PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20C2285-1Attenuator,fixed

Northrop Grumman Systems Corp Dba Northrop Grumman Systems Corp · NSN 5985-00-311-8590 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-00-311-8590 — this item is cataloged by the U.S. Government under National Stock Number 5985-00-311-8590. Primary manufacturer part number: 20C2285-1.
Features
  • Attenuator,fixed — FSC 5985
  • Application Design: TRANSMISSION LINE
  • Mounting Method: CONNECTOR
  • Connection Type Per Function: FEMALE INPUT AND MALE OUTPUT
  • Rf Signal Attenuation in Decibels: 3.0
  • FSC Application Data: ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT
  • Power Rating: 200.0 MILLIWATTS AVERAGE
  • Unpackaged Unit Weight: 0.160 OUNCES OZ
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Attenuator,fixed, cataloged under National Stock Number 5985-00-311-8590, 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 Northrop Grumman Systems Corp Dba Northrop Grumman Systems Corp. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 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
NSN5985-00-311-8590
Primary Part Number20C2285-1
Item NameAttenuator,fixed
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corp Dba Northrop Grumman Systems Corp
StatusACTIVE
Application DesignTRANSMISSION LINE
Mounting MethodCONNECTOR
Connection Type Per FunctionFEMALE INPUT AND MALE OUTPUT
Rf Signal Attenuation in Decibels3.0
FSC Application DataANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT
Power Rating200.0 MILLIWATTS AVERAGE
Unpackaged Unit Weight0.160 OUNCES OZ
Overall Diameter0.280 INCHES NOMINAL IN
Body StyleROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE
Voltage Standing Wave Ratio1.30 AND 1.50
Terminal Type and Quantity2 CONNECTOR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5999-00-026-98842223 INTERCHANGEABLE
Delay Line
Esc Control Electronics Llc Dba Control Electronics Division of Fil-Coil
4730-00-045-8748 INTERCHANGEABLE
Plug,end Bell
5975-00-152-1141 INTERCHANGEABLE
Box Connector,electrical
5355-00-160-71051755762 INTERCHANGEABLE
Knob
Naval Ship Systems Command
5330-00-319-1242 INTERCHANGEABLE
Packing,preformed
5330-00-340-6981110A293 INTERCHANGEABLE
Gasket
Cummins Power Generation Inc.
4920-00-708-30352223 INTERCHANGEABLE
Cone,rear
Marvel Manufacturing Co Div the Marvel Manufacturing Company
2920-00-810-70832223 INTERCHANGEABLE
Spark Plug
Allied-Signal Inc Autolite Div
6210-00-905-8783 INTERCHANGEABLE
Lens,light
4330-00-979-38042223 INTERCHANGEABLE
Filter Element,fluid
Circor Instrumentation Technologies, Inc. Dba Hoke Gyrolok
Cross-Reference Index
Part NumberManufacturer
222-3 Cinch Connectivity Solutions Inc (USA)
20C2285-1 PRIMARY Northrop Grumman Systems Corp Dba Northrop Grumman Systems Corp (USA)
222-3-001 Cinch Connectivity Solutions Inc (USA)
ATT-0222-03-001-02 Midwest Microwave International Limited (GBR)
Related Parts
5999-00-026-9884INTERCHANGEABLE
DELAY LINE
2223
4730-00-045-8748INTERCHANGEABLE
PLUG,END BELL
5975-00-152-1141INTERCHANGEABLE
BOX CONNECTOR,ELECTRICAL
5355-00-160-7105INTERCHANGEABLE
KNOB
1755762
5330-00-319-1242INTERCHANGEABLE
PACKING,PREFORMED
5330-00-340-6981INTERCHANGEABLE
GASKET
110A293
4920-00-708-3035INTERCHANGEABLE
CONE,REAR
2223
2920-00-810-7083INTERCHANGEABLE
SPARK PLUG
2223
6210-00-905-8783INTERCHANGEABLE
LENS,LIGHT
4330-00-979-3804INTERCHANGEABLE
FILTER ELEMENT,FLUID
2223
5961-01-084-2584INTERCHANGEABLE
TRANSISTOR
5355-01-233-3729INTERCHANGEABLE
KNOB
2223

Frequently Asked Questions

What is NSN 5985-00-311-8590?

NSN 5985-00-311-8590 is a Attenuator,fixed, manufactured by Northrop Grumman Systems Corp Dba Northrop Grumman Systems Corp, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-00-311-8590?

NSN 5985-00-311-8590 has 4 cross-referenced part numbers: 222-3 (Cinch Connectivity Solutions Inc), 20C2285-1 (Northrop Grumman Systems Corp Dba Northrop Grumman Systems Corp), 222-3-001 (Cinch Connectivity Solutions Inc), ATT-0222-03-001-02 (Midwest Microwave International Limited).

What NSN replaces 5985-00-311-8590?

There are 12 known substitutes for 5985-00-311-8590: 5999-00-026-9884, 4730-00-045-8748, 5975-00-152-1141 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20C2285-1?

Key specifications for 20C2285-1: Application Design: TRANSMISSION LINE; Mounting Method: CONNECTOR; Connection Type Per Function: FEMALE INPUT AND MALE OUTPUT; Rf Signal Attenuation in Decibels: 3.0. 12 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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