Model: 4A1A4

Variable Attenuator

Properties:

Application Design
Transmission line
Body Style
Cylindrical w/adjustment knob
Overall Length
7.968 inches
Scale Division Quantity
10
Overall Diameter
2.371 inches
Operating Tempurature Range
-28.0/+65.0 degrees celsius
Overall Attenuation Range In Decibels
+0.0/+10.0
Attenuation Variation Method
Stepped
Step Position Quantity
11
Attenuation Per Step In Decibels
1.0
Vernier Scale Division Quantity
1
Mounting Facility Type And Quantity
1 bushing
Frequency Range
Between 10.000 hertz and 500.000 kilohertz
Adjustment Device Type And Quantity
1 knob
Impedance Rating In Ohms
600.0 input-output
Terminal Type And Quantity
2 wire lead and 1 threaded stud
NSN
5985-00-921-7805
Part Number
4A1A4
Description
Attenuator,variable
CAGE
06181

A device for reducing the strength of an alternating current signal either continuously or in steps, without causing appreciable signal distortion, by maintaining substantially constant output and/or input impedance match. Continuously variable resistive devices must consist of at least two sections or one section with at least two rotating contacts. The item must have an overall attenuation rating. Includes tandem mounted variable resistors designed to function as an attenuator but whose terminals are not connected. See also resistor, vaiable (as modified).

Part 4A1A4 NSN 5985-00-921-7805

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
00838
FIIG:
A223A0
Concept No.:
App. Key:
A
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:
U
ESD:
ESD:
MMAC:
EH
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.1000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
Q
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
061700
UFC:
34580
LTL:
100.0
LCL:
--
WCC:
658
TCC:
Z
SHC:
9
ACC:
Instruments/Radio

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Schedule B and Export
  • Schedule B: 8529109000
  • SITC: 76493
  • End Use: Telecommunications equipment
  • NAICS: 334220
  • USDA: 1

Freight Class: Antenna & antenna reflectors of all kinds; parts suitable for use soley or principally w/ apparatus of heading 8525 to 8528, nesoi

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