Model: E21-5061A003

Frequency Standard

Special Features:

Opt e21 denotes flying clock & power supply; opt 003 denotes combination of opt 001 time standard & opt 002 standby power supply

Properties:

Overall Depth
21.500 inches
Overall Height
15.938 inches
Overall Width
16.750 inches
Ac Voltage Rating
115.0 volts and 230.0 volts
Dc Voltage Rating
Between 22.0 volts and 30.0 volts
Frequency Rating
Between 50.0 hertz and 400.0 hertz
Frequency Range Rating
+0.001/+100.000 kilohertz
End Application
Electronic test equipment
Unit Type
Standard
Unpackaged Unit Weight
64.000 pounds
Recording Device Accommodation
Not provided
Phase
Single
Supplementary Features
Cesium beam 100khz, 1mhz, & 5mhz
NSN
6625-00-890-6493
Part Number
E21-5061A003
Description
Frequency Standard
CAGE
1LQK8

An item that can generate a fundamental frequency with a high degree of accuracy. Harmonics of this fundamental are then used as a reference point for checking throughout the radio spectrum. The standard may be stable crystal oscillator, noncrystal oscillator, tuning fork, atomic beam, molecular beam, gas cell, quantum mechanical resonator, or the like.

Part E21-5061A003 NSN 6625-00-890-6493

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
42641
FIIG:
T263-R
Concept No.:
App. Key:
RA
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
P
PMIC:
A
ESD:
ESD:
MMAC:
RH
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
35.0 X 25.0 X 18.5
Paclk Weight:
115.0000lbs
Item Weight:
0.0000lbs
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
M
SPI No.:
F000004XE9
SPI Rev.:
SPC Mkg:
00
LVL_A:
LVL_B:

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
061700
UFC:
34580
LTL:
RATING VARIABLE
LCL:
77.5
WCC:
72D
TCC:
Z
SHC:
Q
ACC:
Equipment for Aircraft

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Schedule B and Export
  • Schedule B: 9030908030
  • SITC: 87479
  • End Use: Measuring, testing, control instruments
  • NAICS: 334515
  • USDA: 1

Freight Class: Parts and accessories of articles of schedule b subheading 9030.39

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