PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

R18-434Waveguide Assembly

Microwave Engineering Corporation · NSN 5985-01-138-3550 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-01-138-3550 — this item is cataloged by the U.S. Government under National Stock Number 5985-01-138-3550. Primary manufacturer part number: R18-434.
Features
  • Waveguide Assembly — FSC 5985
  • 1 verified cross-reference
  • Primary manufacturer: Microwave Engineering Corporation
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Waveguide Assembly, cataloged under National Stock Number 5985-01-138-3550, 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 Microwave Engineering Corporation. 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.

Catalog Facts
Item NameWaveguide Assembly
FSC / FSG5985 — No Item Name Available (FSG 59)
ManufacturersMicrowave Engineering Corporation (CAGE 06351)
Technical Specifications
ParameterValue
NSN5985-01-138-3550
Primary Part NumberR18-434
Item NameWaveguide Assembly
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerMicrowave Engineering Corporation
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
2520-00-430-948118434 INTERCHANGEABLE
Spacer,bearing,firs
Komatsu America Corporation
Cross-Reference Index
Part NumberManufacturer
R18-434 PRIMARY Microwave Engineering Corporation (USA)
Related Parts
2520-00-430-9481INTERCHANGEABLE
SPACER,BEARING,FIRS
18434

Frequently Asked Questions

What is NSN 5985-01-138-3550?

NSN 5985-01-138-3550 is a Waveguide Assembly, manufactured by Microwave Engineering Corporation, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-01-138-3550?

NSN 5985-01-138-3550 has 1 cross-referenced part number: R18-434 (Microwave Engineering Corporation).

What NSN replaces 5985-01-138-3550?

There is 1 known substitute for 5985-01-138-3550: 2520-00-430-9481. Verify interchangeability with system specifications before substitution.

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