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3L503 — SWITCH,CODE INDICATING WHEEL

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

3L503: SWITCH,CODE INDICATING WHEEL.

The SWITCH,CODE INDICATING WHEEL is a the manufacturer industrial component. Key specifications include body_width: 0.995 INCHES MINIMUM AND 1.005 INCHES MAXIMUM IN, body_height: 0.167 INCHES MAXIMUM IN, body_length: 2.303 INCHES MAXIMUM IN, features_provided: ELECTROSTATIC SENSITIVE, inclosure_configuration: FLAT PACK, design_function_and_quantity: 1 CONTROL. This part is cataloged in the U.S.

Government catalog under NSN 5930-00-064-2732, 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
3L503
NSN: 5930-00-064-2732
FSC: 5930 — Switches
CAGE: 07126 — ELECTRO SWITCH CORP. DBA ELECTRO SWITCH CORP DIV DIGITRAN A UNIT OF ELECTRO SWITCH (USA)
SPECIFICATIONS
body_width0.995 INCHES MINIMUM AND 1.005 INCHES MAXIMUM IN
body_height0.167 INCHES MAXIMUM IN
body_length2.303 INCHES MAXIMUM IN
features_providedELECTROSTATIC SENSITIVE
inclosure_configurationFLAT PACK
design_function_and_quantity1 CONTROL
NSN5930-00-064-2732
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SWITCH,CODE INDICATING WHEEL TITLE COMPONENT PN 3L503 MFR SWITCH,CODE INDICATING
SUBSTITUTES & CROSS-REFERENCES 2
655397Reference document
Same NSN cross-reference
Reference document — Secondary reference
3L191Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3L503?
3L503 is a SWITCH,CODE INDICATING WHEEL.
What parts can replace 3L503?
There are 2 known substitutes for 3L503: 655397, 3L191. Substitute compatibility should be verified for your specific system.
What is the NSN for 3L503?
3L503 is cataloged in the U.S. Government catalog under NSN 5930-00-064-2732. 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.