PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

CG165AU0-6Waveguide Assembly

Joint Electronics Type Designation System · NSN 5985-00-665-1144 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-00-665-1144 — this item is cataloged by the U.S. Government under National Stock Number 5985-00-665-1144. Primary manufacturer part number: CG165AU0-6.
Features
  • Waveguide Assembly — FSC 5985
  • Flange Style: COVER TYPE ALL FLANGES
  • Flange Connecting Hole Diameter: 0.169 INCHES NOMINAL ALL FLANGES SINGLE CONNECTION FACILITY IN
  • Tubing Wall Construction Style: SEAMLESS SINGLE TUBING SEGMENT
  • Waveguide Length: 6.000 INCHES NOMINAL IN
  • Precious Material: SILVER
  • Flange Connecting Facility and Quantity: 4 UNTHREADED HOLE(S) ALL FLANGES SINGLE CONNECTION FACILITY
  • Waveguide Inside Width: 1.122 INCHES NOMINAL IN
Applications
  • Applications requiring Metal Nonferrous/d All Tubing Segment construction
General Description

The Waveguide Assembly, cataloged under National Stock Number 5985-00-665-1144, 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 Joint Electronics Type Designation System. Government technical data includes 24 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5985-00-665-1144
Primary Part NumberCG165AU0-6
Item NameWaveguide Assembly
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerJoint Electronics Type Designation System
StatusCANCELLED
Flange StyleCOVER TYPE ALL FLANGES
Flange Connecting Hole Diameter0.169 INCHES NOMINAL ALL FLANGES SINGLE CONNECTION FACILITY IN
Tubing Wall Construction StyleSEAMLESS SINGLE TUBING SEGMENT
Waveguide Length6.000 INCHES NOMINAL IN
Precious MaterialSILVER
Flange Connecting Facility and Quantity4 UNTHREADED HOLE(S) ALL FLANGES SINGLE CONNECTION FACILITY
Waveguide Inside Width1.122 INCHES NOMINAL IN
MaterialMETAL NONFERROUS/D ALL TUBING SEGMENT
Waveguide Inside Height0.497 INCHES NOMINAL IN
FSC Application DataRADAR EQUIPMENT,EXCEPT AIRBORNE
Flange Depth0.438 INCHES NOMINAL ALL FLANGES IN
Style DesignatorSTRAIGHT TYPE
Precious Material and LocationFLANGE SURFACE SILVER
Flange Inside Width1.253 INCHES NOMINAL ALL FLANGES IN
FlexibilityFLEXIBLE SINGLE TUBING SEGMENT
Flange Quantity2
Surface TreatmentSILVER ALL TUBING SEGMENT AND FLANGE INSIDE SURFACES
Waveguide Outside Height0.625 INCHES NOMINAL IN
Flange Inside Height0.628 INCHES NOMINAL ALL FLANGES IN
Flange Outside Width1.875 INCHES NOMINAL ALL FLANGES IN
MaterialRUBBER ALL TUBING JACKET
Waveguide Outside Width1.250 INCHES NOMINAL IN
Flange Outside Height1.875 INCHES NOMINAL ALL FLANGES IN
Cross-Sectional Shape StyleINTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
5985-00-263-0809 INTERCHANGEABLE
Waveguide Assembly
5985-00-270-3136 INTERCHANGEABLE
Waveguide Assembly
5985-00-270-3164 INTERCHANGEABLE
Waveguide Assembly
Cross-Reference Index
Part NumberManufacturer
CG165AU0-6 Joint Electronics Type Designation System (USA)
CG165AU Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
12Z7780-5 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
BN220-0600REV6 Frontgrade Technologies Inc. (USA)
BN220-0600REV6 Litton Systems Inc Airtron Div (USA)
JANW287 Joint Army-Navy Specifications Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5985-00-263-0809INTERCHANGEABLE
WAVEGUIDE ASSEMBLY
5985-00-270-3136INTERCHANGEABLE
WAVEGUIDE ASSEMBLY
5985-00-270-3164INTERCHANGEABLE
WAVEGUIDE ASSEMBLY

Frequently Asked Questions

What is NSN 5985-00-665-1144?

NSN 5985-00-665-1144 is a Waveguide Assembly, manufactured by Joint Electronics Type Designation System, classified under FSC 5985 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5985-00-665-1144?

NSN 5985-00-665-1144 has 6 cross-referenced part numbers: CG165AU0-6 (Joint Electronics Type Designation System), CG165AU (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 12Z7780-5 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), BN220-0600REV6 (Frontgrade Technologies Inc.), BN220-0600REV6 (Litton Systems Inc Airtron Div) and 1 more.

What NSN replaces 5985-00-665-1144?

There are 3 known substitutes for 5985-00-665-1144: 5985-00-263-0809, 5985-00-270-3136, 5985-00-270-3164. Verify interchangeability with system specifications before substitution.

What are the specifications of CG165AU0-6?

Key specifications for CG165AU0-6: Flange Style: COVER TYPE ALL FLANGES; Flange Connecting Hole Diameter: 0.169 INCHES NOMINAL ALL FLANGES SINGLE CONNECTION FACILITY IN; Tubing Wall Construction Style: SEAMLESS SINGLE TUBING SEGMENT; Waveguide Length: 6.000 INCHES NOMINAL IN. 24 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5985-00-665-1144 still in active supply?

NSN 5985-00-665-1144 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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