PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

99-1836A00Waveguide Assembly

Axillon Aerospace (baltimore) Inc. · NSN 5985-00-943-8446 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-00-943-8446 — this item is cataloged by the U.S. Government under National Stock Number 5985-00-943-8446. Primary manufacturer part number: 99-1836A00.
Features
  • Waveguide Assembly — FSC 5985
  • Flange Connecting Facility and Quantity: 8 UNTHREADED HOLE(S) ALL FLANGES ALL CONNECTION FACILITIES
  • Waveguide Outside Width: 2.000 INCHES NOMINAL IN
  • Tubing Wall Construction Style: SEAMLESS SINGLE TUBING SEGMENT
  • Flange Style: CHOKE TYPE ALL FLANGES
  • Flange Inside Width: 1.872 INCHES NOMINAL ALL FLANGES IN
  • Flange Outside Diameter: 3.625 INCHES NOMINAL ALL FLANGES IN
  • Voltage Standing Wave Ratio: 1.08
Applications
  • Applications requiring Aluminum All Tubing Segment and Flange construction
General Description

The Waveguide Assembly, cataloged under National Stock Number 5985-00-943-8446, 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 23 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-00-943-8446
Primary Part Number99-1836A00
Item NameWaveguide Assembly
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerAxillon Aerospace (baltimore) Inc.
StatusACTIVE
Flange Connecting Facility and Quantity8 UNTHREADED HOLE(S) ALL FLANGES ALL CONNECTION FACILITIES
Waveguide Outside Width2.000 INCHES NOMINAL IN
Tubing Wall Construction StyleSEAMLESS SINGLE TUBING SEGMENT
Flange StyleCHOKE TYPE ALL FLANGES
Flange Inside Width1.872 INCHES NOMINAL ALL FLANGES IN
Flange Outside Diameter3.625 INCHES NOMINAL ALL FLANGES IN
Voltage Standing Wave Ratio1.08
Flange Connecting Hole Diameter0.219 INCHES NOMINAL ALL FLANGES ALL CONNECTION FACILITIES IN
Flange Depth0.938 INCHES NOMINAL ALL FLANGES IN
Surface TreatmentCHROMATE ALL TUBING SEGMENT AND FLANGE ALL SURFACES
Bend Angle in Deg90.0 ALL BENDS E-PLANE
Waveguide Outside Height1.000 INCHES NOMINAL IN
Waveguide Height6.362 INCHES NOMINAL IN
MaterialALUMINUM ALL TUBING SEGMENT AND FLANGE
Waveguide Inside Width1.872 INCHES NOMINAL IN
Waveguide Inside Height0.872 INCHES NOMINAL IN
Flange Inside Height0.872 INCHES NOMINAL ALL FLANGES IN
Style DesignatorDOUBLE BEND TYPE
Flange Quantity2
Insertion Loss in Decibels0.01
FlexibilityRIGID SINGLE TUBING SEGMENT
Waveguide Center to Center Distance0.439 INCHES NOMINAL IN
Cross-Sectional Shape StyleINTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3110-00-100-36512K5065 INTERCHANGEABLE
Cone and Rollers,tapered Roller
Caterpillar Inc Div Caterpillar Defense
6210-00-161-806930152 INTERCHANGEABLE
Light,indicator
Gte Products Corp Sylvania Miniature Lighting Div
5930-00-322-0115110BP02MM0D7100 INTERCHANGEABLE
Switch,pressure
Johnson Controls Inc Control Products Div
4820-00-803-334630152 INTERCHANGEABLE
Valve,regulating,fluid Pressure
Triumph Thermal Systems - Maryland, Inc.
5905-00-897-707230152 INTERCHANGEABLE
Resistor,variable,wire Wound,non
Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems
3040-01-039-2783L5178 INTERCHANGEABLE
Shaft,straight
Crown Industrial Products Co
5365-01-108-98123015-2 INTERCHANGEABLE
Spacer,ring
Kearflex Engineering Company
4820-01-515-931427CC23M-Y701S4 INTERCHANGEABLE
Valve,safety Relief
Curtiss-Wright Flow Control Corporation Dba Farris Engineering Div Curtiss-Wright Valves Division- Farris
4820-01-515-931730004 INTERCHANGEABLE
Guide,valve Stem
Curtiss-Wright Flow Control Corporation Dba Farris Engineering Div Curtiss-Wright Valves Division- Farris
5360-01-516-4445C3239 INTERCHANGEABLE
Spring,helical,compression
Curtiss-Wright Flow Control Corporation Dba Farris Engineering Div Curtiss-Wright Valves Division- Farris
Cross-Reference Index
Part NumberManufacturer
8769265-1 Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin (USA)
99-1836A00 PRIMARY Axillon Aerospace (baltimore) Inc. (USA)
99-1836A00 Atlantic Microwave Corporation Div Cobham Electronic Systems (USA)
30152 PRIMARY Waveline Inc (USA)
Related Parts
3110-00-100-3651INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
2K5065
6210-00-161-8069INTERCHANGEABLE
LIGHT,INDICATOR
30152
5930-00-322-0115INTERCHANGEABLE
SWITCH,PRESSURE
110BP02MM0D7100
4820-00-803-3346INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
30152
5905-00-897-7072INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
30152
3040-01-039-2783INTERCHANGEABLE
SHAFT,STRAIGHT
L5178
5365-01-108-9812INTERCHANGEABLE
SPACER,RING
3015-2
4820-01-515-9314INTERCHANGEABLE
VALVE,SAFETY RELIEF
27CC23M-Y701S4
4820-01-515-9317INTERCHANGEABLE
GUIDE,VALVE STEM
30004
5360-01-516-4445INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
C3239
7510-01-623-9209INTERCHANGEABLE
LABEL TAPE,PRESSURE SENSITIVE AD
THT-21-428
5325-01-628-1016INTERCHANGEABLE
LOCK SPRING,TURNLOCK FASTENER
30152

Frequently Asked Questions

What is NSN 5985-00-943-8446?

NSN 5985-00-943-8446 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 5985-00-943-8446?

NSN 5985-00-943-8446 has 4 cross-referenced part numbers: 8769265-1 (Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin), 99-1836A00 (Axillon Aerospace (baltimore) Inc.), 99-1836A00 (Atlantic Microwave Corporation Div Cobham Electronic Systems), 30152 (Waveline Inc).

What NSN replaces 5985-00-943-8446?

There are 12 known substitutes for 5985-00-943-8446: 3110-00-100-3651, 6210-00-161-8069, 5930-00-322-0115 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 99-1836A00?

Key specifications for 99-1836A00: Flange Connecting Facility and Quantity: 8 UNTHREADED HOLE(S) ALL FLANGES ALL CONNECTION FACILITIES; Waveguide Outside Width: 2.000 INCHES NOMINAL IN; Tubing Wall Construction Style: SEAMLESS SINGLE TUBING SEGMENT; Flange Style: CHOKE TYPE ALL FLANGES. 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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