PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

YMD-6820Counter,electronic,digital Reado

Appleton Marine Inc · NSN 6625-01-423-8207 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-01-423-8207 — this item is cataloged by the U.S. Government under National Stock Number 6625-01-423-8207. Primary manufacturer part number: YMD-6820.
Features
  • Counter,electronic,digital Reado — FSC 6625
  • 2 verified cross-references
  • Primary manufacturer: Appleton Marine Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Counter,electronic,digital Reado, cataloged under National Stock Number 6625-01-423-8207, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Appleton Marine Inc. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Catalog Facts
Item NameCounter,electronic,digital Reado
FSC / FSG6625 — No Item Name Available (FSG 66)
ManufacturersAppleton Marine Inc (CAGE 70433); Leback Co the (CAGE 0V8W5)
Successor NSN6625-00-228-1667 — Meter,null
Technical Specifications
ParameterValue
NSN6625-01-423-8207
Primary Part NumberYMD-6820
Item NameCounter,electronic,digital Reado
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerAppleton Marine Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeJF
Verified Substitutes 12
6625-00-228-16676542 SUCCESSOR
Meter,null
Electro Scientific Industries Inc
5950-00-243-3040SM-B-61155 INTERCHANGEABLE
Transformer,radio Frequency
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5960-00-553-7091 INTERCHANGEABLE
Electron Tube
5960-00-754-9916 INTERCHANGEABLE
Electron Tube
3030-00-919-9312GY13655 INTERCHANGEABLE
Belts,v,matched Set
Navistar Intl Corp Truck Br Ohio Plant
5960-00-943-9411290MS067P002 INTERCHANGEABLE
Electron Tube
Raytheon Company Dba Raytheon Co
5940-00-983-6101 INTERCHANGEABLE
Terminal Board
5120-01-034-68846542 INTERCHANGEABLE
Scriber,machinist's
Central Tools, Inc.
5980-01-071-1141 INTERCHANGEABLE
Light Emitting Diode
5935-01-246-31981883356-1 INTERCHANGEABLE
Adapter,connector
Te Connectivity Corporation
Cross-Reference Index
Part NumberManufacturer
YMD-6820 PRIMARY Appleton Marine Inc (USA)
6542 Leback Co the (USA)
Related Parts
6625-00-228-1667SUCCESSOR
METER,NULL
6542
5950-00-243-3040INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
SM-B-61155
5960-00-553-7091INTERCHANGEABLE
ELECTRON TUBE
5960-00-754-9916INTERCHANGEABLE
ELECTRON TUBE
3030-00-919-9312INTERCHANGEABLE
BELTS,V,MATCHED SET
GY13655
5960-00-943-9411INTERCHANGEABLE
ELECTRON TUBE
290MS067P002
5940-00-983-6101INTERCHANGEABLE
TERMINAL BOARD
5120-01-034-6884INTERCHANGEABLE
SCRIBER,MACHINIST'S
6542
5980-01-071-1141INTERCHANGEABLE
LIGHT EMITTING DIODE
5935-01-246-3198INTERCHANGEABLE
ADAPTER,CONNECTOR
1883356-1
5950-01-271-8212INTERCHANGEABLE
TRANSFORMER,POWER
5935-01-295-6347INTERCHANGEABLE
ADAPTER,CONNECTOR

Frequently Asked Questions

What is NSN 6625-01-423-8207?

NSN 6625-01-423-8207 is a Counter,electronic,digital Reado, manufactured by Appleton Marine Inc, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-01-423-8207?

NSN 6625-01-423-8207 has 2 cross-referenced part numbers: YMD-6820 (Appleton Marine Inc), 6542 (Leback Co the).

What NSN replaces 6625-01-423-8207?

There are 12 known substitutes for 6625-01-423-8207: 6625-00-228-1667, 5950-00-243-3040, 5960-00-553-7091 and 9 more. Verify interchangeability with system specifications before substitution.

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