PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

54542Waveguide Assembly

L3harris Technologies, Inc Div Space & Airborne Systems · NSN 5985-00-296-1429 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-00-296-1429 — this item is cataloged by the U.S. Government under National Stock Number 5985-00-296-1429. Primary manufacturer part number: 54542.
Features
  • Waveguide Assembly — FSC 5985
  • Flange Quantity: 2
  • Waveguide Outside Height: 0.503 INCHES NOMINAL IN
  • Waveguide Longer Leg Length: 1.500 INCHES NOMINAL IN
  • Waveguide Inside Width: 0.903 INCHES NOMINAL IN
  • Waveguide Offset Distance: 0.687 INCHES NOMINAL IN
  • Waveguide Outside Width: 1.003 INCHES NOMINAL IN
  • Waveguide Leg Length: 0.562 INCHES NOMINAL IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Waveguide Assembly, cataloged under National Stock Number 5985-00-296-1429, 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 L3harris Technologies, Inc Div Space & Airborne Systems. Government technical data includes 11 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-00-296-1429
Primary Part Number54542
Item NameWaveguide Assembly
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerL3harris Technologies, Inc Div Space & Airborne Systems
StatusACTIVE
Flange Quantity2
Waveguide Outside Height0.503 INCHES NOMINAL IN
Waveguide Longer Leg Length1.500 INCHES NOMINAL IN
Waveguide Inside Width0.903 INCHES NOMINAL IN
Waveguide Offset Distance0.687 INCHES NOMINAL IN
Waveguide Outside Width1.003 INCHES NOMINAL IN
Waveguide Leg Length0.562 INCHES NOMINAL IN
Flange Connecting Facility and Quantity4 UNTHREADED HOLE(S) FIRST FLANGE SINGLE CONNECTION FACILITY
Waveguide Inside Height0.403 INCHES NOMINAL IN
Flange Connecting Facility and Quantity4 THREADED HOLE(S) SECOND FLANGE SINGLE CONNECTION FACILITY
Waveguide Longer Offset Distance1.750 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
8340-00-285-8432 INTERCHANGEABLE
Cover,tent
5962-01-084-6864 INTERCHANGEABLE
Microcircuit,digital
4820-01-497-0552111X-2-005 INTERCHANGEABLE
Valve,safety Relief
F.c.kingston Co. Dba Storm Manufacturing
4820-01-497-0696 INTERCHANGEABLE
Valve,ball
5365-01-543-142254542 INTERCHANGEABLE
Bushing,machine Thread
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
Cross-Reference Index
Part NumberManufacturer
54542 PRIMARY L3harris Technologies, Inc Div Space & Airborne Systems (USA)
Related Parts
8340-00-285-8432INTERCHANGEABLE
COVER,TENT
5962-01-084-6864INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
4820-01-497-0552INTERCHANGEABLE
VALVE,SAFETY RELIEF
111X-2-005
4820-01-497-0696INTERCHANGEABLE
VALVE,BALL
5365-01-543-1422INTERCHANGEABLE
BUSHING,MACHINE THREAD
54542

Frequently Asked Questions

What is NSN 5985-00-296-1429?

NSN 5985-00-296-1429 is a Waveguide Assembly, manufactured by L3harris Technologies, Inc Div Space & Airborne Systems, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-00-296-1429?

NSN 5985-00-296-1429 has 1 cross-referenced part number: 54542 (L3harris Technologies, Inc Div Space & Airborne Systems).

What NSN replaces 5985-00-296-1429?

There are 5 known substitutes for 5985-00-296-1429: 8340-00-285-8432, 5962-01-084-6864, 4820-01-497-0552 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 54542?

Key specifications for 54542: Flange Quantity: 2; Waveguide Outside Height: 0.503 INCHES NOMINAL IN; Waveguide Longer Leg Length: 1.500 INCHES NOMINAL IN; Waveguide Inside Width: 0.903 INCHES NOMINAL IN. 11 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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