PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

520-00Cavity Oscillator,preliminary

Microwave Engineering Corporation · NSN 6940-00-883-5718 · FSC 6940 · No Item Name Available
Verified by PartsTable
NSN 6940-00-883-5718 — this item is cataloged by the U.S. Government under National Stock Number 6940-00-883-5718. Primary manufacturer part number: 520-00.
Features
  • Cavity Oscillator,preliminary — FSC 6940
  • FSC Application Data: TRAINING SET RADAR
  • General Characteristics Item Description: 22.500 IN. LG,4.000 IN. DIA,8.000 IN. W O/A IN
  • 2 verified cross-references
  • Primary manufacturer: Microwave Engineering Corporation
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Cavity Oscillator,preliminary, cataloged under National Stock Number 6940-00-883-5718, is classified within Federal Supply Class 6940 (No Item Name Available) of the Training Aids and Devices group. The primary manufacturer of record is Microwave Engineering Corporation. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 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
NSN6940-00-883-5718
Primary Part Number520-00
Item NameCavity Oscillator,preliminary
FSC / FSG6940 / 69 — No Item Name Available
ManufacturerMicrowave Engineering Corporation
StatusACTIVE
FSC Application DataTRAINING SET RADAR
General Characteristics Item Description22.500 IN. LG,4.000 IN. DIA,8.000 IN. W O/A IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5355-00-348-2859 INTERCHANGEABLE
Knob
5950-00-445-6550 INTERCHANGEABLE
Reactor
3405-00-528-8696G1000SS INTERCHANGEABLE
Saw Setting Machine
Foley-Belsaw Company
6635-00-870-4614212000 INTERCHANGEABLE
Proving Ring
Morehouse Instrument Company Dba Morehouse Instrument Co Inc
7045-01-390-076690612, SOFTWORKS TRAY W/LOCK 50 INTERCHANGEABLE
File,disk,flexible
Fellowes Mfg Co Powershred Div
6625-01-415-172552000 INTERCHANGEABLE
Control,indicator
Giga-Tronics Incorporated Dba Giga-Tronics
5998-01-669-6513 INTERCHANGEABLE
Circuit Card Assembly
4210-01-713-818452000 INTERCHANGEABLE
Extinguisher,fire
Buckeye Fire Equipment Co
Cross-Reference Index
Part NumberManufacturer
520-00 PRIMARY Microwave Engineering Corporation (USA)
520-00 Sierra Networks Inc Sierracom Div (USA)
Related Parts
5355-00-348-2859INTERCHANGEABLE
KNOB
5950-00-445-6550INTERCHANGEABLE
REACTOR
3405-00-528-8696INTERCHANGEABLE
SAW SETTING MACHINE
G1000SS
6635-00-870-4614INTERCHANGEABLE
PROVING RING
212000
7045-01-390-0766INTERCHANGEABLE
FILE,DISK,FLEXIBLE
90612, SOFTWORKS TRAY W/LOCK 50
6625-01-415-1725INTERCHANGEABLE
CONTROL,INDICATOR
52000
5998-01-669-6513INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
4210-01-713-8184INTERCHANGEABLE
EXTINGUISHER,FIRE
52000

Frequently Asked Questions

What is NSN 6940-00-883-5718?

NSN 6940-00-883-5718 is a Cavity Oscillator,preliminary, manufactured by Microwave Engineering Corporation, classified under FSC 6940 (No Item Name Available). Status: active.

What are the part numbers for NSN 6940-00-883-5718?

NSN 6940-00-883-5718 has 2 cross-referenced part numbers: 520-00 (Microwave Engineering Corporation), 520-00 (Sierra Networks Inc Sierracom Div).

What NSN replaces 6940-00-883-5718?

There are 8 known substitutes for 6940-00-883-5718: 5355-00-348-2859, 5950-00-445-6550, 3405-00-528-8696 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 520-00?

Key specifications for 520-00: FSC Application Data: TRAINING SET RADAR; General Characteristics Item Description: 22.500 IN. LG,4.000 IN. DIA,8.000 IN. W O/A IN. 2 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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