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Technical Data Sheet
PartsTable / COMPONENT / 66628-1
66628-1 ✓ 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 PLUNGER,ACTUATOR is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3950-01-056-5368, 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
66628-1
NSN: 3950-01-056-5368
FSC: 3950
CAGE: 82340 — L3HARRIS TECHNOLOGIES, INC. DIV SPACE AND AIRBORNE SYSTEMS (USA)
SPECIFICATIONS
general_characteristics_item_descriptionSTEEL CASE; PAINTED GRAY; PLASTIC/NYLON/ SPRING LOADED PLUNGER; W/INTERNAL STEEL ACTUATOR ARM; W/SMALL SPRING LOADED PLASTIC PLUNGER; 1.660 IN. W; 4.375 O/A H; 5.115 IN. O/A LG IN
NSN3950-01-056-5368
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SWITCH PLUNGER,ACTUATOR TITLE COMPONENT PN 66628-1 MFR SWITCH PLUNGER,ACTUATO
KEY FEATURES
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: STEEL CASE; PAINTED GRAY; PLASTIC/NYLON/ SPRING LOADED PLUNGER; W/INTERNAL STEEL ACTUATOR ARM; W/SMALL SPRING LOADED PLASTIC PLUNGER; 1.660 IN. W; 4.375 O/A H; 5.115 IN. O/A LG IN
TECHNICAL CHARACTERISTICS (FLIS)
GENERAL CHARACTERISTICS ITEM DESCRIPTIONSTEEL CASE; PAINTED GRAY; PLASTIC/NYLON/ SPRING LOADED PLUNGER; W/INTERNAL STEEL ACTUATOR ARM; W/SMALL SPRING LOADED PLASTIC PLUNGER; 1.660 IN. W; 4.375 O/A H; 5.115 IN. O/A LG IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
CP735-0Interchangeable
interchangeable cross-reference
interchangeable
DF282Interchangeable
interchangeable cross-reference
interchangeable
66628Interchangeable
interchangeable cross-reference
interchangeable
1002987Interchangeable
interchangeable cross-reference
interchangeable
26-0300-03-01Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 66628-1?
66628-1 is a SWITCH PLUNGER,ACTUATOR.
What parts can replace 66628-1?
There are 5 known substitutes for 66628-1: CP735-0, DF282, 66628 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 66628-1?
66628-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3950-01-056-5368. 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