Ball Efratom M-100 Rubidium Oscillator Operation and Maintenance Manual http://www.to-way.com/tf/m100.pdf The Manual will provide additional details for this M-100, such as rectangular and SMA connectors (10 MHz output).
The M-100 was designed and built for the US military (DoD) by the Efratom division of Ball. M38748/8-D is Winchester Interconnect rectangular rack/panel connector (Military Part Number: M28748/8-D00F1A) https://www.winconn.com/win_product/m28748-8-d00f1a/ Vishay-Dale is another manufacturer of the M28748/7/8 rectangular connector. Data sheet from Mouser (July 2017), with part number cross-reference. https://www.mouser.com/datasheet/2/427/mc28748-279989.pdf In the 21st century, “M24308” is the common Rectangular connector used by Military and this older connector (used by M-100) is marked EOL by some manufacturers. == “Winchester” is Winchester Interconnect, a manufacturer of a variety of connectors for electronics industry and military, based in Norwalk, Connecticut. https://www.winconn.com/ Winchester Interconnect has a large number of commercial and military distributors, including Mouser, Digi-Key, Allied, Newark, Future, Master, Anixter, etc. https://www.winconn.com/distributors/ Since multiple manufacturers supplied this M28748/8-D00F1A mating connector, you MAY find different situations by connector manufacturers (End of Life, “high prices”, Build to Order, or minimum quantity). Searching (scrounging) thru various military surplus dealers (and eBay) may reveal reasonable pricing for time-nut hobbyist. greg chicago === Date: Wed, 1 Dec 2021 21:33:59 +0000 From: Henry Newton <eequal...@msn.com> Subject: [time-nuts] Mating connector for Ball M-100 rubidium To: "time-nuts@lists.febo.com" <time-nuts@lists.febo.com> Hello, I’m look for a Winchester M38748/8-D mating connector for my rubidium Ball M-100. I got some kluged female pins from my junk box to get the standard running, but would like something more permanent. Thanks for your help, Henry _______________________________________________ time-nuts mailing list -- time-nuts@lists.febo.com -- To unsubscribe send an email to time-nuts-le...@lists.febo.com To unsubscribe, go to and follow the instructions there.
