PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

637163Attenuator Assembly

Naval Ship Systems Command · NSN 5985-00-217-8581 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-00-217-8581 — this item is cataloged by the U.S. Government under National Stock Number 5985-00-217-8581. Primary manufacturer part number: 637163.
Features
  • Attenuator Assembly — FSC 5985
  • Terminal Type: CONNECTOR, COAXIAL
  • Input Impedance Rating in Ohms: 600.0
  • Output Impedance Rating in Ohms: 600.0
  • Mounting Method: BUSHING
  • Assembly Construction Method: ENCASED IN CASE
  • Attenuator Type: VARIABLE
  • Terminal Quantity: 4
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Attenuator Assembly, cataloged under National Stock Number 5985-00-217-8581, 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 Naval Ship Systems Command. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5985-00-217-8581
Primary Part Number637163
Item NameAttenuator Assembly
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerNaval Ship Systems Command
StatusCANCELLED
Terminal TypeCONNECTOR, COAXIAL
Input Impedance Rating in Ohms600.0
Output Impedance Rating in Ohms600.0
Mounting MethodBUSHING
Assembly Construction MethodENCASED IN CASE
Attenuator TypeVARIABLE
Terminal Quantity4
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 9
5960-00-166-7681YA7583734 INTERCHANGEABLE
Electron Tube
Lucent Technologies Inc Corporate Headquarters
5935-00-201-9490PU116AU INTERCHANGEABLE
Jack,tip
Joint Electronics Type Designation System
6850-00-242-2089154-8759/1.0 GL INTERCHANGEABLE
Thinner,chemical
The Sherwin-Williams Company
8010-00-246-6116 INTERCHANGEABLE
Thinner,paint Products
8010-00-290-4079 INTERCHANGEABLE
Thinner,paint Products
8010-00-558-7026 INTERCHANGEABLE
Thinner,paint Products
6625-01-049-0873350B INTERCHANGEABLE
Meter,standing Wave Ratio
Lockheed Martin Corporation Div Rms - Mitchel Field
5895-01-106-3809350B INTERCHANGEABLE
Comparator Module,signal
Analog Devices, Inc. Div Corporate Headquarters
4910-01-623-5779 INTERCHANGEABLE
Holder,maintenance Fixture,multi
Cross-Reference Index
Part NumberManufacturer
637163 PRIMARY Naval Ship Systems Command (USA)
110L105REV0 PRIMARY Keysight Technologies Inc (USA)
350B Hewlett-Packard Company Dba HP (USA)
TS3114 Ministerie Van Defensie Clascommandovoerings-, Informatie- En Simulatie Systemen (NLD)
350B PRIMARY Keysight Technologies Inc (USA)
110L105REV0 Hewlett-Packard Company Dba HP (USA)
350B Keysight Technologies, Inc. (USA)
110L105REV0 Keysight Technologies, Inc. (USA)
Related Parts
5960-00-166-7681INTERCHANGEABLE
ELECTRON TUBE
YA7583734
5935-00-201-9490INTERCHANGEABLE
JACK,TIP
PU116AU
6850-00-242-2089INTERCHANGEABLE
THINNER,CHEMICAL
154-8759/1.0 GL
8010-00-246-6116INTERCHANGEABLE
THINNER,PAINT PRODUCTS
8010-00-290-4079INTERCHANGEABLE
THINNER,PAINT PRODUCTS
8010-00-558-7026INTERCHANGEABLE
THINNER,PAINT PRODUCTS
6625-01-049-0873INTERCHANGEABLE
METER,STANDING WAVE RATIO
350B
5895-01-106-3809INTERCHANGEABLE
COMPARATOR MODULE,SIGNAL
350B
4910-01-623-5779INTERCHANGEABLE
HOLDER,MAINTENANCE FIXTURE,MULTI

Frequently Asked Questions

What is NSN 5985-00-217-8581?

NSN 5985-00-217-8581 is a Attenuator Assembly, manufactured by Naval Ship Systems Command, classified under FSC 5985 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5985-00-217-8581?

NSN 5985-00-217-8581 has 8 cross-referenced part numbers: 637163 (Naval Ship Systems Command), 110L105REV0 (Keysight Technologies Inc), 350B (Hewlett-Packard Company Dba HP), TS3114 (Ministerie Van Defensie Clascommandovoerings-, Informatie- En Simulatie Systemen), 350B (Keysight Technologies Inc) and 3 more.

What NSN replaces 5985-00-217-8581?

There are 9 known substitutes for 5985-00-217-8581: 5960-00-166-7681, 5935-00-201-9490, 6850-00-242-2089 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 637163?

Key specifications for 637163: Terminal Type: CONNECTOR, COAXIAL; Input Impedance Rating in Ohms: 600.0; Output Impedance Rating in Ohms: 600.0; Mounting Method: BUSHING. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5985-00-217-8581 still in active supply?

NSN 5985-00-217-8581 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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