PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

99-1835A00Waveguide Assembly

Axillon Aerospace (baltimore) Inc. · NSN 5985-00-943-8445 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-00-943-8445 — this item is cataloged by the U.S. Government under National Stock Number 5985-00-943-8445. Primary manufacturer part number: 99-1835A00.
Features
  • Waveguide Assembly — FSC 5985
  • Bend Angle in Deg: 90.0 FIRST BEND E-PLANE
  • Material: ALUMINUM ALL TUBING SEGMENT AND FLANGE
  • Flange Connecting Hole Diameter: 0.199 INCHES NOMINAL ALL FLANGES ALL CONNECTION FACILITIES IN
  • Flange Inside Width: 2.002 INCHES NOMINAL ALL FLANGES IN
  • Voltage Standing Wave Ratio: 1.08
  • Flange Depth: 0.375 INCHES NOMINAL ALL FLANGES IN
  • Flange Inside Height: 1.002 INCHES NOMINAL ALL FLANGES IN
Applications
  • Applications requiring Aluminum All Tubing Segment and Flange construction
General Description

The Waveguide Assembly, cataloged under National Stock Number 5985-00-943-8445, 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 Axillon Aerospace (baltimore) Inc.. 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-00-943-8445
Primary Part Number99-1835A00
Item NameWaveguide Assembly
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerAxillon Aerospace (baltimore) Inc.
StatusACTIVE
Bend Angle in Deg90.0 FIRST BEND E-PLANE
MaterialALUMINUM ALL TUBING SEGMENT AND FLANGE
Flange Connecting Hole Diameter0.199 INCHES NOMINAL ALL FLANGES ALL CONNECTION FACILITIES IN
Flange Inside Width2.002 INCHES NOMINAL ALL FLANGES IN
Voltage Standing Wave Ratio1.08
Flange Depth0.375 INCHES NOMINAL ALL FLANGES IN
Flange Inside Height1.002 INCHES NOMINAL ALL FLANGES IN
Waveguide Outside Height1.000 INCHES NOMINAL IN
Waveguide Inside Width1.872 INCHES NOMINAL IN
Flange Quantity2
Insertion Loss in Decibels0.01
FlexibilityRIGID SINGLE TUBING SEGMENT
Waveguide Offset Distance4.000 INCHES NOMINAL IN
Flange Connecting Facility and Quantity8 UNTHREADED HOLE(S) ALL FLANGES ALL CONNECTION FACILITIES
Tubing Wall Construction StyleSEAMLESS SINGLE TUBING SEGMENT
Bend Angle in Deg90.0 SECOND BEND H-PLANE
Surface TreatmentCHROMATE ALL TUBING SEGMENT AND FLANGE ALL SURFACES
Waveguide Longer Offset Distance4.560 INCHES NOMINAL IN
Flange StyleCOVER TYPE ALL FLANGES
Flange Outside Diameter3.625 INCHES NOMINAL ALL FLANGES IN
Waveguide Inside Height0.872 INCHES NOMINAL IN
Waveguide Outside Width2.000 INCHES NOMINAL IN
Cross-Sectional Shape StyleINTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR
Style DesignatorCORNER TYPE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
3110-00-100-061213838M11 INTERCHANGEABLE
Cup,tapered Roller Bearing
Taylor Machine Works Inc
5310-00-264-0150 INTERCHANGEABLE
Washer,lock
4310-00-270-3331 INTERCHANGEABLE
Pin,piston
3040-01-026-8315K2226 INTERCHANGEABLE
Shaft,straight
Crown Industrial Products Co
5999-01-162-565430153 INTERCHANGEABLE
Contact,electrical
Osram Sylvania Inc
4820-01-507-063627CC13M-U70/S4 INTERCHANGEABLE
Valve,safety Relief
Curtiss-Wright Flow Control Corporation Dba Farris Engineering Div Curtiss-Wright Valves Division- Farris
4820-01-507-078430072-010NM INTERCHANGEABLE
Retainer,disk,valve
Curtiss-Wright Flow Control Corporation Dba Curtiss-Wright Flow Control Co Div Target Rock Division
2510-01-628-097330153 INTERCHANGEABLE
Lock Set,vehicular Door
Dakota Bodies, Llc Dba Dakota Bodies Inc
Cross-Reference Index
Part NumberManufacturer
99-1835A00 Atlantic Microwave Corporation Div Cobham Electronic Systems (USA)
99-1835A00 PRIMARY Axillon Aerospace (baltimore) Inc. (USA)
8769266-1 3dbm Co Inc Waveguide Group (USA)
8769266-1 Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin (USA)
8769266-1 Astro Microwave Inc (USA)
30153 Waveline Inc (USA)
Related Parts
3110-00-100-0612INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
13838M11
5310-00-264-0150INTERCHANGEABLE
WASHER,LOCK
4310-00-270-3331INTERCHANGEABLE
PIN,PISTON
3040-01-026-8315INTERCHANGEABLE
SHAFT,STRAIGHT
K2226
5999-01-162-5654INTERCHANGEABLE
CONTACT,ELECTRICAL
30153
4820-01-507-0636INTERCHANGEABLE
VALVE,SAFETY RELIEF
27CC13M-U70/S4
4820-01-507-0784INTERCHANGEABLE
RETAINER,DISK,VALVE
30072-010NM
2510-01-628-0973INTERCHANGEABLE
LOCK SET,VEHICULAR DOOR
30153

Frequently Asked Questions

What is NSN 5985-00-943-8445?

NSN 5985-00-943-8445 is a Waveguide Assembly, manufactured by Axillon Aerospace (baltimore) Inc., classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-00-943-8445?

NSN 5985-00-943-8445 has 6 cross-referenced part numbers: 99-1835A00 (Atlantic Microwave Corporation Div Cobham Electronic Systems), 99-1835A00 (Axillon Aerospace (baltimore) Inc.), 8769266-1 (3dbm Co Inc Waveguide Group), 8769266-1 (Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin), 8769266-1 (Astro Microwave Inc) and 1 more.

What NSN replaces 5985-00-943-8445?

There are 8 known substitutes for 5985-00-943-8445: 3110-00-100-0612, 5310-00-264-0150, 4310-00-270-3331 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 99-1835A00?

Key specifications for 99-1835A00: Bend Angle in Deg: 90.0 FIRST BEND E-PLANE; Material: ALUMINUM ALL TUBING SEGMENT AND FLANGE; Flange Connecting Hole Diameter: 0.199 INCHES NOMINAL ALL FLANGES ALL CONNECTION FACILITIES IN; Flange Inside Width: 2.002 INCHES NOMINAL ALL FLANGES 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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