Model: 218-0057-030

Frequency Standard

Properties:

Overall Depth
3.500 inches
Overall Height
3.250 inches
Overall Width
3.250 inches
Dc Voltage Rating
Between 22.5 volts and 32.0 volts
Frequency Range Rating
+0.000/+5.000 megahertz
End Application
Milstar
Frequency Band Quantity
1
Frequency Channel Quantity
1
Individual Channel Frequency
5.0 megahertz
Unit Type
Plug-in
Mounting Method
Tapped hole
Individual Plug-in Unit Frequency
5.0 megahertz
Recording Device Accommodation
Not provided
Nuclear Hardness Critical Feature
Hardened
Supplementary Features
Rubidium based with self test
NSN
6625-01-343-3026
Part Number
218-0057-030
Description
Frequency Standard
CAGE
13499

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 218-0057-030 NSN 6625-01-343-3026

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:
MZ
CRITL:
H

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
8.3 X 8.3 X 12.5
Paclk Weight:
7.0000lbs
Item Weight:
4.0000lbs
Item Dim:
005200330033
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
M
SPI No.:
F000003XA2
SPI Rev.:
SPC Mkg:
17
LVL_A:
LVL_B:

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
061700
UFC:
34580
LTL:
RATING VARIABLE
LCL:
85.0
WCC:
72D
TCC:
Z
SHC:
9
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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