PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

167643Attenuator,fixed

Northrop Grumman Systems Corporation · NSN 5985-01-203-1202 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-01-203-1202 — this item is cataloged by the U.S. Government under National Stock Number 5985-01-203-1202. Primary manufacturer part number: 167643.
Features
  • Attenuator,fixed — FSC 5985
  • Body Style: ROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE
  • Connection Type Per Function: FEMALE INPUT AND MALE OUTPUT
  • Overall Diameter: 0.300 INCHES MINIMUM AND 0.420 INCHES MAXIMUM IN
  • Terminal Type and Quantity: 2 CONNECTOR
  • Power Rating: 1.0 WATTS PEAK
  • Voltage Standing Wave Ratio: 1.30
  • Rf Signal Attenuation in Decibels: 37.3
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Attenuator,fixed, cataloged under National Stock Number 5985-01-203-1202, 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 Corporation. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 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
NSN5985-01-203-1202
Primary Part Number167643
Item NameAttenuator,fixed
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation
StatusACTIVE
Body StyleROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE
Connection Type Per FunctionFEMALE INPUT AND MALE OUTPUT
Overall Diameter0.300 INCHES MINIMUM AND 0.420 INCHES MAXIMUM IN
Terminal Type and Quantity2 CONNECTOR
Power Rating1.0 WATTS PEAK
Voltage Standing Wave Ratio1.30
Rf Signal Attenuation in Decibels37.3
Coaxial Connector Series DesignationSMA
Voltage Standing Wave Ratio Frequency Range+5.4 TO 5.9 GIGAHERTZ
Mounting MethodCONNECTOR
FSC Application DataANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT
Output Impedance Rating in Ohms50.0
Unpackaged Unit Weight0.100 POUNDS LBS
Operating Temp Range+0.0 TO 65.0 CELSIUS DEGC
Input Impedance Rating in Ohms50.0
Frequency Range5.400 GIGAHERTZ MINIMUM AND 5.900 GIGAHERTZ MAXIMUM
Application DesignTRANSMISSION LINE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4030-00-282-2512612345E INTERCHANGEABLE
Thimble,rope
U S Army Tank Automotive Command Amsta-Im-Mm
4730-00-595-27623691-54REVAPC13 INTERCHANGEABLE
Reducer,tube
Electric Boat Corporation Div General Dynamics Electric Boat
5330-00-738-2233356-4 INTERCHANGEABLE
Seal,valve Flange
Fl Industries Inc Pneumotive Div
5120-00-772-7156T-233281 INTERCHANGEABLE
Inserter,bearing and Bushing
Eaton Aerospace, Llc Dba Jackson South
5815-00-859-654703564 INTERCHANGEABLE
Clamp,belt Wedge
Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service
5950-00-915-04233564 INTERCHANGEABLE
Transformer,power
Sartron, Inc
6510-00-926-8884 INTERCHANGEABLE
Adhesive Tape,surgical
5977-00-938-14003564 INTERCHANGEABLE
Holder,electrical Contact Brush
Mersen Usa Ptt Corp Dba Mersen Usa - Salem Branch Div Mersen Usa Bn Corp
6625-01-016-81713564-2 INTERCHANGEABLE
Probe,test
Fluke Electronics Corp
5365-01-065-890935-64 INTERCHANGEABLE
Spacer,sleeve
Cone Drive Operations Inc
Cross-Reference Index
Part NumberManufacturer
WA3-37.3 Nvision Industries, Inc. Dba Weinschel Associates Div Weinschel Associates (USA)
AG-E28 Microlab/fxr Llc (USA)
3564 Cinch Connectivity Solutions Inc (USA)
167643 PRIMARY Northrop Grumman Systems Corporation (USA)
Related Parts
4030-00-282-2512INTERCHANGEABLE
THIMBLE,ROPE
612345E
4730-00-595-2762INTERCHANGEABLE
REDUCER,TUBE
3691-54REVAPC13
5330-00-738-2233INTERCHANGEABLE
SEAL,VALVE FLANGE
356-4
5120-00-772-7156INTERCHANGEABLE
INSERTER,BEARING AND BUSHING
T-233281
5815-00-859-6547INTERCHANGEABLE
CLAMP,BELT WEDGE
03564
5950-00-915-0423INTERCHANGEABLE
TRANSFORMER,POWER
3564
6510-00-926-8884INTERCHANGEABLE
ADHESIVE TAPE,SURGICAL
5977-00-938-1400INTERCHANGEABLE
HOLDER,ELECTRICAL CONTACT BRUSH
3564
6625-01-016-8171INTERCHANGEABLE
PROBE,TEST
3564-2
5365-01-065-8909INTERCHANGEABLE
SPACER,SLEEVE
35-64
5306-01-164-8277INTERCHANGEABLE
BOLT,MACHINE
3564
5340-01-288-0607INTERCHANGEABLE
BRACKET,ANGLE

Frequently Asked Questions

What is NSN 5985-01-203-1202?

NSN 5985-01-203-1202 is a Attenuator,fixed, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-01-203-1202?

NSN 5985-01-203-1202 has 4 cross-referenced part numbers: WA3-37.3 (Nvision Industries, Inc. Dba Weinschel Associates Div Weinschel Associates), AG-E28 (Microlab/fxr Llc), 3564 (Cinch Connectivity Solutions Inc), 167643 (Northrop Grumman Systems Corporation).

What NSN replaces 5985-01-203-1202?

There are 12 known substitutes for 5985-01-203-1202: 4030-00-282-2512, 4730-00-595-2762, 5330-00-738-2233 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 167643?

Key specifications for 167643: Body Style: ROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE; Connection Type Per Function: FEMALE INPUT AND MALE OUTPUT; Overall Diameter: 0.300 INCHES MINIMUM AND 0.420 INCHES MAXIMUM IN; Terminal Type and Quantity: 2 CONNECTOR. 19 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com