MPA 103C
6.26 mm
.2460 inches od vs .2519
Spec says
6.3 vs 6.4mm
ebay stainless 250
caliper accuracy .04mm
washer measrues .2660 - .2790id-.2730 x .4290-.4295od correlates x.045 - .045thick
7/16" od
m6 looks like it will work.
McMaster
Stainl ess ebay $10
switch measure .2480
Ebay Versions zinc
star washers
| Provide
efficient locking action by spring tension and biting action of tapered
twisted teeth. Made of 1050 spring steel and cadmium plated per
specification QQ-P-416A, Type II, Class 3. Available with internal teeth
(Type A) or external teeth (Type B) |
MPA-103C
Pushbutton Switch, MPA Series, 6.4 mm, SPST-NO, Momentary, Round, Black
https://www.aircraftspruce.com/catalog/pnpages/04-03969.php?gclid=Cj0KCQiAmeKQBhDvARIsAHJ7mF5IG6hLC3FFW4VLSFNsuaO8VR4P1BbQyUsSBgSbLPF6ZI9SRp6BHGIaAphwEALw_wcB
Amazon 1/4"
Typical
performance characteristicsContact configuration . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . SPST SPDTContact timing. . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . Break-Before-MakeContact
rating max. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3A @ 125VACElectrical life. . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . 10,000 cyclesContact resistance, initial . . . .
. . . . . . . . . . . . . . . . . . . . 20 mOhms maxInsulation
resistance. . . . . . . . . . . . . . . . . . . . . . . . . . 1,000
MOhms minDielectric strength . . . . . . . . . . . . . . . . . . . .
1,000 Volts rms @ sea levelActuator travel . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . .098" (2.5mm)Actuator Force . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . SPST: 2.8 N
(.283). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . SPDT: 4.5 N (.453kg)Environmental specificationOperating
temperature . . . . . . . . . . . . . . . . . . . . . . . . . . -20°C to
+70°CStorage temperature . . . . . . . . . . . . . . . . . . . . . . . .
. . . . -40°C to +80°CSolder heat resistance . . . . . . hand solder
420°C max. 3 seconds max.. . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
.Material specificationsContacts . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . copper alloy silver cladActuator (button) . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . phenol
resinTerminals . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
copper alloy silver platedCase . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . thermoset plasticRoHS Directive
2002/95/EC . . . . . . . . . . . . . . . . . . . . . . . . . . .
compliant