MIL-PRF-1/1709B
TABLE I. Testing and inspection - Continued.
1/ Unless otherwise specified, the acceptance level for all tests listed under conformance inspection, part 1, shall be 1.0, in
accordance with the accept on zero defect (c = 0) sampling plans, Table III of MIL-PRF-1.
2/ A swept-frequency method may be used for this test.
3/ The maximum peak flat leakage shall not exceed the specified limit when tested from zero to 4 kw peak power.
4/ The position of short shall be 0.085 inch (2.16 mm) further from the magnetron within the limits specified.
5/ The input flange only of the tube under test (TUT) shall be immersed in water during this test.
6/ At the conclusion of this test, the TUT shall satisfy the specified recovery time test.
7/ This type physically and functionally replaces types MD-80C17 and VDC-1029 (NSN 5960-00-106-0423), and can replace type
5865 (5960-00-262-0174). This information in no way implies that the manufacturer's types are suitable as substitutes for the
military types.
NOTE: When type 5865 is replaced by type 8919, the keep-alive (ignitor) supply shall be disabled and the lead removed or tied
securely.
8/ This test shall be performed only during qualification inspection.
9/ This test (or figure 1 dimensions) shall be performed (or checked) during the initial production and once each succeeding 12-
calendar month period in which there is production. A regular double sampling plan shall be used, with the first sample of three
tubes having an acceptance number of zero, and a second sample of three tubes having a combined acceptance number of one. In
the event of failure, these dimensions shall be made as a part of conformance inspection, part 2, with an acceptance level of 6.5,
inspection level S3 (code D for figure 1 dimensions). The regular "12-calendar month" double sampling plan shall be reinstated
after three consecutive samples have been accepted.
10/ Revision letters are not used in this revision to identify changes with respect to the previous issue due to the extensiveness of the
changes.
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