PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

858Waveguide Assembly

Waveline Inc · NSN 5985-00-177-7202 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-00-177-7202 — this item is cataloged by the U.S. Government under National Stock Number 5985-00-177-7202. Primary manufacturer part number: 858.
Features
  • Waveguide Assembly — FSC 5985
  • Waveguide Length: 2.500 INCHES NOMINAL IN
  • Specification/standard Data: 81413-203363 MANUFACTURERS SOURCE CONTROL
  • Flange Inside Height: 0.253 INCHES MINIMUM AND 0.255 INCHES MAXIMUM ALL FLANGES IN
  • FSC Application Data: ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT
  • Style Designator: TEE, HYBRID TYPE
  • Waveguide Inside Width: 0.418 INCHES MINIMUM AND 0.422 INCHES MAXIMUM IN
  • Flange Outside Width: 0.860 INCHES MINIMUM AND 0.890 INCHES MAXIMUM ALL FLANGES IN
Applications
  • Applications requiring Copper Alloy All Tubing Segment and Flange construction
General Description

The Waveguide Assembly, cataloged under National Stock Number 5985-00-177-7202, 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 Waveline Inc. Government technical data includes 26 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 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
NSN5985-00-177-7202
Primary Part Number858
Item NameWaveguide Assembly
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerWaveline Inc
StatusACTIVE
Waveguide Length2.500 INCHES NOMINAL IN
Specification/standard Data81413-203363 MANUFACTURERS SOURCE CONTROL
Flange Inside Height0.253 INCHES MINIMUM AND 0.255 INCHES MAXIMUM ALL FLANGES IN
FSC Application DataANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT
Style DesignatorTEE, HYBRID TYPE
Waveguide Inside Width0.418 INCHES MINIMUM AND 0.422 INCHES MAXIMUM IN
Flange Outside Width0.860 INCHES MINIMUM AND 0.890 INCHES MAXIMUM ALL FLANGES IN
Flange Outside Height0.860 INCHES MINIMUM AND 0.890 INCHES MAXIMUM ALL FLANGES IN
Flange Connecting Facility and Quantity4 UNTHREADED HOLE(S) ALL FLANGES ALL CONNECTION FACILITIES
Waveguide Height1.250 INCHES NOMINAL IN
Waveguide Longer Offset Distance1.250 INCHES NOMINAL IN
MaterialCOPPER ALLOY ALL TUBING SEGMENT AND FLANGE
FlexibilityRIGID ALL TUBING SEGMENT
Flange Connecting Hole Diameter0.116 INCHES MINIMUM AND 0.118 INCHES MAXIMUM ALL FLANGES ALL CONNECTION FACILITIES IN
Tubing Wall Construction StyleSEAMLESS ALL TUBING SEGMENT
Waveguide Inside Height0.168 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN
Waveguide Outside Height0.247 INCHES MINIMUM AND 0.253 INCHES MAXIMUM IN
Waveguide Outside Width0.497 INCHES MINIMUM AND 0.503 INCHES MAXIMUM IN
Waveguide Width1.250 INCHES NOMINAL IN
Flange Depth0.173 INCHES MINIMUM AND 0.203 INCHES MAXIMUM ALL FLANGES IN
Flange Inside Width0.503 INCHES MINIMUM AND 0.505 INCHES MAXIMUM ALL FLANGES IN
Flange Quantity4
Surface TreatmentENAMEL ALL TUBING SEGMENT AND FLANGE OUTSIDE SURFACES
Cross-Sectional Shape StyleINTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR
Flange StyleCOVER TYPE ALL FLANGES
Voltage Standing Wave Ratio1.40
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
6740-00-128-8850CP2031 INTERCHANGEABLE
Rack,roll Film
Calumet Photographic, Inc.
5940-00-178-0382858 INTERCHANGEABLE
Terminal Board
Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron
5960-00-189-5974 INTERCHANGEABLE
Electron Tube
6625-00-539-6955858 INTERCHANGEABLE
Ammeter
Sterling Mfg Co
5133-00-865-4225 INTERCHANGEABLE
Bit,spade,wood Boring
5365-00-900-6417858 INTERCHANGEABLE
Spacer
Eaton Corporation Div Eaton Fluid Power
7320-01-490-6771858 INTERCHANGEABLE
Rod,mesat Slicer
Globe Food Equipment Company
Cross-Reference Index
Part NumberManufacturer
203363-000 Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems (USA)
20-1216655-1 General Dynamics Advanced Information Systems Inc. Dba General Dynamics Advanced Information Systems (USA)
858 PRIMARY Waveline Inc (USA)
Related Parts
6740-00-128-8850INTERCHANGEABLE
RACK,ROLL FILM
CP2031
5940-00-178-0382INTERCHANGEABLE
TERMINAL BOARD
858
5960-00-189-5974INTERCHANGEABLE
ELECTRON TUBE
6625-00-539-6955INTERCHANGEABLE
AMMETER
858
5133-00-865-4225INTERCHANGEABLE
BIT,SPADE,WOOD BORING
5365-00-900-6417INTERCHANGEABLE
SPACER
858
7320-01-490-6771INTERCHANGEABLE
ROD,MESAT SLICER
858

Frequently Asked Questions

What is NSN 5985-00-177-7202?

NSN 5985-00-177-7202 is a Waveguide Assembly, manufactured by Waveline Inc, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-00-177-7202?

NSN 5985-00-177-7202 has 3 cross-referenced part numbers: 203363-000 (Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems), 20-1216655-1 (General Dynamics Advanced Information Systems Inc. Dba General Dynamics Advanced Information Systems), 858 (Waveline Inc).

What NSN replaces 5985-00-177-7202?

There are 7 known substitutes for 5985-00-177-7202: 6740-00-128-8850, 5940-00-178-0382, 5960-00-189-5974 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 858?

Key specifications for 858: Waveguide Length: 2.500 INCHES NOMINAL IN; Specification/standard Data: 81413-203363 MANUFACTURERS SOURCE CONTROL; Flange Inside Height: 0.253 INCHES MINIMUM AND 0.255 INCHES MAXIMUM ALL FLANGES IN; FSC Application Data: ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT. 26 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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