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Technical Data Sheet
PartsTable / COMPONENT / DD3491B
DD3491B ✓ 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 SWITCH,LEVER is a the manufacturer industrial component. Key specifications include body_style: HOLE MOUNTEDHOLE MOUNTED, body_width: 0.656 INCHES NOMINAL0.656 INCHES NOMINAL IN, body_height: 2.250 INCHES NOMINAL2.250 INCHES NOMINAL IN, body_length: 2.719 INCHES NOMINAL2.719 INCHES NOMINAL IN, overall_width: 0.656 INCHES NOMINAL0.656 INCHES NOMINAL IN, actuator_style: ROUNDROUND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5930-00-259-7587, 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
DD3491B
NSN: 5930-00-259-7587
FSC: 5930
CAGE: 18778 — THALES COMPONENTS CORP DIV THALES COMPONENTS CORPORATION (USA)
SPECIFICATIONS
body_styleHOLE MOUNTEDHOLE MOUNTED
body_width0.656 INCHES NOMINAL0.656 INCHES NOMINAL IN
body_height2.250 INCHES NOMINAL2.250 INCHES NOMINAL IN
body_length2.719 INCHES NOMINAL2.719 INCHES NOMINAL IN
overall_width0.656 INCHES NOMINAL0.656 INCHES NOMINAL IN
actuator_styleROUNDROUND
inclosure_typeUNINCLOSEDUNINCLOSED
overall_height4.688 INCHES NOMINAL4.688 INCHES NOMINAL IN
overall_length2.250 INCHES NOMINAL2.250 INCHES NOMINAL IN
actuator_height1.344 INCHES NOMINAL1.344 INCHES NOMINAL IN
mounting_methodUNTHREADED HOLE(S)UNTHREADED HOLE(S)
terminal_type_and_quantity6 TAB, SOLDER LUG6 TAB, SOLDER LUG
NSN5930-00-259-7587
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SWITCH,LEVER TITLE COMPONENT PN DD3491B MFR SWITCH,LEVER
KEY FEATURES
•
BODY HEIGHT: 2.250 INCHES NOMINAL2.250 INCHES NOMINAL IN
•
TERMINAL TYPE AND QUANTITY: 6 TAB, SOLDER LUG6 TAB, SOLDER LUG
•
PILE-UP CONTACT FORM ARRANGEMENT: 1K FIRST POSITION1K FIRST POSITION
•
CONTACT LOAD CURRENT RATING AT MAXIMUM RATED VOLTAGE: 3.000 AMPERES RESISTIVE AC3.000 AMPERES RESISTIVE AC
•
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO HEIGHT: 1.938 INCHES NOMINAL1.938 INCHES NOMINAL IN
•
ACTUATOR POSITION-ACTION RELATIONSHIP: LEFT POSITION MAINTAINED AND LEFT POSITION MAINTAINED AND RIGHT POSITION MAINTAINEDRIGHT POSITION MAINTAINED
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL HEIGHT4.688 INCHES NOMINAL4.688 INCHES NOMINAL IN
BODY HEIGHT2.250 INCHES NOMINAL2.250 INCHES NOMINAL IN
TERMINAL TYPE AND QUANTITY6 TAB, SOLDER LUG6 TAB, SOLDER LUG
PILE-UP CONTACT FORM ARRANGEMENT1K FIRST POSITION1K FIRST POSITION
OVERALL LENGTH2.250 INCHES NOMINAL2.250 INCHES NOMINAL IN
CONTACT LOAD CURRENT RATING AT MAXIMUM RATED VOLTAGE3.000 AMPERES RESISTIVE AC3.000 AMPERES RESISTIVE AC
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO HEIGHT1.938 INCHES NOMINAL1.938 INCHES NOMINAL IN
ACTUATOR POSITION-ACTION RELATIONSHIPLEFT POSITION MAINTAINED AND LEFT POSITION MAINTAINED AND RIGHT POSITION MAINTAINEDRIGHT POSITION MAINTAINED
ACTUATOR HEIGHT1.344 INCHES NOMINAL1.344 INCHES NOMINAL IN
OVERALL WIDTH0.656 INCHES NOMINAL0.656 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
28A480534Interchangeable
interchangeable cross-reference
interchangeable
XT7465Interchangeable
interchangeable cross-reference
interchangeable
51252Interchangeable
interchangeable cross-reference
interchangeable
00044Interchangeable
interchangeable cross-reference
interchangeable
2352381Interchangeable
interchangeable cross-reference
interchangeable
51481Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is DD3491B?
DD3491B is a SWITCH,LEVER.
What parts can replace DD3491B?
There are 17 known substitutes for DD3491B: 28A480534, XT7465, 51252 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for DD3491B?
DD3491B is cataloged in the Federal Logistics Information System (FLIS) under NSN 5930-00-259-7587. 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