PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

C089-1973Attenuator,variable

Spectrum Control Inc Div Weinschel · NSN 5985-01-268-4312 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-01-268-4312 — this item is cataloged by the U.S. Government under National Stock Number 5985-01-268-4312. Primary manufacturer part number: C089-1973.
Features
  • Attenuator,variable — FSC 5985
  • Coaxial Connector Series Designation: WPM
  • Attenuation Accuracy Reference Frequency: 40.0 GIGAHERTZ
  • Body Style: COAXIAL TYPE
  • Insertion Loss at Minimum Attenuation in Maximum Decibels: 2.5
  • Adjustment Device Type and Quantity: 1 KNOB W/DIAL
  • Application Design: TRANSMISSION LINE
  • Overall Attenuation Accuracy in Decibels: -1.50 TO 1.50
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Attenuator,variable, cataloged under National Stock Number 5985-01-268-4312, 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 Spectrum Control Inc Div Weinschel. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-01-268-4312
Primary Part NumberC089-1973
Item NameAttenuator,variable
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerSpectrum Control Inc Div Weinschel
StatusACTIVE
Coaxial Connector Series DesignationWPM
Attenuation Accuracy Reference Frequency40.0 GIGAHERTZ
Body StyleCOAXIAL TYPE
Insertion Loss at Minimum Attenuation in Maximum Decibels2.5
Adjustment Device Type and Quantity1 KNOB W/DIAL
Application DesignTRANSMISSION LINE
Overall Attenuation Accuracy in Decibels-1.50 TO 1.50
Step Position Quantity9
Attenuation Variation MethodSTEPPED
Frequency Range0.000 GIGAHERTZ MINIMUM AND 40.000 GIGAHERTZ MAXIMUM
Power Rating1.0 WATTS AVERAGE
Overall Attenuation Range in Decibels+0.0 TO 90.0
Voltage Standing Wave Ratio1.60 AND 2.00
Segment Attenuation Range in Decibels+0.00 TO 10.00
Attenuation Per Step in Decibels10.0
Terminal Type and Quantity2 CONNECTOR, COAXIAL, FEMALE
Impedance Rating in Ohms50.0 INPUT-OUTPUT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5315-00-264-3099 INTERCHANGEABLE
Key,machine
3439-00-426-0392W75-5 INTERCHANGEABLE
Desoldering Wick
Hexacon Electric Company
5955-00-499-7335712731-4 INTERCHANGEABLE
Crystal Unit,quartz
Raytheon Company Div Rmd Strategic
5935-00-503-97989955 INTERCHANGEABLE
Connector,plug,electrical
Hubbell Incorporated (delaware) Dba Wiring Device-Kellems Division
5930-00-775-7577YC66DS1 INTERCHANGEABLE
Switch,thermostatic
Wisconsin Motors, Llc
5950-00-840-5420 INTERCHANGEABLE
Transformer,radio Frequency
5962-01-154-69239955 INTERCHANGEABLE
Microcircuit,linear
Lockheed Martin Corporation Div Rms
6510-01-459-38659955 INTERCHANGEABLE
Dressing,hydrocolloid
Hollister Inc
5340-01-602-62519955 INTERCHANGEABLE
Clamp,loop
Harley Davidson Motor Co Inc
Cross-Reference Index
Part NumberManufacturer
C089-1973 Spectrum Control Inc Div Weinschel (USA)
9955 Spectrum Control Inc Div Weinschel (USA)
Related Parts
5315-00-264-3099INTERCHANGEABLE
KEY,MACHINE
3439-00-426-0392INTERCHANGEABLE
DESOLDERING WICK
W75-5
5955-00-499-7335INTERCHANGEABLE
CRYSTAL UNIT,QUARTZ
712731-4
5935-00-503-9798INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
9955
5930-00-775-7577INTERCHANGEABLE
SWITCH,THERMOSTATIC
YC66DS1
5950-00-840-5420INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
5962-01-154-6923INTERCHANGEABLE
MICROCIRCUIT,LINEAR
9955
6510-01-459-3865INTERCHANGEABLE
DRESSING,HYDROCOLLOID
9955
5340-01-602-6251INTERCHANGEABLE
CLAMP,LOOP
9955

Frequently Asked Questions

What is NSN 5985-01-268-4312?

NSN 5985-01-268-4312 is a Attenuator,variable, manufactured by Spectrum Control Inc Div Weinschel, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-01-268-4312?

NSN 5985-01-268-4312 has 2 cross-referenced part numbers: C089-1973 (Spectrum Control Inc Div Weinschel), 9955 (Spectrum Control Inc Div Weinschel).

What NSN replaces 5985-01-268-4312?

There are 9 known substitutes for 5985-01-268-4312: 5315-00-264-3099, 3439-00-426-0392, 5955-00-499-7335 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of C089-1973?

Key specifications for C089-1973: Coaxial Connector Series Designation: WPM; Attenuation Accuracy Reference Frequency: 40.0 GIGAHERTZ; Body Style: COAXIAL TYPE; Overall Width: 3.270 INCHES MAXIMUM IN. 20 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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