PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

055731-1Attenuator,fixed

L3 Technologies, Inc. Div L3 Keo · NSN 5985-01-094-2993 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-01-094-2993 — this item is cataloged by the U.S. Government under National Stock Number 5985-01-094-2993. Primary manufacturer part number: 055731-1.
Features
  • Attenuator,fixed — FSC 5985
  • Attenuation Accuracy in Decibels: -0.50 TO 0.50
  • Attenuation Accuracy Reference Frequency: 12.4 GIGAHERTZ
  • Mounting Method: CONNECTOR
  • Voltage Standing Wave Ratio Frequency Range: +0.0 TO 12.4 GIGAHERTZ
  • Overall Diameter: 0.375 INCHES MAXIMUM IN
  • Voltage Standing Wave Ratio: 1.25
  • FSC Application Data: ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Attenuator,fixed, cataloged under National Stock Number 5985-01-094-2993, 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 L3 Technologies, Inc. Div L3 Keo. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-01-094-2993
Primary Part Number055731-1
Item NameAttenuator,fixed
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerL3 Technologies, Inc. Div L3 Keo
StatusACTIVE
Attenuation Accuracy in Decibels-0.50 TO 0.50
Attenuation Accuracy Reference Frequency12.4 GIGAHERTZ
Mounting MethodCONNECTOR
Voltage Standing Wave Ratio Frequency Range+0.0 TO 12.4 GIGAHERTZ
Overall Diameter0.375 INCHES MAXIMUM IN
Voltage Standing Wave Ratio1.25
FSC Application DataANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT
Coaxial Connector Series DesignationSMA
Output Impedance Rating in Ohms50.0
Body StyleROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE
Rf Signal Attenuation in Decibels10.0
Input Impedance Rating in Ohms50.0
Connection Type Per FunctionFEMALE INPUT AND MALE OUTPUT
Terminal Type and Quantity2 CONNECTOR
Frequency Range0.000 HERTZ MINIMUM AND 12.400 GIGAHERTZ MAXIMUM
Application DesignTRANSMISSION LINE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
2540-00-047-4253205-0326 INTERCHANGEABLE
Handle,window Regulator,vehicula
Cmc of Georgia, Inc.
5360-00-168-667820510 INTERCHANGEABLE
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Eaton Aerospace Llc
4820-00-171-05752051 INTERCHANGEABLE
Valve,globe
Dover Corp Groen Div
5930-00-228-4082 INTERCHANGEABLE
Switch,toggle
4730-00-678-9722205-10 INTERCHANGEABLE
Nut,tube Coupling
Lenz Inc Dba the Lenz Company
5130-00-695-4304 INTERCHANGEABLE
Adapter,socket Wrench
6240-01-411-442120510 INTERCHANGEABLE
Lamp,fluorescent
Lumatech Llc
6515-01-600-497120-510 INTERCHANGEABLE
Chest Trauma Kit
Combat Medical Systems Llc
Cross-Reference Index
Part NumberManufacturer
934C055731-1 L3 Technologies, Inc. Div L3 Keo (USA)
43319-079-00-0 British Aerospace Defence Systems Ltd T/a Bae Systems (GBR)
43319-079-00-0 Bae Systems Maritime Services Limited (GBR)
205-10 Cinch Connectivity Solutions Inc (USA)
12B-10DB Spectrum Control, Inc. (USA)
055731-1 PRIMARY L3 Technologies, Inc. Div L3 Keo (USA)
Related Parts
2540-00-047-4253INTERCHANGEABLE
HANDLE,WINDOW REGULATOR,VEHICULA
205-0326
5360-00-168-6678INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
20510
4820-00-171-0575INTERCHANGEABLE
VALVE,GLOBE
2051
5930-00-228-4082INTERCHANGEABLE
SWITCH,TOGGLE
4730-00-678-9722INTERCHANGEABLE
NUT,TUBE COUPLING
205-10
5130-00-695-4304INTERCHANGEABLE
ADAPTER,SOCKET WRENCH
6240-01-411-4421INTERCHANGEABLE
LAMP,FLUORESCENT
20510
6515-01-600-4971INTERCHANGEABLE
CHEST TRAUMA KIT
20-510

Frequently Asked Questions

What is NSN 5985-01-094-2993?

NSN 5985-01-094-2993 is a Attenuator,fixed, manufactured by L3 Technologies, Inc. Div L3 Keo, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-01-094-2993?

NSN 5985-01-094-2993 has 6 cross-referenced part numbers: 934C055731-1 (L3 Technologies, Inc. Div L3 Keo), 43319-079-00-0 (British Aerospace Defence Systems Ltd T/a Bae Systems), 43319-079-00-0 (Bae Systems Maritime Services Limited), 205-10 (Cinch Connectivity Solutions Inc), 12B-10DB (Spectrum Control, Inc.) and 1 more.

What NSN replaces 5985-01-094-2993?

There are 8 known substitutes for 5985-01-094-2993: 2540-00-047-4253, 5360-00-168-6678, 4820-00-171-0575 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 055731-1?

Key specifications for 055731-1: Attenuation Accuracy in Decibels: -0.50 TO 0.50; Attenuation Accuracy Reference Frequency: 12.4 GIGAHERTZ; Mounting Method: CONNECTOR; Voltage Standing Wave Ratio Frequency Range: +0.0 TO 12.4 GIGAHERTZ. 17 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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