INCH-POUND
MIL-PRF-3098/118E
11 July 2011
SUPERSEDING
MIL-PRF-3098/118D
27 July 2005
PERFORMANCE SPECIFICATION SHEET
CRYSTAL UNIT, QUARTZ, CR139/U
This specification is approved for use by all Departments
and Agencies of the Department of Defense.
The requirements for acquiring the product described herein
shall consist of this specification sheet and MIL-PRF-3098.
Pertinent characteristics: 20 MHz to 22 MHz; fundamental; noncontrolled; antiresonance.
Ltr
Inches
mm
Min
Max
Min
Max
A
---
.402
---
10.21
B
---
.183
---
4.65
C
---
.435
---
11.05
D
.184
.200
4.67
5.08
E
---
.530
---
13.46
F
.50
---
12.7
---
G
---
.150
---
3.81
H
.015
.019
0.38
0.48
NOTES:
1. Dimensions are in inches.
2. Metric equivalents are given for general information only.
3. Marking to be in accordance with MIL-PRF-3098.
FIGURE 1. Crystal unit - CR139/U.
AMSC N/A
FSC 5955
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