MIL-PRF-19978/2E
TABLE II. Terminal-to-terminal insulation resistance.
Capacitance rating
Minimum insulation resistance
At 25°C
Characteristic K
0 to 0.6 microfarad
25,000 megohms
Greater than 0.6 microfarad
15,000 megohm-microfarads 1/
At 125°C
0 to 0.08 microfarad
250 megohms
Greater than 0.08 microfarad
20 megohm-microfarads 1/
1/ Product obtained by multiplying the capacitance in microfarads
by the insulation resistance in megohms.
TABLE III. Millimeter equivalents of decimal inches.
Inches
mm
Inches
mm
.031
0.79
2.000
50.80
.062
1.57
2.250
57.15
.531
13.49
2.500
63.50
.625
15.88
2.750
69.85
.750
19.05
3.000
75.20
.875
22.23
3.250
82.55
1.031
26.19
3.500
88.90
1.188
30.18
3.750
95.25
1.344
34.14
4.250
107.95
1.562
39.67
4.750
114.30
1.750
44.45
5.250
133.35
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.
Custodians:
Preparing activity:
Army - CR
DLA - CC
Navy - EC
Air Force - 85
(Project 5910-2009-046)
DLA - CC
Review activities:
Navy - MC
Air Force - 19, 99
NOTE: The activities listed above were interested in this document as of the date of this document. Since
organizations and responsibilities can change, you should verify the currency of the information above using the
ASSIST Online database at https://assist.daps.dla.mil/.
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