Model: 8491B-003

Fixed Attenuator

Special Features:

Weapon system essential

Properties:

Application Design
Transmission line
Body Material
Steel, stainless
Body Style
Round, terminal/terminals in opposite surface
Body Surface Treatment
Passivated
Overall Length
2.438 inches
Overall Diameter
0.812 inches
End Application
Virginia class cgn (41); low altitude navigation & targeting infrared system (lantirn); sturgeon class ssn (637); support equipment, b-52 aircraft; engine, aircraft, f100-pw-200 (f-16a/b/c/d); deep submergence systems programs (dssp); helicopter, carrier based asw, sh-60f; ticonderoga class cg (47); countermeasure set, an/slq-32
Voltage Standing Wave Ratio
1.20 and 1.30 and 1.50
Input Impedance Rating In Ohms
50.0
Output Impedance Rating In Ohms
50.0
Coaxial Connector Series Designation
N
Power Rating
2.0 watts average and 100.0 watts peak
Rf Signal Attenuation In Decibels
3.0
Voltage Standing Wave Ratio Frequency Range
+0.0/+8.0 gigahertz and +8.0/+12.4 gigahertz and +12.4/+18.0 gigahertz
Attenuation Accuracy Reference Frequency
18.0 gigahertz
Attenuation Accuracy In Decibels
-0.30/+0.30
Connection Type Per Function
Male input and female output
Unpackaged Unit Weight
2.600 ounces
Mounting Method
Connector
Terminal Type And Quantity
2 connector
Frequency Range
Between 0.000 hertz and 18.000 gigahertz
Criticality Code Justification
Feat
Precious Material And Location
Contact surfaces gold
Precious Material
Gold
Fsc Application Data
Antennas, waveguides, and related equipment
NSN
5985-00-455-4487
Part Number
8491B-003
Description
Attenuator,fixed
CAGE
1LQK8

A device for reducing the strength of an alternating current signal by a fixed or predetermined amount, without causing appreciable signal distortion, by maintaining correct impedance match.

Part 8491B-003 NSN 5985-00-455-4487

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
14224
FIIG:
A20000
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:
G
ESD:
ESD:
MMAC:
EH
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:
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:
060535
UFC:
06330
LTL:
RATING VARIABLE
LCL:
--
WCC:
723
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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