOLE MOUNTED
HOUSING HEIGHT1.312 INCHES NOMINAL IN
ACTUATOR STYLERECTANGULAR
CENTER TO CENTER DISTANCE BETWEEN HOUSING MOUNTING FACILITIES PARALLEL TO WIDTH1.375 INCHES NOMINAL IN
ACTUATOR WIDTH0.750 INCHES NOMINAL IN
SWITCH ACTUATING FORCE14.0 OUNCES MAXIMUM OZ
SWITCH RELEASE FORCE3.0 OUNCES MINIMUM OZ
ACTUATOR LENGTH0.875 INCHES NOMINAL IN
HOUSING WIDTH0.875 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 4
SM-D-207961Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
SW503494Reference document
Same NSN cross-reference
Reference document — Secondary reference
A9370Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
SA129-PTReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 503-494?
503-494 is a SWITCH,SENSITIVE.
What parts can replace 503-494?
There are 4 known substitutes for 503-494: SM-D-207961, SW503494, A9370 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 503-494?
503-494 is cataloged in the U.S. Government catalog under NSN 5930-00-504-6675. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.