PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

FA10Attenuator,fixed

General Instrument Corporation Dba Motorola Div Motorola Mobility - Home Division · NSN 5985-00-689-1923 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-00-689-1923 — this item is cataloged by the U.S. Government under National Stock Number 5985-00-689-1923. Primary manufacturer part number: FA10.
Features
  • Attenuator,fixed — FSC 5985
  • Attenuation Accuracy Reference Frequency: 2.0 GIGAHERTZ
  • FSC Application Data: ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT
  • Overall Diameter: 0.562 INCHES NOMINAL IN
  • Input Impedance Rating in Ohms: 50.0
  • Voltage Standing Wave Ratio: 1.20 AND 1.50
  • Operating Temp Range: -20.0 TO 125.0 CELSIUS DEGC
  • Body Style: ROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Attenuator,fixed, cataloged under National Stock Number 5985-00-689-1923, is classified within Federal Supply Class 5985 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is General Instrument Corporation Dba Motorola Div Motorola Mobility - Home Division. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5985-00-689-1923
Primary Part NumberFA10
Item NameAttenuator,fixed
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerGeneral Instrument Corporation Dba Motorola Div Motorola Mobility - Home Division
StatusCANCELLED
Attenuation Accuracy Reference Frequency2.0 GIGAHERTZ
FSC Application DataANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT
Overall Diameter0.562 INCHES NOMINAL IN
Input Impedance Rating in Ohms50.0
Voltage Standing Wave Ratio1.20 AND 1.50
Operating Temp Range-20.0 TO 125.0 CELSIUS DEGC
Body StyleROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE
Unpackaged Unit Weight1.500 OUNCES OZ
Output Impedance Rating in Ohms50.0
Terminal Type and Quantity2 CONNECTOR
Mounting MethodCONNECTOR
Power Rating1.0 WATTS AVERAGE
Frequency Range0.000 HERTZ MINIMUM AND 2.000 GIGAHERTZ MAXIMUM
Attenuation Accuracy in Decibels-1.00 TO 1.00
Rf Signal Attenuation in Decibels10.0
Coaxial Connector Series DesignationBNC
Application DesignTRANSMISSION LINE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 11
5985-00-022-3506MDC88209-6 INTERCHANGEABLE
Attenuator,fixed
Dal-Tech Devices, Inc. Dba Dal-Tech Devices Inc Div Dal-Tec Devices, Inc
5970-00-058-1251100-050-NY INTERCHANGEABLE
Insulator,disk
The Delbert Blinn Co Inc
5985-00-128-2929 INTERCHANGEABLE
Attenuator,fixed
3010-00-160-9231FA10 INTERCHANGEABLE
Clutch,main Shaft
Cotta Transmission Co Llc
5985-00-175-70781801445-6 INTERCHANGEABLE
Attenuator,fixed
Northrop Grumman Systems Corporation
5120-00-243-1674 INTERCHANGEABLE
Screwdriver Attachment,socket Wr
5920-00-583-8486 INTERCHANGEABLE
Fuse,cartridge
2915-00-798-8507192398 INTERCHANGEABLE
Spring
Woodward, Inc. Div Fuel Systems and Controls
5985-01-151-2829CN-1289/U INTERCHANGEABLE
Attenuator,fixed
Joint Electronics Type Designation System
6530-01-348-5540FA10 INTERCHANGEABLE
Drape,surgical
Maxxim Medical Case Management Div.
Cross-Reference Index
Part NumberManufacturer
FA10 General Instrument Corporation Dba Motorola Div Motorola Mobility - Home Division (USA)
CN-1290/U Joint Electronics Type Designation System (USA)
FP-50 Trilithic, Inc. (USA)
192-398 Cmc Electronics Inc (CAN)
FP-50-10DB-BNC Trilithic, Inc. (USA)
ST4130214HE0003 Rockwell International Corp North American Aircraft Opns (USA)
50SP10BNC Alan Industries Inc (USA)
MDC88209-10 Dal-Tech Devices, Inc. Dba Dal-Tech Devices Inc Div Dal-Tec Devices, Inc (USA)
Related Parts
5985-00-022-3506INTERCHANGEABLE
ATTENUATOR,FIXED
MDC88209-6
5970-00-058-1251INTERCHANGEABLE
INSULATOR,DISK
100-050-NY
5985-00-128-2929INTERCHANGEABLE
ATTENUATOR,FIXED
3010-00-160-9231INTERCHANGEABLE
CLUTCH,MAIN SHAFT
FA10
5985-00-175-7078INTERCHANGEABLE
ATTENUATOR,FIXED
1801445-6
5120-00-243-1674INTERCHANGEABLE
SCREWDRIVER ATTACHMENT,SOCKET WR
5920-00-583-8486INTERCHANGEABLE
FUSE,CARTRIDGE
2915-00-798-8507INTERCHANGEABLE
SPRING
192398
5985-01-151-2829INTERCHANGEABLE
ATTENUATOR,FIXED
CN-1289/U
6530-01-348-5540INTERCHANGEABLE
DRAPE,SURGICAL
FA10
1005-01-420-3930INTERCHANGEABLE
PIN,FIRING

Frequently Asked Questions

What is NSN 5985-00-689-1923?

NSN 5985-00-689-1923 is a Attenuator,fixed, manufactured by General Instrument Corporation Dba Motorola Div Motorola Mobility - Home Division, classified under FSC 5985 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5985-00-689-1923?

NSN 5985-00-689-1923 has 8 cross-referenced part numbers: FA10 (General Instrument Corporation Dba Motorola Div Motorola Mobility - Home Division), CN-1290/U (Joint Electronics Type Designation System), FP-50 (Trilithic, Inc.), 192-398 (Cmc Electronics Inc), FP-50-10DB-BNC (Trilithic, Inc.) and 3 more.

What NSN replaces 5985-00-689-1923?

There are 11 known substitutes for 5985-00-689-1923: 5985-00-022-3506, 5970-00-058-1251, 5985-00-128-2929 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of FA10?

Key specifications for FA10: Attenuation Accuracy Reference Frequency: 2.0 GIGAHERTZ; FSC Application Data: ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT; Overall Diameter: 0.562 INCHES NOMINAL IN; Input Impedance Rating in Ohms: 50.0. 18 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5985-00-689-1923 still in active supply?

NSN 5985-00-689-1923 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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