PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1770246Waveguide Assembly

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 5985-00-927-9835 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-00-927-9835 — this item is cataloged by the U.S. Government under National Stock Number 5985-00-927-9835. Primary manufacturer part number: 1770246.
Features
  • Waveguide Assembly — FSC 5985
  • Waveguide Inside Height: 0.400 INCHES NOMINAL IN
  • Flexibility: RIGID SINGLE TUBING SEGMENT
  • Waveguide Center to Center Distance: 2.500 INCHES NOMINAL IN
  • Material: ALUMINUM SINGLE TUBING SEGMENT
  • Bend Angle in Deg: 90.0 ALL BENDS E-PLANE
  • Flange Inside Height: 0.402 INCHES NOMINAL ALL FLANGES IN
  • Flange Inside Width: 0.903 INCHES NOMINAL ALL FLANGES IN
Applications
  • Applications requiring Aluminum Single Tubing Segment construction
General Description

The Waveguide Assembly, cataloged under National Stock Number 5985-00-927-9835, 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 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 23 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-00-927-9835
Primary Part Number1770246
Item NameWaveguide Assembly
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
Waveguide Inside Height0.400 INCHES NOMINAL IN
FlexibilityRIGID SINGLE TUBING SEGMENT
Waveguide Center to Center Distance2.500 INCHES NOMINAL IN
MaterialALUMINUM SINGLE TUBING SEGMENT
Bend Angle in Deg90.0 ALL BENDS E-PLANE
Flange Inside Height0.402 INCHES NOMINAL ALL FLANGES IN
Flange Inside Width0.903 INCHES NOMINAL ALL FLANGES IN
Surface TreatmentENAMEL SINGLE TUBING SEGMENT OUTSIDE SURFACES
Flange StyleCHOKE TYPE ALL FLANGES
Waveguide Outside Width1.100 INCHES NOMINAL IN
Surface TreatmentANODIZE SINGLE TUBING SEGMENT INSIDE SURFACES
Style DesignatorDOUBLE BEND TYPE
FSC Application DataRADAR FIRE CONTROL NONAIRBORNE
Tubing Wall Construction StyleSEAMLESS SINGLE TUBING SEGMENT
Waveguide Height5.053 INCHES NOMINAL IN
Flange Connecting Hole Diameter0.171 INCHES NOMINAL ALL FLANGES SINGLE CONNECTION FACILITY IN
Flange Quantity2
Flange Connecting Facility and Quantity4 UNTHREADED HOLE(S) ALL FLANGES SINGLE CONNECTION FACILITY
Flange Outside Height1.625 INCHES NOMINAL ALL FLANGES IN
Flange Outside Width1.625 INCHES NOMINAL ALL FLANGES IN
Waveguide Inside Width0.900 INCHES NOMINAL IN
Cross-Sectional Shape StyleINTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR
Waveguide Outside Height0.600 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
6750-01-418-7977 INTERCHANGEABLE
Film,photographic
Cross-Reference Index
Part NumberManufacturer
1770246 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
Related Parts
6750-01-418-7977INTERCHANGEABLE
FILM,PHOTOGRAPHIC

Frequently Asked Questions

What is NSN 5985-00-927-9835?

NSN 5985-00-927-9835 is a Waveguide Assembly, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-00-927-9835?

NSN 5985-00-927-9835 has 1 cross-referenced part number: 1770246 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).

What NSN replaces 5985-00-927-9835?

There is 1 known substitute for 5985-00-927-9835: 6750-01-418-7977. Verify interchangeability with system specifications before substitution.

What are the specifications of 1770246?

Key specifications for 1770246: Waveguide Inside Height: 0.400 INCHES NOMINAL IN; Flexibility: RIGID SINGLE TUBING SEGMENT; Waveguide Center to Center Distance: 2.500 INCHES NOMINAL IN; Material: ALUMINUM SINGLE TUBING SEGMENT. 23 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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