MIL-DTL-83729/4C
REQUIREMENTS:
Contact data:
Single pole, double throw, break before make.
Polarity: With positive voltage on pin 3 and negative voltage on pin 4, pins 6 and 7 will close.
Voltage and current: Dry circuit to 2 milliamperes at 10.0 V dc (maximum intermittent rating). 10 volts at 1
milliampere continuous rating maximum.
Coil data at 25°C:
Voltage rated: 5.7 to 6.9 volts rms.
Resistance: 155 ohms ± 10%.
Impedance: 153 to 197 ohms.
Frequency range: 57 to 63 Hz.
Waveform characteristics (at 25°C):
Dwell time: 167° ± 10°.
Dissymmetry: 15 degrees maximum.
Transfer time: 3 degrees minimum.
Phase angle: 20° ± 5° electrical degrees.
Noise level: 50 microvolts rms maximum, above system noise, between each contact and ground, across 1.0
megohm with the chopper operating.
Environmental conditions:
Dielectric withstanding voltage: 145 volts rms, 60 Hz or 200 volts dc for 60 seconds.
Insulation resistance: 100 megohms minimum between contacts and ground and 10 megohms minimum for
drive coil to ground.
Vibration I: 10 to 55 Hz at 0.060 inches maximum, double amplitude, nonoperating.
Shock: 100 g's as specified in MIL-STD-202, method 213, test condition I, nonoperating.
Temperature range: -65°C to 100°C.
Life: 2,000 hours, dry circuit @ 25° ± 5°C.
Mechanical:
Weight: .094 pound, maximum.
Dimensions: See figure 1.
Enclosure: Hermetically sealed, material brass, deep drawn, grey enamel finish over zinc chromate primer.
Header: 7 pin miniature, pins 1, 3, 4, 6, and 7 to be copper, compression glass bead insulators.
Terminals: Wire leads.
Mounting position: Any.
Part or Identifying Number (PIN): M83729/4-001.
Changes from previous issue. The margins of this specification are marked with vertical lines to indicate where
changes from the previous issue were made. This was done as a convenience only and the Government assumes
no liability whatsoever for any inaccuracies in these notations. Bidders and contractors are cautioned to evaluate the
requirements of this document based on the entire content irrespective of the marginal notations and relationship to
the last previous issue.
2
For Parts Inquires call Parts Hangar, Inc (727) 493-0744
© Copyright 2015 Integrated Publishing, Inc.
A Service Disabled Veteran Owned Small Business