Model: 1330655-1

Frequency Standard

Special Features:

Accuracy +/- 7x10-12; settability +/- 3x10-12; operating temp range 0 to 50deg. C; stability +/-3x10-12 over the life of the tube; spectral purity >81db for 10mhz and >87 for 5mhz; amplitude 1vrms into 50 ohm load; monitor output is a type d connector; warmup time is 20min for 10 mhz and 45 min for 5mhz; front panel connectors for 1pps, sync input, zeeman input, rf outputs; operating humidity, 95% up to 50c; option -116 is time of day display and a 1pps output; opt -075 is for an 8 year warranty on cesium beam tube; internal microprocessor provide for power up automatic lock routine; controlled by front panel switches and remote control through rear panel connector

Properties:

Overall Length
21.000 inches
Overall Height
5.200 inches
Overall Width
19.000 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 47.0 hertz and 400.0 hertz
Frequency Range Rating
+5.000/+10.000 megahertz
Frequency Channel Quantity
2
Individual Channel Frequency
5.0 megahertz and 10.0 megahertz
Unit Type
Standard
Unpackaged Unit Weight
60.000 pounds
Mounting Method
Rack
Recording Device Accommodation
Not provided
Phase
Single
Supplementary Features
Without -075 indicates 3 year warranty on cesium beam tube
NSN
6625-01-365-1949
Part Number
1330655-1
Description
Frequency Standard
CAGE
70143

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 1330655-1 NSN 6625-01-365-1949

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:
VE
CRITL:
N

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
36.0 X 34.5 X 17.0
Paclk Weight:
165.0000lbs
Item Weight:
60.0000lbs
Item Dim:
021001900053
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
SPI No.:
F004206170
SPI Rev.:
A
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:
--
WCC:
658
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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