PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SM-A-919377-2Attenuator,fixed

Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · NSN 5985-01-300-5893 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-01-300-5893 — this item is cataloged by the U.S. Government under National Stock Number 5985-01-300-5893. Primary manufacturer part number: SM-A-919377-2.
Features
  • Attenuator,fixed — FSC 5985
  • Application Design: TRANSMISSION LINE
  • Voltage Standing Wave Ratio: 1.20 AND 1.30
  • Coaxial Connector Series Designation: SMA
  • Body Style: ROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE
  • Operating Temp Range: -55.0 TO 125.0 CELSIUS DEGC
  • Output Impedance Rating in Ohms: 50.0
  • Attenuation Accuracy in Decibels: -0.50 TO 0.50
Applications
  • Applications requiring Aluminum Alloy Body construction
General Description

The Attenuator,fixed, cataloged under National Stock Number 5985-01-300-5893, 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 Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-01-300-5893
Primary Part NumberSM-A-919377-2
Item NameAttenuator,fixed
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerUs Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
StatusACTIVE
Application DesignTRANSMISSION LINE
Voltage Standing Wave Ratio1.20 AND 1.30
Coaxial Connector Series DesignationSMA
Body StyleROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE
Operating Temp Range-55.0 TO 125.0 CELSIUS DEGC
Output Impedance Rating in Ohms50.0
Attenuation Accuracy in Decibels-0.50 TO 0.50
Input Impedance Rating in Ohms50.0
Power Rating10.0 WATTS AVERAGE AND 1.0 KILOWATTS PEAK
Rf Signal Attenuation in Decibels10.0
Frequency Range0.000 HERTZ MINIMUM AND 12.400 GIGAHERTZ MAXIMUM
Voltage Standing Wave Ratio Frequency Range+0.0 TO 12.4 GIGAHERTZ
Overall Diameter0.650 INCHES MAXIMUM IN
Terminal Type and Quantity2 CONNECTOR
Mounting MethodCONNECTOR
Connection Type Per FunctionFEMALE INPUT AND MALE OUTPUT
MaterialALUMINUM ALLOY BODY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
4730-00-555-0592 INTERCHANGEABLE
Plug,pipe
5999-01-073-8792 INTERCHANGEABLE
Heat Sink,electrical-Electronic
Cross-Reference Index
Part NumberManufacturer
5051-10 Spectrum Control Inc Div Weinschel (USA)
SM-A-919377-2 PRIMARY Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
Related Parts
4730-00-555-0592INTERCHANGEABLE
PLUG,PIPE
5999-01-073-8792INTERCHANGEABLE
HEAT SINK,ELECTRICAL-ELECTRONIC

Frequently Asked Questions

What is NSN 5985-01-300-5893?

NSN 5985-01-300-5893 is a Attenuator,fixed, manufactured by Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-01-300-5893?

NSN 5985-01-300-5893 has 2 cross-referenced part numbers: 5051-10 (Spectrum Control Inc Div Weinschel), SM-A-919377-2 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir).

What NSN replaces 5985-01-300-5893?

There are 2 known substitutes for 5985-01-300-5893: 4730-00-555-0592, 5999-01-073-8792. Verify interchangeability with system specifications before substitution.

What are the specifications of SM-A-919377-2?

Key specifications for SM-A-919377-2: Application Design: TRANSMISSION LINE; Voltage Standing Wave Ratio: 1.20 AND 1.30; Coaxial Connector Series Designation: SMA; Body Style: ROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE. 18 total characteristics are documented in the Federal Logistics Information System.

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