PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

128SCAV369-601Waveguide Assembly

Northrop Grumman Systems Corporation · NSN 5985-00-478-2823 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-00-478-2823 — this item is cataloged by the U.S. Government under National Stock Number 5985-00-478-2823. Primary manufacturer part number: 128SCAV369-601.
Features
  • Waveguide Assembly — FSC 5985
  • Material: ALUMINUM ALLOY ALL TUBING SEGMENT AND FLANGE
  • Surface Treatment: CHROMATE AND PAINT AND PRIMER ALL TUBING SEGMENT AND FLANGE OUTSIDE SURFACES
  • Flexibility: RIGID SINGLE TUBING SEGMENT
  • Waveguide Inside Width: 0.6195 INCHES MINIMUM AND 0.6245 INCHES MAXIMUM IN
  • Waveguide Third Leg Length: 7.500 INCHES NOMINAL IN
  • Flange Style: COVER TYPE FIRST FLANGE
  • Waveguide Inside Height: 0.3085 INCHES MINIMUM AND 0.3135 INCHES MAXIMUM IN
Applications
  • Applications requiring Aluminum Alloy All Tubing Segment and Flange construction
General Description

The Waveguide Assembly, cataloged under National Stock Number 5985-00-478-2823, 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 24 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-00-478-2823
Primary Part Number128SCAV369-601
Item NameWaveguide Assembly
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation
StatusACTIVE
MaterialALUMINUM ALLOY ALL TUBING SEGMENT AND FLANGE
Surface TreatmentCHROMATE AND PAINT AND PRIMER ALL TUBING SEGMENT AND FLANGE OUTSIDE SURFACES
FlexibilityRIGID SINGLE TUBING SEGMENT
Waveguide Inside Width0.6195 INCHES MINIMUM AND 0.6245 INCHES MAXIMUM IN
Waveguide Third Leg Length7.500 INCHES NOMINAL IN
Flange StyleCOVER TYPE FIRST FLANGE
Waveguide Inside Height0.3085 INCHES MINIMUM AND 0.3135 INCHES MAXIMUM IN
Waveguide Second Leg Length5.500 INCHES NOMINAL IN
Style DesignatorTHREE BEND TYPE
Operating Pressure20.0 POUNDS PER SQUARE INCH GAUGE (PSIG) MAXIMUM LBS
Flange Quantity2
Flange Inside Height0.394 INCHES MINIMUM AND 0.396 INCHES MAXIMUM FIRST FLANGE IN
Waveguide Fourth Leg Length2.940 INCHES NOMINAL IN
FSC Application DataANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT
Waveguide Outside Width0.699 INCHES MINIMUM AND 0.705 INCHES MAXIMUM IN
Flange Inside Width0.705 INCHES MINIMUM AND 0.707 INCHES MAXIMUM FIRST FLANGE IN
Voltage Standing Wave Ratio1.15
Flange Connecting Hole Diameter0.169 INCHES MINIMUM AND 0.172 INCHES MAXIMUM ALL FLANGES ALL CONNECTION FACILITIES IN
Flange Outside Height1.298 INCHES MINIMUM AND 1.328 INCHES MAXIMUM FIRST FLANGE IN
Flange Depth0.298 INCHES MINIMUM AND 0.328 INCHES MAXIMUM FIRST FLANGE IN
Flange Outside Width1.298 INCHES MINIMUM AND 1.328 INCHES MAXIMUM FIRST FLANGE IN
Cross-Sectional Shape StyleINTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR
Flange Connecting Facility and Quantity4 UNTHREADED HOLE(S) ALL FLANGES ALL CONNECTION FACILITIES
Waveguide Outside Height0.388 INCHES MINIMUM AND 0.394 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
2810-00-601-1393117008 INTERCHANGEABLE
Diffuser,case
Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
5999-00-959-3001117008 INTERCHANGEABLE
Contact,electrical
Microwave Power Products, Inc. Div Microwave Power Products Division
6240-01-423-9738AT5004 INTERCHANGEABLE
Lamp,fluorescent
Advanced Technologies Inc
Cross-Reference Index
Part NumberManufacturer
TR57805 Microwave Engineering Corporation (USA)
128SCAV369-601 Microtech Inc Dba Microtech Inc (USA)
117008 Litton Systems Inc Airtron Div (USA)
CI49476 Page Chester Ltd Dba Cooperative Industries Div Cooperative Industries Aerospace Defense (USA)
128SCAV369-601 PRIMARY Northrop Grumman Systems Corporation (USA)
128SCAV369-601 Northrop Grumman Systems Corporation (USA)
Related Parts
2810-00-601-1393INTERCHANGEABLE
DIFFUSER,CASE
117008
5999-00-959-3001INTERCHANGEABLE
CONTACT,ELECTRICAL
117008
6240-01-423-9738INTERCHANGEABLE
LAMP,FLUORESCENT
AT5004

Frequently Asked Questions

What is NSN 5985-00-478-2823?

NSN 5985-00-478-2823 is a Waveguide Assembly, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-00-478-2823?

NSN 5985-00-478-2823 has 6 cross-referenced part numbers: TR57805 (Microwave Engineering Corporation), 128SCAV369-601 (Microtech Inc Dba Microtech Inc), 117008 (Litton Systems Inc Airtron Div), CI49476 (Page Chester Ltd Dba Cooperative Industries Div Cooperative Industries Aerospace Defense), 128SCAV369-601 (Northrop Grumman Systems Corporation) and 1 more.

What NSN replaces 5985-00-478-2823?

There are 3 known substitutes for 5985-00-478-2823: 2810-00-601-1393, 5999-00-959-3001, 6240-01-423-9738. Verify interchangeability with system specifications before substitution.

What are the specifications of 128SCAV369-601?

Key specifications for 128SCAV369-601: Material: ALUMINUM ALLOY ALL TUBING SEGMENT AND FLANGE; Surface Treatment: CHROMATE AND PAINT AND PRIMER ALL TUBING SEGMENT AND FLANGE OUTSIDE SURFACES; Flexibility: RIGID SINGLE TUBING SEGMENT; Waveguide Inside Width: 0.6195 INCHES MINIMUM AND 0.6245 INCHES MAXIMUM IN. 24 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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