MS90578C
NOTES:
1. Dimensions are in inches.
2. Metric equivalents are given for information only.
3. Unless otherwise specified tolerances are ±.02 (.51 mm) and ±.005 (.13 mm).
FIGURE 1. Type UG-1441/U connector - Continued.
Dimensions and configuration: In accordance with figure 1 and MIL-STD-348 for 8NC pin contact interface.
Frequency range: 500 MHz, maximum.
Voltage rating: 500 volts rms, maximum at 60 Hz.
Corrosion: In accordance with MIL-STD-202, method 101, test condition 8. Finish:
Center contact. The male pin shall be plated to a minimum gold thickness of 50 micro inches (1.27µm) in accordance with ASTM 8488, type II, code C, class 1.27, over 50 micro inches (1.27µm) minimum of nickel in accordance with SAE-AMS-QQ-N-290, class 1, measured anywhere along the mating surface, for all series. The socket contact shall be plated to a minimum of 50 micro inches (1.27 µm) of gold in accordance with ASTM 8488, type II, code C, class 1.27, over 50 micro inches (1.27 µm) minimum of nickel in accordance with SAE-AMS-QQ-N-290, class 1, including the ID, measured at a depth of .040 inch minimum. The plating on non-significant surfaces in the ID shall be of sufficient thickness to ensure plating continuity and uniform utility and protection. This plating may consist of an underplate only. A silver underplate shall not be permitted.
All other parts. All other parts shall be silver plated to a minimum thickness of 0.0002 inches (0.005 mm) in accordance with ASTM 8700.
Materials:
Ferrules: Nylon in accordance with ASTM D4066 or phenolic in accordance with ASTM D5948.
Metal parts: 8rass in accordance with ASTM 8121/8121M, ASTM 836/836M, ASTM 816/816M and ASTM 8124/8124M. Silver plated to a minimum thickness of 200 microinches in accordance with ASTM 8700 or nickel plated 200 microinches minimum in accordance with SAE-AMS-QQ-N-290.
8ody: Styrene in accordance with L-P-516 or acrylonitrile-butodiene-styrene in accordance with
ASTM D4673.
Part or Identifying Number (PIN): MS90578-1441.
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