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491-SC3 — SWITCH,FOOT

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

491-SC3: SWITCH,FOOT.

The SWITCH,FOOT is a the manufacturer industrial component. Key specifications include body_style: RECTANGULAR PEDAL, body_width: 2.500 INCHES NOMINAL IN, body_height: 1.125 INCHES NOMINAL IN, body_length: 2.875 INCHES NOMINAL IN, overall_width: 2.500 INCHES NOMINAL IN, overall_height: 1.125 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5930-00-576-9927, 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
491-SC3
NSN: 5930-00-576-9927
FSC: 5930 — Switches
CAGE: 97918 — LINEMASTER SWITCH CORPORATION DBA LINEMASTER SWITCH CORP (USA)
SPECIFICATIONS
body_styleRECTANGULAR PEDAL
body_width2.500 INCHES NOMINAL IN
body_height1.125 INCHES NOMINAL IN
body_length2.875 INCHES NOMINAL IN
overall_width2.500 INCHES NOMINAL IN
overall_height1.125 INCHES NOMINAL IN
overall_length2.875 INCHES NOMINAL IN
special_featuresWIRE LEADS 48 IN. LG IN
terminal_type_and_quantity2 WIRE LEAD
nonpile-up_contact_arrangement1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION SINGLE SWITCH UNIT
maximum_voltage_rating_in_volts125.0 AC
contact_load_current_rating_at_maximum_rated_voltage10.000 AMPERES RESISTIVE AC
NSN5930-00-576-9927
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SWITCH,FOOT TITLE COMPONENT PN 491-SC3 MFR SWITCH,FOOT
KEY FEATURES
•
BODY STYLE: RECTANGULAR PEDAL
•
BODY WIDTH: 2.500 INCHES NOMINAL IN
•
BODY HEIGHT: 1.125 INCHES NOMINAL IN
•
BODY LENGTH: 2.875 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT1.125 INCHES NOMINAL IN
BODY STYLERECTANGULAR PEDAL
BODY WIDTH2.500 INCHES NOMINAL IN
BODY HEIGHT1.125 INCHES NOMINAL IN
OVERALL LENGTH2.875 INCHES NOMINAL IN
OVERALL WIDTH2.500 INCHES NOMINAL IN
BODY LENGTH2.875 INCHES NOMINAL IN
SPECIAL FEATURESWIRE LEADS 48 IN. LG IN
NONPILE-UP CONTACT ARRANGEMENT1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION SINGLE SWITCH UNIT
MAXIMUM VOLTAGE RATING IN VOLTS125.0 AC
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 491-SC3?
491-SC3 is a SWITCH,FOOT.
What is the NSN for 491-SC3?
491-SC3 is cataloged in the U.S. Government catalog under NSN 5930-00-576-9927. 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.