PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

258-2Waveguide Assembly

Eaton Corp Electronic Instrumentation Div Los Angeles Plant · NSN 5985-00-159-1188 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-00-159-1188 — this item is cataloged by the U.S. Government under National Stock Number 5985-00-159-1188. Primary manufacturer part number: 258-2.
Features
  • Waveguide Assembly — FSC 5985
  • Flange Quantity: 2
  • FSC Application Data: TEST SETS,ELECTRONIC SYSTEMS,EXCEPT SPECIALLY DESIGNED
  • Flexibility: RIGID SINGLE TUBING SEGMENT
  • Style Designator: STRAIGHT TYPE
  • Waveguide Length: 2.218 INCHES NOMINAL IN
  • 1 verified cross-reference
  • Primary manufacturer: Eaton Corp Electronic Instrumentation Div Los Angeles Plant
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Waveguide Assembly, cataloged under National Stock Number 5985-00-159-1188, 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 Eaton Corp Electronic Instrumentation Div Los Angeles Plant. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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
NSN5985-00-159-1188
Primary Part Number258-2
Item NameWaveguide Assembly
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerEaton Corp Electronic Instrumentation Div Los Angeles Plant
StatusACTIVE
Flange Quantity2
FSC Application DataTEST SETS,ELECTRONIC SYSTEMS,EXCEPT SPECIALLY DESIGNED
FlexibilityRIGID SINGLE TUBING SEGMENT
Style DesignatorSTRAIGHT TYPE
Waveguide Length2.218 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5330-00-062-5859BACG10AH211 INTERCHANGEABLE
Gasket
Parker-Hannifin Corporation Dba Pneutronics Div Composite Sealing Systems Division
5120-00-088-40099358 INTERCHANGEABLE
Alignment Tool,electronic Equipm
Gc/waldom Inc
3110-00-100-07302582 INTERCHANGEABLE
Cone and Rollers,tapered Roller
The Timken Corporation
5330-00-308-8993 INTERCHANGEABLE
Gasket
5310-01-079-03382582 INTERCHANGEABLE
Nut,self-Locking,clinch
Howmet Global Fastening Systems Inc. Div Tridair Products
5935-01-133-9500ADT-2582-NF-SMM-02 INTERCHANGEABLE
Adapter,connector
Cinch Connectivity Solutions Inc
5410-01-155-4196258-2-38 INTERCHANGEABLE
Building,prefabricated,ready-Cut
Endure-a-Lifetime Products Inc
4130-01-256-33534196011 INTERCHANGEABLE
Filter Media,air Conditioning
Am-Mac Incorporated
5410-01-266-7966258-2 INTERCHANGEABLE
Building,prefabricated,sectional
Industrial Acoustics Company, Inc. Dba I a C Div Iac Acoustics
Cross-Reference Index
Part NumberManufacturer
258-2 Eaton Corp Electronic Instrumentation Div Los Angeles Plant (USA)
Related Parts
5330-00-062-5859INTERCHANGEABLE
GASKET
BACG10AH211
5120-00-088-4009INTERCHANGEABLE
ALIGNMENT TOOL,ELECTRONIC EQUIPM
9358
3110-00-100-0730INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
2582
5330-00-308-8993INTERCHANGEABLE
GASKET
5310-01-079-0338INTERCHANGEABLE
NUT,SELF-LOCKING,CLINCH
2582
5935-01-133-9500INTERCHANGEABLE
ADAPTER,CONNECTOR
ADT-2582-NF-SMM-02
5410-01-155-4196INTERCHANGEABLE
BUILDING,PREFABRICATED,READY-CUT
258-2-38
4130-01-256-3353INTERCHANGEABLE
FILTER MEDIA,AIR CONDITIONING
4196011
5410-01-266-7966INTERCHANGEABLE
BUILDING,PREFABRICATED,SECTIONAL
258-2

Frequently Asked Questions

What is NSN 5985-00-159-1188?

NSN 5985-00-159-1188 is a Waveguide Assembly, manufactured by Eaton Corp Electronic Instrumentation Div Los Angeles Plant, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-00-159-1188?

NSN 5985-00-159-1188 has 1 cross-referenced part number: 258-2 (Eaton Corp Electronic Instrumentation Div Los Angeles Plant).

What NSN replaces 5985-00-159-1188?

There are 9 known substitutes for 5985-00-159-1188: 5330-00-062-5859, 5120-00-088-4009, 3110-00-100-0730 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 258-2?

Key specifications for 258-2: Flange Quantity: 2; FSC Application Data: TEST SETS,ELECTRONIC SYSTEMS,EXCEPT SPECIALLY DESIGNED; Flexibility: RIGID SINGLE TUBING SEGMENT; Style Designator: STRAIGHT TYPE. 5 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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