User Manual
AMSC N/A    FSC 5955 
INCH-POUND 
MIL-PRF-55310/10J 
11 June 2009 
SUPERSEDING 
MIL-PRF-55310/10H 
24 February 2005 
PERFORMANCE SPECIFICATION SHEET 
OSCILLATOR, CRYSTAL CONTROLLED, TYPE 1 (CRYSTAL OSCILLATOR (XO)), 
1 kHz THROUGH 60 MHz, HERMETIC SEAL, SQUARE WAVE, TTL 
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-55310. 
NOTES: 
 1. Dimensions are in inches. 
 2.  Metric equivalents are given for general information only. 
 3  Standard marking, except omit Part or Identifying Number (PIN) this location. 
 4.  Unless otherwise specified, tolerances are ±.005 (0.13 mm) for three place decimals and ±.02 (0.5 mm) for two 
place decimals. 
 5.  Case to be connected to base pin 4 to permit shielding of the oscillator. 
 6.  All pins with NC function may be connected internally and are not to be used as external tie points or 
connections. 
 7.  Pin numbers shown on package are for reference only and need not appear on part. 
FIGURE 1. Dimensions and configuration
. 
Pin number  Function 
 1  NC 
 2  NC 
 3  NC 
 4  B - (GND/CASE)
(See note 5) 
 5  OUTPUT 
 6  NC 
 7  NC 
 8  B+ 
Ltr Inches  mm 
Min Max Min Max 
A --- .350 --- 8.89 
B .480  --- 12.19 --- 
C .016 .020 0.41 0.51 
D --- .040 --- 1.02 
E --- .565 --- 14.35 
F --- .510 --- 12.95 
G .277 .287 7.03 7.29 




