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Technical Data Sheet
66S04B ✓ 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,PUSH is a the manufacturer industrial component. Key specifications include color: NATURAL SINGLE ACTUATOR, body_style: BUSHING MOUNTED, body_length: 1.290 INCHES NOMINAL IN, thread_class: 2A A, body_diameter: 0.615 INCHES MINIMUM AND 0.650 INCHES MAXIMUM IN, actuator_style: ROUND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5930-00-006-7195, 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
66S04B
NSN: 5930-00-006-7195
FSC: 5930
CAGE: 12522 — STACO SYSTEMS, INC. DBA STACO SYSTEMS DIV DBA STACO SYSTEMS (USA)
SPECIFICATIONS
colorNATURAL SINGLE ACTUATOR
body_styleBUSHING MOUNTED
body_length1.290 INCHES NOMINAL IN
thread_class2A A
body_diameter0.615 INCHES MINIMUM AND 0.650 INCHES MAXIMUM IN
actuator_styleROUND
bushing_length0.420 INCHES NOMINAL IN
inclosure_typeFULLY INCLOSED
overall_length2.100 INCHES NOMINAL IN
actuator_height0.270 INCHES NOMINAL IN
mounting_methodTHREADED BUSHING
overall_diameter0.633 INCHES NOMINAL IN
NSN5930-00-006-7195
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SWITCH,PUSH TITLE COMPONENT PN 66S04B MFR SWITCH,PUSH
KEY FEATURES
THREAD CLASS: 2A A
ACTUATOR STYLE: ROUND
ILLUMINATED ACTUATOR COLOR: NATURAL SINGLE ACTUATOR
MAXIMUM VOLTAGE RATING IN VOLTS: 115.0 AC AND 28.0 DC
CONTACT LOAD CURRENT RATING AT MAXIMUM RATED VOLTAGE: 2.000 AMPERES RESISTIVE DC AND 1.500 AMPERES INDUCTIVE DC AND 500.000 MILLIAMPERES LAMP DC AND 2.000 AMPERES RESISTIVE AC AND 1.500 AMPERES INDUCTIVE AC AND 500.000 MILLIAMPERES LAMP AC
NONPILE-UP CONTACT ARRANGEMENT: 1 TWO CIRCUIT, DOUBLE BREAK/DOUBLE MAKE, BOTH POSITIONS MAINTAINED SINGLE SWITCH UNIT
FEATURES PROVIDED: ACTUATOR SEAL
MOUNTING METHOD: THREADED BUSHING
TECHNICAL CHARACTERISTICS (FLIS)
THREAD CLASS2A A
ACTUATOR STYLEROUND
ILLUMINATED ACTUATOR COLORNATURAL SINGLE ACTUATOR
MAXIMUM VOLTAGE RATING IN VOLTS115.0 AC AND 28.0 DC
CONTACT LOAD CURRENT RATING AT MAXIMUM RATED VOLTAGE2.000 AMPERES RESISTIVE DC AND 1.500 AMPERES INDUCTIVE DC AND 500.000 MILLIAMPERES LAMP DC AND 2.000 AMPERES RESISTIVE AC AND 1.500 AMPERES INDUCTIVE AC AND 500.000 MILLIAMPERES LAMP AC
NONPILE-UP CONTACT ARRANGEMENT1 TWO CIRCUIT, DOUBLE BREAK/DOUBLE MAKE, BOTH POSITIONS MAINTAINED SINGLE SWITCH UNIT
FEATURES PROVIDEDACTUATOR SEAL
MOUNTING METHODTHREADED BUSHING
TERMINAL TYPE AND QUANTITY8 TAB, SOLDER LUG
SPECIFICATION/STANDARD DATA81349-MIL-S-22885/18 GOVERNMENT SPECIFICATION
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
MIL-S-22885/18Interchangeable
Same NIIN cross-reference
interchangeable
MIL-PRF-22885/18Interchangeable
Same NIIN cross-reference
interchangeable
M22885/18-08Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 66S04B?
66S04B is a SWITCH,PUSH.
What parts can replace 66S04B?
There are 3 known substitutes for 66S04B: MIL-S-22885/18, MIL-PRF-22885/18, M22885/18-08. Substitute compatibility should be verified for your specific system.
What is the NSN for 66S04B?
66S04B is cataloged in the Federal Logistics Information System (FLIS) under NSN 5930-00-006-7195. This indicates validated use in U.S. government and defense supply chains.
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