PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

202775-002Attenuator,fixed

Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems · NSN 5985-01-175-1870 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-01-175-1870 — this item is cataloged by the U.S. Government under National Stock Number 5985-01-175-1870. Primary manufacturer part number: 202775-002.
Features
  • Attenuator,fixed — FSC 5985
  • Application Design: TRANSMISSION LINE
  • Overall Diameter: 0.360 INCHES MAXIMUM IN
  • Temperature Sensitivity Attenuation in Decibels: 0.0010
  • Rf Signal Attenuation in Decibels: 3.0
  • Output Impedance Rating in Ohms: 50.0
  • Connection Type Per Function: FEMALE OUTPUT AND MALE INPUT
  • Voltage Standing Wave Ratio Frequency Range: +0.0 TO 4.0 GIGAHERTZ AND +4.0 TO 12.4 GIGAHERTZ AND +12.4 TO 18.0 GIGAHERTZ
Applications
  • Applications requiring Steel Corrosion Resisting Body construction
General Description

The Attenuator,fixed, cataloged under National Stock Number 5985-01-175-1870, 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 Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems. Government technical data includes 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5985-01-175-1870
Primary Part Number202775-002
Item NameAttenuator,fixed
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerBae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
StatusCANCELLED
Application DesignTRANSMISSION LINE
Overall Diameter0.360 INCHES MAXIMUM IN
Temperature Sensitivity Attenuation in Decibels0.0010
Rf Signal Attenuation in Decibels3.0
Output Impedance Rating in Ohms50.0
Connection Type Per FunctionFEMALE OUTPUT AND MALE INPUT
Voltage Standing Wave Ratio Frequency Range+0.0 TO 4.0 GIGAHERTZ AND +4.0 TO 12.4 GIGAHERTZ AND +12.4 TO 18.0 GIGAHERTZ
Attenuation Accuracy Reference Frequency18.0 GIGAHERTZ
Terminal Type and Quantity2 CONNECTOR
Voltage Standing Wave Ratio1.15 AND 1.30 AND 1.35
Operating Temp Range+0.0 TO 85.0 CELSIUS DEGC
Mounting MethodCONNECTOR
FSC Application DataANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT
Coaxial Connector Series DesignationSMA
Power Rating2.0 WATTS AVERAGE AND 0.2 KILOWATTS PEAK
Input Impedance Rating in Ohms50.0
Unpackaged Unit Weight0.500 OUNCES OZ
MaterialSTEEL CORROSION RESISTING BODY
Attenuation Accuracy in Decibels-0.30 TO 0.30
Frequency Range0.000 HERTZ MINIMUM AND 18.000 GIGAHERTZ MAXIMUM
Body StyleROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 8
6930-00-122-793847823 INTERCHANGEABLE
Elevation Test Plat
Cae Usa Inc.
2930-00-221-5878CA200652 INTERCHANGEABLE
Power Element and Flange Assembl
Evans Tempcon Michigan, Llc
5360-00-322-5627 INTERCHANGEABLE
Spring,helical,extension
5826-00-591-130355942 INTERCHANGEABLE
Hub and Wheel Assy
Sensor Systems, L.l.c. Dba Sensor Systems Llc
5120-00-892-240347823 INTERCHANGEABLE
Die,crimping Tool
Te Connectivity Corporation
1650-00-944-690955942 INTERCHANGEABLE
Cap,valve
Hydro-Aire Aerospace Corp
4720-01-230-3645 INTERCHANGEABLE
Hose Assembly,nonmetallic
4820-01-320-83965594-2 INTERCHANGEABLE
Valve,rotary,selector
Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupler Division
Cross-Reference Index
Part NumberManufacturer
146457-001 Caes Systems Llc (USA)
ATT-0290-03-012-02 Cinch Connectivity Solutions Inc (USA)
146457-001 3 L3harris Technologies, Inc. (USA)
202775-002 PRIMARY Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems (USA)
146457-001 Antenna & Radome Research Associates Corp Dba Arra Inc Div Arra Inc (USA)
4782-3 Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq (USA)
2903DB Cinch Connectivity Solutions Inc (USA)
5594-2 PRIMARY Spectrum Control Inc Div Weinschel (USA)
146457-001 PRIMARY L3harris Technologies, Inc. (USA)
632675-023 Watkins Johnson Co (USA)
632675-023 Watkins-Johnson Co (USA)
Related Parts
6930-00-122-7938INTERCHANGEABLE
ELEVATION TEST PLAT
47823
2930-00-221-5878INTERCHANGEABLE
POWER ELEMENT AND FLANGE ASSEMBL
CA200652
5360-00-322-5627INTERCHANGEABLE
SPRING,HELICAL,EXTENSION
5826-00-591-1303INTERCHANGEABLE
HUB AND WHEEL ASSY
55942
5120-00-892-2403INTERCHANGEABLE
DIE,CRIMPING TOOL
47823
1650-00-944-6909INTERCHANGEABLE
CAP,VALVE
55942
4720-01-230-3645INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
4820-01-320-8396INTERCHANGEABLE
VALVE,ROTARY,SELECTOR
5594-2

Frequently Asked Questions

What is NSN 5985-01-175-1870?

NSN 5985-01-175-1870 is a Attenuator,fixed, manufactured by Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems, classified under FSC 5985 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5985-01-175-1870?

NSN 5985-01-175-1870 has 11 cross-referenced part numbers: 146457-001 (Caes Systems Llc), ATT-0290-03-012-02 (Cinch Connectivity Solutions Inc), 146457-001 3 (L3harris Technologies, Inc.), 202775-002 (Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems), 146457-001 (Antenna & Radome Research Associates Corp Dba Arra Inc Div Arra Inc) and 6 more.

What NSN replaces 5985-01-175-1870?

There are 8 known substitutes for 5985-01-175-1870: 6930-00-122-7938, 2930-00-221-5878, 5360-00-322-5627 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 202775-002?

Key specifications for 202775-002: Application Design: TRANSMISSION LINE; Overall Diameter: 0.360 INCHES MAXIMUM IN; Temperature Sensitivity Attenuation in Decibels: 0.0010; Rf Signal Attenuation in Decibels: 3.0. 22 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5985-01-175-1870 still in active supply?

NSN 5985-01-175-1870 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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