PartsTable
Technical Data Sheet
PartsTable / MRO / 3666-142-5
3666-142-5 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
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 body_style: BUSHING MOUNTED, body_width: 0.450 INCHES NOMINAL IN, body_height: 0.410 INCHES NOMINAL IN, body_length: 0.500 INCHES NOMINAL IN, thread_class: 2A A, overall_width: 0.450 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5930-00-107-5442, 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
MRO→ MRO_GENERAL→ 3666-142-5
NSN: 5930-00-107-5442
FSC: 5930
CAGE: 13859 — KING NUTRONICS CORPORATION DBA KING NUTRONICS (USA)
SPECIFICATIONS
body_styleBUSHING MOUNTED
body_width0.450 INCHES NOMINAL IN
body_height0.410 INCHES NOMINAL IN
body_length0.500 INCHES NOMINAL IN
thread_class2A A
overall_width0.450 INCHES NOMINAL IN
bushing_length0.250 INCHES NOMINAL IN
inclosure_typeFULLY INCLOSED
overall_height1.045 INCHES NOMINAL IN
overall_length0.500 INCHES NOMINAL IN
actuator_height0.230 INCHES NOMINAL IN
mounting_methodTHREADED BUSHING
NSN5930-00-107-5442
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SWITCH,PUSH TITLE COMPONENT PN 3666-142-5 MFR SWITCH,PUSH
KEY FEATURES
•
NONPILE-UP CONTACT ARRANGEMENT: 2 POLE, DOUBLE THROW, ONE POSITION MOMENTARY SINGLE SWITCH UNIT
•
BODY LENGTH: 0.500 INCHES NOMINAL IN
•
MAXIMUM VOLTAGE RATING IN VOLTS: 115.0 AC AND 28.0 DC
•
BODY WIDTH: 0.450 INCHES NOMINAL IN
•
THREAD SERIES DESIGNATOR: UNS
•
NOMINAL THREAD SIZE: 0.250 INCHES IN
•
BUSHING LENGTH: 0.250 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
NONPILE-UP CONTACT ARRANGEMENT2 POLE, DOUBLE THROW, ONE POSITION MOMENTARY SINGLE SWITCH UNIT
BODY LENGTH0.500 INCHES NOMINAL IN
MAXIMUM VOLTAGE RATING IN VOLTS115.0 AC AND 28.0 DC
BODY WIDTH0.450 INCHES NOMINAL IN
OVERALL HEIGHT1.045 INCHES NOMINAL IN
THREAD SERIES DESIGNATORUNS
NOMINAL THREAD SIZE0.250 INCHES IN
BUSHING LENGTH0.250 INCHES NOMINAL IN
PRECIOUS MATERIAL AND LOCATIONTERMINAL SURFACES GOLD
OVERALL WIDTH0.450 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
8438363Interchangeable
interchangeable cross-reference
interchangeable
8-221Interchangeable
interchangeable cross-reference
interchangeable
NCS1603Interchangeable
interchangeable cross-reference
interchangeable
CT571Interchangeable
interchangeable cross-reference
interchangeable
RE49F243Interchangeable
interchangeable cross-reference
interchangeable
756-2006Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3666-142-5?
3666-142-5 is a SWITCH,PUSH. It is classified as a MRO (MRO_GENERAL).
What parts can replace 3666-142-5?
There are 19 known substitutes for 3666-142-5: 8438363, 8-221, NCS1603 and 16 more. Substitute compatibility should be verified for your specific system.
Is 3666-142-5 still available?
3666-142-5 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026