Aircraft Spruce Canada
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Press-To-Test MS25041-10 Blue
MFR Model# MS25041-10
Overview
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Miniature press-to-test indicator with built-in bulb testing device. Adjustable dimmer. Uses #330 (12V) or #327 (24V) bulb. Bulbs NOT included, order separately. Part numbers for replacement bulbs are 11-04016 (GE-330) and 11-04015 (GE-327). See "Accessories" tab to purchase. |
Reference Chart
Documents
- Drawing (PDF)
Reviews
Unchanged in 50 years. Did the job for the Navy then, works good in the Bo now.
perfect
They are very well done and They work.
Used this as my ads-b ‘fail’ light. Worked out great
Fast shipping, easy order placement, thanks!
The press to test light came without a bulb in it’ How disappointing!
I was surprised to find that the dimming of the bulb is accomplished by a shutter, similar to what controls the amount of light coming through a camera lens and not electrically controlled. Not bad just different. Not installed yet. Just bench tested.
As expected... would have been nice if they would include wiring diagram..
Good quality, a bit over priced. Do not forget to order the bulb sold seperatly!
Q&A
Please note, Aircraft Spruce Canada's personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. Aircraft Spruce Canada assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Any product eligibility information provided here is based on general application guides and we recommend always referring to your specific aircraft parts manual, the parts manufacturer or consulting with a qualified mechanic.
The mounting hole should be approx 15/32", and the lens is .650".
Part numbers for replacement bulbs are 11-04016 (GE-330) and 11-04015 (GE-327). See "Accessories" tab to purchase.
There are three prongs labeled labled 1, 2 and 3. When hooked up, 1 is ground, 1 & 3 is on and 1 & 2 is off.
We have added a drawing to the 'Documents' tab of this web page. Please review the details by downloading the PDF.
Yes, these are MIL spec units and can be used in certified aircraft per the manufacturer.
If the aircraft is 14v you would use the ge-330(14V .08A) or if 28v (28V .04A.) It would depend on your voltage.
