MIL-R-5757/1K
Qualification by similarity: If the relay case, frame, or enclosure contains integral electromagnetic relays (mounting means excepted) currently listed on the qualified products list of MIL-PRF-39016, reduced testing shall consist of subjecting four sample units to the shock and vibration requirements of this specification sheet. Post tests shall include insulation resistance, dielectric withstanding voltage and electrical characteristics, and seal. One unsealed unit shall be submitted to the qualifying activity.
Part or Identifying Number (PIN): M5757/1- (applicable dash numbers from table III).
TABLE III. PIN and applicable characteristics.
PIN M5757/1- |
Vibration |
Low level |
|
021 026 |
20 g's, 10 to 2,000 Hz 15 g's, 10 to 2000 Hz |
High level |
|
103 1/ |
15 g's, 10 to 2000 Hz |
Low to High level |
|
027 2/ |
20 g's, 10 to 2,000 Hz |
028 2/ |
20 g's, 10 to 2,000 Hz |
1/ Not for new design after 5 March 1969.
2/ Each relay possesses high level and low level capabilities; however, relays previously tested at high level loads shall not be used for low level applications.
Retention of qualification (applicable only to relay assemblies which contain integral relays): 4 units, M5757/1-026, group B tests as specified in MIL-R-5757 plus shock and vibration in three planes, electrical characteristics, and gross leak (seal).
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