Model: 490B

Telephone Test Set

Special Features:

Carrier frequency range 100 hz to 600 khz; 5 digit frequency counter readout

Properties:

Ac Voltage Rating
115.0 volts or 230.0 volts
Frequency Rating
Between 47.0 hertz and 63.0 hertz
Electrical Power Source Relationship
Operating
Inclosure Feature
Single item w/housing
Test Type For Which Designed
Envelope delay measurement
Phase
Single
Functional Description
Envelope delay measuring set consists of a transmitter and receiver which measures delay versus frequency and amplitude versus frequency in transmission systems and neworks. Frequency range 100hz to 552khz
Reference Data And Literature
To 33a1-5-342-1
Supplementary Features
Manufacturers name: envelope delay distortion test set
NSN
6625-00-126-0217
Part Number
490B
Description
Test Set,telephone
CAGE
03860

A test set primarily designed for use in making examinations of telephone lines, switchboards, and/or associated equipments. See also test set, relay.

Part 490B NSN 6625-00-126-0217

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
03681
FIIG:
T228-A
Concept No.:
1
App. Key:
AA
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:
24.5 X 24.5 X 20.5
Paclk Weight:
63.0000lbs
Item Weight:
0.0000lbs
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
F
SPI No.:
F000004I76
SPI Rev.:
SPC Mkg:
19
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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