PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

111835Waveguide Assembly

Frontgrade Technologies Inc. · NSN 5985-00-829-9797 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-00-829-9797 — this item is cataloged by the U.S. Government under National Stock Number 5985-00-829-9797. Primary manufacturer part number: 111835.
Features
  • Waveguide Assembly — FSC 5985
  • 4 verified cross-references
  • Primary manufacturer: Frontgrade Technologies Inc.
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Waveguide Assembly, cataloged under National Stock Number 5985-00-829-9797, 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 Frontgrade Technologies Inc.. This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameWaveguide Assembly
FSC / FSG5985 — No Item Name Available (FSG 59)
ManufacturersLitton Systems Inc Airtron Div (CAGE 80006); Northrop Grumman Systems Corporation (CAGE 79RG9); Northrop Grumman Systems Corporation (CAGE 26512); Frontgrade Technologies Inc. (CAGE 66544)
Technical Specifications
ParameterValue
NSN5985-00-829-9797
Primary Part Number111835
Item NameWaveguide Assembly
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerFrontgrade Technologies Inc.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5930-00-771-380111A79-2 INTERCHANGEABLE
Switch,thermostatic
Emerson Electric Co White Rodgers Co Div
Cross-Reference Index
Part NumberManufacturer
111835 Litton Systems Inc Airtron Div (USA)
128SCAV319-3 Northrop Grumman Systems Corporation (USA)
128SCAV319-3 Northrop Grumman Systems Corporation (USA)
111835 PRIMARY Frontgrade Technologies Inc. (USA)
Related Parts
5930-00-771-3801INTERCHANGEABLE
SWITCH,THERMOSTATIC
11A79-2

Frequently Asked Questions

What is NSN 5985-00-829-9797?

NSN 5985-00-829-9797 is a Waveguide Assembly, manufactured by Frontgrade Technologies Inc., classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-00-829-9797?

NSN 5985-00-829-9797 has 4 cross-referenced part numbers: 111835 (Litton Systems Inc Airtron Div), 128SCAV319-3 (Northrop Grumman Systems Corporation), 128SCAV319-3 (Northrop Grumman Systems Corporation), 111835 (Frontgrade Technologies Inc.).

What NSN replaces 5985-00-829-9797?

There is 1 known substitute for 5985-00-829-9797: 5930-00-771-3801. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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