Model: BA987-299

Variable Attenuator

Special Features:

Weapon system essential

Properties:

Body Style
Cylindrical w/side terminals
Overall Length
1.687 inches
Overall Width
1.288 inches
Flat Height
0.216 inches
Body Diameter
0.953 inches
Shaft Diameter
0.250 inches
Bushing Length
0.250 inches
Shaft Length
0.500 inches
Body Length
0.937 inches
Operating Tempurature Range
-55.0/+70.0 degrees celsius
End Application
C-5 galaxy, f-16, f-4 phantom, c-141 starlifter, c-135 stratolifter, t-38 aircraft. Uh-60a/uh-60d helicopter. F4n aircraft.
Power Rating
1.0 watts average
Mounting Facility Screw Thread Series Designator
Unef
Overall Attenuation Range In Decibels
+0.0/+61.0
Mounting Facility Type And Quantity
1 threaded bushing
Mounting Thread Quantity
32 per inch
Adjustment Device Type And Quantity
1 shaft
Shaft Type
Round, flatted
Criticality Code Justification
Feat
Mounting Facility Screw Thread Diameter
0.375 inches
Impedance Rating In Ohms
1200.0 input-output
Terminal Type And Quantity
4 tab, solder lug
Fsc Application Data
Antennas, waveguides, and related equip.
NSN
5985-00-959-1565
Part Number
BA987-299
Description
Attenuator,variable
CAGE
71590

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 BA987-299 NSN 5985-00-959-1565

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:
A
ESD:
A
ESD:
A
MMAC:
CRITL:
Y

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.2000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
E
LVL_B:
Q

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:
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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