PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

435332-21Attenuator,fixed

L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products · NSN 5985-01-161-1975 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-01-161-1975 — this item is cataloged by the U.S. Government under National Stock Number 5985-01-161-1975. Primary manufacturer part number: 435332-21.
Features
  • Attenuator,fixed — FSC 5985
  • Output Impedance Rating in Ohms: 50.0
  • Connection Type Per Function: FEMALE INPUT AND MALE OUTPUT
  • Unpackaged Unit Weight: 0.500 OUNCES OZ
  • Input Impedance Rating in Ohms: 50.0
  • 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
  • Coaxial Connector Series Designation: SMA
  • Attenuation Accuracy in Decibels: -0.40 TO 0.40
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Attenuator,fixed, cataloged under National Stock Number 5985-01-161-1975, 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 L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-01-161-1975
Primary Part Number435332-21
Item NameAttenuator,fixed
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerL3harris Technologies, Inc. Dba Harris Corp Div Antenna Products
StatusACTIVE
Output Impedance Rating in Ohms50.0
Connection Type Per FunctionFEMALE INPUT AND MALE OUTPUT
Unpackaged Unit Weight0.500 OUNCES OZ
Input Impedance Rating in Ohms50.0
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
Coaxial Connector Series DesignationSMA
Attenuation Accuracy in Decibels-0.40 TO 0.40
Power Rating2.0 WATTS AVERAGE AND 200.0 WATTS PEAK
Operating Temp Range-65.0 TO 105.0 CELSIUS DEGC
Overall Diameter0.380 INCHES NOMINAL IN
Frequency Range0.000 HERTZ MINIMUM AND 18.000 GIGAHERTZ MAXIMUM
Terminal Type and Quantity2 CONNECTOR
Rf Signal Attenuation in Decibels2.0
Attenuation Accuracy Reference Frequency18.0 GIGAHERTZ
Body StyleROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE
Mounting MethodCONNECTOR
Voltage Standing Wave Ratio1.15 AND 1.30 AND 1.35
FSC Application DataANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT
Application DesignTRANSMISSION LINE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5340-00-200-3944920RN04101S INTERCHANGEABLE
Caster,swivel
Albion Industries, Inc.
5340-00-603-1533 INTERCHANGEABLE
Seat,helical Compression Spring
5950-00-647-6809 INTERCHANGEABLE
Transformer,power
5950-00-859-7955 INTERCHANGEABLE
Transformer,power
5999-01-038-3129131-0965-00 INTERCHANGEABLE
Contact,electrical
Tektronix, Inc.
7490-01-395-3290A310-3 INTERCHANGEABLE
Shredding Machine,paper
Security Engineered Machinery Co., Inc.
5120-01-398-928600947792000 INTERCHANGEABLE
Socket,socket Wrench
Sears, Roebuck and Co. Dba Sears Div Sears Commercial
Cross-Reference Index
Part NumberManufacturer
A-3103 Rlc Electronics, Inc (USA)
3390/289/2 Racal Radar Defence Systems Ltd (GBR)
435332-21 PRIMARY L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products (USA)
3390/289/2 Thales Uk Limited Dba Thales Uk Ltd Defence Mission Systems (GBR)
2082-4230-02 Cobham Advanced Electronic Solutions Inc. (USA)
50MP2-666 Alan Industries Inc (USA)
A981S Caes Systems Llc (USA)
4779-2 Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq (USA)
Related Parts
5340-00-200-3944INTERCHANGEABLE
CASTER,SWIVEL
920RN04101S
5340-00-603-1533INTERCHANGEABLE
SEAT,HELICAL COMPRESSION SPRING
5950-00-647-6809INTERCHANGEABLE
TRANSFORMER,POWER
5950-00-859-7955INTERCHANGEABLE
TRANSFORMER,POWER
5999-01-038-3129INTERCHANGEABLE
CONTACT,ELECTRICAL
131-0965-00
7490-01-395-3290INTERCHANGEABLE
SHREDDING MACHINE,PAPER
A310-3
5120-01-398-9286INTERCHANGEABLE
SOCKET,SOCKET WRENCH
00947792000

Frequently Asked Questions

What is NSN 5985-01-161-1975?

NSN 5985-01-161-1975 is a Attenuator,fixed, manufactured by L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-01-161-1975?

NSN 5985-01-161-1975 has 8 cross-referenced part numbers: A-3103 (Rlc Electronics, Inc), 3390/289/2 (Racal Radar Defence Systems Ltd), 435332-21 (L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products), 3390/289/2 (Thales Uk Limited Dba Thales Uk Ltd Defence Mission Systems), 2082-4230-02 (Cobham Advanced Electronic Solutions Inc.) and 3 more.

What NSN replaces 5985-01-161-1975?

There are 7 known substitutes for 5985-01-161-1975: 5340-00-200-3944, 5340-00-603-1533, 5950-00-647-6809 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 435332-21?

Key specifications for 435332-21: Output Impedance Rating in Ohms: 50.0; Connection Type Per Function: FEMALE INPUT AND MALE OUTPUT; Unpackaged Unit Weight: 0.500 OUNCES OZ; Input Impedance Rating in Ohms: 50.0. 20 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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