PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2954Attenuator,variable

Spectrum Control Inc Div Weinschel · NSN 5985-00-434-2235 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-00-434-2235 — this item is cataloged by the U.S. Government under National Stock Number 5985-00-434-2235. Primary manufacturer part number: 2954.
Features
  • Attenuator,variable — FSC 5985
  • Segment Attenuation Range in Decibels: +1.00 TO 9.00 AND +10.00 TO 19.00 AND +20.00 TO 29.00 AND +30.00 TO 39.00 AND +40.00 TO 49.00 AND +50.00 TO 59.00
  • Adjustment Device Type and Quantity: 2 KNOB
  • Insertion Loss at Minimum Attenuation in Maximum Decibels: 1.2
  • Mounting Slot Length: 0.375 INCHES MAXIMUM IN
  • Center to Center Distance Between Mounting Facilities Parallel to Width: 2.000 INCHES NOMINAL IN
  • Attenuation Per Step in Decibels: 1.0 AND 10.0
  • Body Style: COAXIAL TYPE
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Attenuator,variable, cataloged under National Stock Number 5985-00-434-2235, 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 24 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-00-434-2235
Primary Part Number2954
Item NameAttenuator,variable
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerSpectrum Control Inc Div Weinschel
StatusACTIVE
Segment Attenuation Range in Decibels+1.00 TO 9.00 AND +10.00 TO 19.00 AND +20.00 TO 29.00 AND +30.00 TO 39.00 AND +40.00 TO 49.00 AND +50.00 TO 59.00
Adjustment Device Type and Quantity2 KNOB
Insertion Loss at Minimum Attenuation in Maximum Decibels1.2
Mounting Slot Length0.375 INCHES MAXIMUM IN
Center to Center Distance Between Mounting Facilities Parallel to Width2.000 INCHES NOMINAL IN
Attenuation Per Step in Decibels1.0 AND 10.0
Body StyleCOAXIAL TYPE
Segment Attenuation Accuracy in Decibels-0.40 TO 0.40 AND -1.00 TO 1.00 AND -1.20 TO 1.20 AND -1.40 TO 1.40 AND -1.50 TO 1.50 AND -1.70 TO 1.70
Terminal Type and Quantity2 CONNECTOR, COAXIAL, FEMALE
Mounting Facility PatternFOUR POSITION RECTANGULAR
Impedance Rating in Ohms50.0 INPUT-OUTPUT
Power Rating1.0 WATTS AVERAGE AND 500.0 WATTS PEAK
Attenuation Variation MethodSTEPPED
Test Data Document12217-1291029 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING)
Mounting Slot Width0.187 INCHES MAXIMUM IN
Step Position Quantity16
Overall Attenuation Accuracy in Decibels+0.00 TO 0.15
Operating Temp Range+0.0 TO 55.0 CELSIUS DEGC
Voltage Standing Wave Ratio1.20 AND 1.30 AND 1.35 AND 1.45 AND 1.50
Coaxial Connector Series DesignationN
Center to Center Distance Between Mounting Facilities Parallel to Height2.000 INCHES NOMINAL IN
Application DesignTRANSMISSION LINE
Frequency Range0.000 HERTZ MINIMUM AND 12.400 GIGAHERTZ MAXIMUM
Overall Attenuation Range in Decibels+0.0 TO 70.0
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5120-00-032-9455 INTERCHANGEABLE
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3110-00-100-0346 INTERCHANGEABLE
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6640-00-119-9376 INTERCHANGEABLE
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5140-00-315-2758PD5140-00-315-2758 INTERCHANGEABLE
Tool Box,portable
General Services Administration Federal Supply Service
4730-00-469-78206604 B INTERCHANGEABLE
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2530-00-900-70752421315 INTERCHANGEABLE
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Chrysler Realty Company Llc Dba Daimler Chrysler
5910-00-951-1806 INTERCHANGEABLE
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6145-01-134-59278155 INTERCHANGEABLE
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2920-01-197-30302954 INTERCHANGEABLE
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2940-01-238-087542954 INTERCHANGEABLE
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Cross-Reference Index
Part NumberManufacturer
1291029P1 Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems (USA)
2954 PRIMARY Spectrum Control Inc Div Weinschel (USA)
Related Parts
5120-00-032-9455INTERCHANGEABLE
SPANNER ATTACHMENT,SOCKET WRENCH
3110-00-100-0346INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
6640-00-119-9376INTERCHANGEABLE
MIXER,LABORATORY
5140-00-315-2758INTERCHANGEABLE
TOOL BOX,PORTABLE
PD5140-00-315-2758
4730-00-469-7820INTERCHANGEABLE
CLAMP,HOSE
6604 B
2530-00-900-7075INTERCHANGEABLE
CYLINDER,HYDRAULIC BRAKE,MASTER
2421315
5910-00-951-1806INTERCHANGEABLE
CAPACITOR,VARIABLE,GLASS DIELECT
6145-01-134-5927INTERCHANGEABLE
CABLE,SPECIAL PURPOSE,ELECTRICAL
8155
2920-01-197-3030INTERCHANGEABLE
SPARK PLUG
2954
2940-01-238-0875INTERCHANGEABLE
FILTER ELEMENT,INTAKE AIR CLEANE
42954
5910-01-273-8719INTERCHANGEABLE
CAPACITOR,FIXED,CERAMIC DIELECTR
5120-01-430-8545INTERCHANGEABLE
WRENCH,TORQUE

Frequently Asked Questions

What is NSN 5985-00-434-2235?

NSN 5985-00-434-2235 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 5985-00-434-2235?

NSN 5985-00-434-2235 has 2 cross-referenced part numbers: 1291029P1 (Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems), 2954 (Spectrum Control Inc Div Weinschel).

What NSN replaces 5985-00-434-2235?

There are 12 known substitutes for 5985-00-434-2235: 5120-00-032-9455, 3110-00-100-0346, 6640-00-119-9376 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2954?

Key specifications for 2954: Segment Attenuation Range in Decibels: +1.00 TO 9.00 AND +10.00 TO 19.00 AND +20.00 TO 29.00 AND +30.00 TO 39.00 AND +40.00 TO 49.00 AND +50.00 TO 59.00; Adjustment Device Type and Quantity: 2 KNOB; Special Features: ATTENUATION ACCURACY MEASURED AT 1.0,2.0,4.0,8.0,AND 12.4 GIGAHERTZ; Insertion Loss at Minimum Attenuation in Maximum Decibels: 1.2. 28 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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