Model: 1250A

Frequency Standard

Special Features:

Solid state construction; includes internal batteries and power selection switch

Properties:

Overall Length
17.600 inches
Overall Height
5.300 inches
Overall Width
14.000 inches
Ac Voltage Rating
115.0 volts and 230.0 volts
Dc Voltage Rating
28.0 volts
Frequency Rating
Between 50.0 hertz and 400.0 hertz
Frequency Range Rating
+0.100/+5.000 megahertz
Unit Type
Standard
Unpackaged Unit Weight
30.000 pounds
Recording Device Accommodation
Not provided
Phase
Single
Functional Classification
Aa-10.10
Reference Data And Literature
Commercial item description a-a-50798
Supplementary Features
Manufacturers name: frequency standard, oscillator (5 mhz, 1 mhz and 100khz)
NSN
6625-01-035-6337
Part Number
1250A
Description
Frequency Standard
CAGE

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 1250A NSN 6625-01-035-6337

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:
A
ESD:
A
MMAC:
RH
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
31.0 X 28.0 X 15.0
Paclk Weight:
41.1000lbs
Item Weight:
0.0000lbs
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
M
SPI No.:
F000003XF1
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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