PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

CM894UAttenuator,fixed

Joint Electronics Type Designation System · NSN 5985-00-633-0231 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-00-633-0231 — this item is cataloged by the U.S. Government under National Stock Number 5985-00-633-0231. Primary manufacturer part number: CM894U.
Features
  • Attenuator,fixed — FSC 5985
  • Application Design: WAVEGUIDE
  • Material: STEEL BODY
  • Terminal Type and Quantity: 2 CONNECTOR
  • Frequency Range: 2.000 KILOHERTZ MINIMUM AND 12.000 KILOHERTZ MAXIMUM
  • Rf Signal Attenuation in Decibels: 20.0
  • Mounting Method: CONNECTOR
  • Power Rating: 1.0 WATTS AVERAGE
Applications
  • Applications requiring Steel Body construction
General Description

The Attenuator,fixed, cataloged under National Stock Number 5985-00-633-0231, 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 Joint Electronics Type Designation System. Government technical data includes 11 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
NSN5985-00-633-0231
Primary Part NumberCM894U
Item NameAttenuator,fixed
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerJoint Electronics Type Designation System
StatusACTIVE
Application DesignWAVEGUIDE
MaterialSTEEL BODY
Terminal Type and Quantity2 CONNECTOR
Frequency Range2.000 KILOHERTZ MINIMUM AND 12.000 KILOHERTZ MAXIMUM
Rf Signal Attenuation in Decibels20.0
Mounting MethodCONNECTOR
Power Rating1.0 WATTS AVERAGE
Body StyleROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE
Overall Diameter0.500 INCHES NOMINAL IN
Attenuation Accuracy in Decibels-1.30 TO 1.30
Voltage Standing Wave Ratio1.00 AND 1.35
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5120-00-061-854421020 INTERCHANGEABLE
Hammer,hand
Nupla Corporation
4730-00-278-2523 INTERCHANGEABLE
Clamp,hose
4820-00-603-869621020 INTERCHANGEABLE
Valve,check
Mission Systems Orchard Park Inc
4810-00-688-993921020 INTERCHANGEABLE
Valve,solenoid
Rocker Solenoid Co Dba Rocker Solenoid Co
5905-00-702-0523 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
5935-00-847-9683952141-1 INTERCHANGEABLE
Adapter,connector
Raytheon Company Dba Raytheon Co
4820-01-142-5193 INTERCHANGEABLE
Valve,operator
5365-01-240-06082-1020 INTERCHANGEABLE
Ring,externally Threaded
Malabar
5998-01-295-600321014 INTERCHANGEABLE
Circuit Card Assembly
Giga-Tronics Incorporated Dba Giga-Tronics
5970-01-298-331021020 INTERCHANGEABLE
Apex Insulator Assembly
Science Applications International Corporation
Cross-Reference Index
Part NumberManufacturer
CM894U Joint Electronics Type Designation System (USA)
210-20 Spectrum Control Inc Div Weinschel (USA)
Related Parts
5120-00-061-8544INTERCHANGEABLE
HAMMER,HAND
21020
4730-00-278-2523INTERCHANGEABLE
CLAMP,HOSE
4820-00-603-8696INTERCHANGEABLE
VALVE,CHECK
21020
4810-00-688-9939INTERCHANGEABLE
VALVE,SOLENOID
21020
5905-00-702-0523INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
5935-00-847-9683INTERCHANGEABLE
ADAPTER,CONNECTOR
952141-1
4820-01-142-5193INTERCHANGEABLE
VALVE,OPERATOR
5365-01-240-0608INTERCHANGEABLE
RING,EXTERNALLY THREADED
2-1020
5998-01-295-6003INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
21014
5970-01-298-3310INTERCHANGEABLE
APEX INSULATOR ASSEMBLY
21020
9340-01-304-9889INTERCHANGEABLE
WINDOW,OBSERVATION
21020
4720-01-329-8602INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
280003

Frequently Asked Questions

What is NSN 5985-00-633-0231?

NSN 5985-00-633-0231 is a Attenuator,fixed, manufactured by Joint Electronics Type Designation System, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-00-633-0231?

NSN 5985-00-633-0231 has 2 cross-referenced part numbers: CM894U (Joint Electronics Type Designation System), 210-20 (Spectrum Control Inc Div Weinschel).

What NSN replaces 5985-00-633-0231?

There are 12 known substitutes for 5985-00-633-0231: 5120-00-061-8544, 4730-00-278-2523, 4820-00-603-8696 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of CM894U?

Key specifications for CM894U: Application Design: WAVEGUIDE; Material: STEEL BODY; Terminal Type and Quantity: 2 CONNECTOR; Frequency Range: 2.000 KILOHERTZ MINIMUM AND 12.000 KILOHERTZ MAXIMUM. 12 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