PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

FA101Attenuator,fixed

Technical Research and Manufacturing, Inc. · NSN 5985-01-046-1585 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-01-046-1585 — this item is cataloged by the U.S. Government under National Stock Number 5985-01-046-1585. Primary manufacturer part number: FA101.
Features
  • Attenuator,fixed — FSC 5985
  • Body Style: RECTANGULAR, TERMINAL/TERMINALS ON OPPOSITE SURFACESRECTANGULAR, TERMINAL/TERMINALS ON OPPOSITE SURFACES
  • Coaxial Connector Series Designation: BNCBNC
  • Attenuation Accuracy in Decibels: -0.50 TO 0.50-0.50 TO 0.50
  • Input Impedance Rating in Ohms: 50.050.0
  • Rf Signal Attenuation in Decibels: 10.010.0
  • Connection Type Per Function: FEMALE OUTPUT AND FEMALE OUTPUT AND MALE INPUTMALE INPUT
  • Frequency Range: 1.000 GIGAHERTZ MINIMUM AND 1.000 GIGAHERTZ MINIMUM AND 1.100 GIGAHERTZ MAXIMUM1.100 GIGAHERTZ MAXIMUM
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Attenuator,fixed, cataloged under National Stock Number 5985-01-046-1585, 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 Technical Research and Manufacturing, Inc.. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, 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
NSN5985-01-046-1585
Primary Part NumberFA101
Item NameAttenuator,fixed
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerTechnical Research and Manufacturing, Inc.
StatusACTIVE
Body StyleRECTANGULAR, TERMINAL/TERMINALS ON OPPOSITE SURFACESRECTANGULAR, TERMINAL/TERMINALS ON OPPOSITE SURFACES
Coaxial Connector Series DesignationBNCBNC
Attenuation Accuracy in Decibels-0.50 TO 0.50-0.50 TO 0.50
Input Impedance Rating in Ohms50.050.0
Rf Signal Attenuation in Decibels10.010.0
Connection Type Per FunctionFEMALE OUTPUT AND FEMALE OUTPUT AND MALE INPUTMALE INPUT
Frequency Range1.000 GIGAHERTZ MINIMUM AND 1.000 GIGAHERTZ MINIMUM AND 1.100 GIGAHERTZ MAXIMUM1.100 GIGAHERTZ MAXIMUM
Surface TreatmentANODIZE BODY
Terminal Type and Quantity2 CONNECTOR2 CONNECTOR
Voltage Standing Wave Ratio Frequency Range+1.0 TO 1.1 GIGAHERTZ+1.0 TO 1.1 GIGAHERTZ
Mounting MethodTERMINALTERMINAL
Output Impedance Rating in Ohms50.050.0
Voltage Standing Wave Ratio1.201.20
Application DesignTRANSMISSION LINETRANSMISSION LINE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5950-00-538-3845722899-066 INTERCHANGEABLE
Transformer,power
Raytheon Company Dba Raytheon
5330-00-695-1364 INTERCHANGEABLE
Packing,preformed
3110-00-900-5290791-007-9020 INTERCHANGEABLE
Seat,bearing
Jtekt Bearings North America Llc Div Kbna - Ord 1
4330-00-903-5668T-1567 INTERCHANGEABLE
Filter,fluid
Vermeer Manufacturing Company Dba Vermeer Corporation
3020-01-197-867695-26965 ITEM 6 INTERCHANGEABLE
Gear Rack
Moog Inc. Dba Ampac-Isp Corp
4510-01-264-3504 INTERCHANGEABLE
Faucet,double
6515-01-504-512427221 INTERCHANGEABLE
Electrocardiograph
Del Mar Reynolds Medical, Inc
6110-01-553-63194002-310141-27221 INTERCHANGEABLE
Controller,motor
Ward Leonard Ct Llc
5330-01-644-210615220.106-19 INTERCHANGEABLE
Gasket
Ward Leonard Ct Llc
Cross-Reference Index
Part NumberManufacturer
FA101 PRIMARY Technical Research and Manufacturing, Inc. (USA)
27221 Technical Research and Manufacturing, Inc. (USA)
4037338-0701 Raytheon Company Dba Raytheon Co (USA)
Related Parts
5950-00-538-3845INTERCHANGEABLE
TRANSFORMER,POWER
722899-066
5330-00-695-1364INTERCHANGEABLE
PACKING,PREFORMED
3110-00-900-5290INTERCHANGEABLE
SEAT,BEARING
791-007-9020
4330-00-903-5668INTERCHANGEABLE
FILTER,FLUID
T-1567
3020-01-197-8676INTERCHANGEABLE
GEAR RACK
95-26965 ITEM 6
4510-01-264-3504INTERCHANGEABLE
FAUCET,DOUBLE
6515-01-504-5124INTERCHANGEABLE
ELECTROCARDIOGRAPH
27221
6110-01-553-6319INTERCHANGEABLE
CONTROLLER,MOTOR
4002-310141-27221
5330-01-644-2106INTERCHANGEABLE
GASKET
15220.106-19

Frequently Asked Questions

What is NSN 5985-01-046-1585?

NSN 5985-01-046-1585 is a Attenuator,fixed, manufactured by Technical Research and Manufacturing, Inc., classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-01-046-1585?

NSN 5985-01-046-1585 has 3 cross-referenced part numbers: FA101 (Technical Research and Manufacturing, Inc.), 27221 (Technical Research and Manufacturing, Inc.), 4037338-0701 (Raytheon Company Dba Raytheon Co).

What NSN replaces 5985-01-046-1585?

There are 9 known substitutes for 5985-01-046-1585: 5950-00-538-3845, 5330-00-695-1364, 3110-00-900-5290 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of FA101?

Key specifications for FA101: Body Style: RECTANGULAR, TERMINAL/TERMINALS ON OPPOSITE SURFACESRECTANGULAR, TERMINAL/TERMINALS ON OPPOSITE SURFACES; Coaxial Connector Series Designation: BNCBNC; Attenuation Accuracy in Decibels: -0.50 TO 0.50-0.50 TO 0.50; End Item Identification: AIR TRAFFIC CONTROL BEAQCON INTERROGATOR 5 (ATCBI5)AIR TRAFFIC CONTROL BEAQCON INTERROGATOR 5 (ATCBI5). 18 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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