PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

70290Attenuator,variable

Waveline Inc · NSN 5985-00-431-8273 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-00-431-8273 — this item is cataloged by the U.S. Government under National Stock Number 5985-00-431-8273. Primary manufacturer part number: 70290.
Features
  • Attenuator,variable — FSC 5985
  • Operating Temp Range: +0.0 TO 55.0 CELSIUS DEGC
  • Attenuation Variation Method: CONTINUOUS
  • Application Design: WAVEGUIDE
  • Overall Attenuation Accuracy in Decibels: -1.00 TO 1.00
  • Overall Attenuation Range in Decibels: +0.0 TO 25.0
  • Voltage Standing Wave Ratio: 1.15
  • Insertion Loss at Minimum Attenuation in Maximum Decibels: 0.5
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Attenuator,variable, cataloged under National Stock Number 5985-00-431-8273, 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 Waveline Inc. Government technical data includes 10 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-00-431-8273
Primary Part Number70290
Item NameAttenuator,variable
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerWaveline Inc
StatusACTIVE
Operating Temp Range+0.0 TO 55.0 CELSIUS DEGC
Attenuation Variation MethodCONTINUOUS
Application DesignWAVEGUIDE
Overall Attenuation Accuracy in Decibels-1.00 TO 1.00
Overall Attenuation Range in Decibels+0.0 TO 25.0
Voltage Standing Wave Ratio1.15
Insertion Loss at Minimum Attenuation in Maximum Decibels0.5
Attenuation Accuracy Reference Frequency16.5 GIGAHERTZ
Power Rating1.0 WATTS AVERAGE
Frequency Range16.000 GIGAHERTZ MINIMUM AND 17.000 GIGAHERTZ MAXIMUM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5950-00-004-7596920011-40 INTERCHANGEABLE
Coil,radio Frequency
Raytheon Company Dba Raytheon
4730-00-277-55424101-040 INTERCHANGEABLE
Elbow,pipe
Flagg Stanley G & Co Inc Dba Flagg Brass
4210-01-660-727470-290 INTERCHANGEABLE
Control Head,mechanical,fire Sup
Fike Corporation
Cross-Reference Index
Part NumberManufacturer
70290 PRIMARY Waveline Inc (USA)
153-155-0001 Northrop Grumman Systems Corporation (USA)
Related Parts
5950-00-004-7596INTERCHANGEABLE
COIL,RADIO FREQUENCY
920011-40
4730-00-277-5542INTERCHANGEABLE
ELBOW,PIPE
4101-040
4210-01-660-7274INTERCHANGEABLE
CONTROL HEAD,MECHANICAL,FIRE SUP
70-290

Frequently Asked Questions

What is NSN 5985-00-431-8273?

NSN 5985-00-431-8273 is a Attenuator,variable, manufactured by Waveline Inc, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-00-431-8273?

NSN 5985-00-431-8273 has 2 cross-referenced part numbers: 70290 (Waveline Inc), 153-155-0001 (Northrop Grumman Systems Corporation).

What NSN replaces 5985-00-431-8273?

There are 3 known substitutes for 5985-00-431-8273: 5950-00-004-7596, 4730-00-277-5542, 4210-01-660-7274. Verify interchangeability with system specifications before substitution.

What are the specifications of 70290?

Key specifications for 70290: Operating Temp Range: +0.0 TO 55.0 CELSIUS DEGC; Attenuation Variation Method: CONTINUOUS; Application Design: WAVEGUIDE; Overall Attenuation Accuracy in Decibels: -1.00 TO 1.00. 10 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com