PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

YMD-6821Counter,electronic,digital Reado

Appleton Marine Inc · NSN 6625-01-433-0346 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-01-433-0346 — this item is cataloged by the U.S. Government under National Stock Number 6625-01-433-0346. Primary manufacturer part number: YMD-6821.
Features
  • Counter,electronic,digital Reado — FSC 6625
  • Solid State Feature: INCLUDED
  • Internal Calibration Feature: INCLUDED
  • Display Storage Facility: NOT INCLUDED
  • Display Units Indicator: INCLUDED
  • Remote Control Provisions: NOT INCLUDED
  • Solid State Feature: INCLUDED
  • Internal Calibration Feature: INCLUDED
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 6625-01-433-0346, 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. Government technical data includes 10 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-01-433-0346
Primary Part NumberYMD-6821
Item NameCounter,electronic,digital Reado
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerAppleton Marine Inc
StatusACTIVE
Solid State FeatureINCLUDED
Internal Calibration FeatureINCLUDED
Display Storage FacilityNOT INCLUDED
Display Units IndicatorINCLUDED
Remote Control ProvisionsNOT INCLUDED
Solid State FeatureINCLUDED
Internal Calibration FeatureINCLUDED
Display Storage FacilityNOT INCLUDED
Display Units IndicatorINCLUDED
Remote Control ProvisionsNOT INCLUDED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeJF
Verified Substitutes 12
5305-00-010-0759100759 INTERCHANGEABLE
Screw,machine
Chrysler Realty Company Llc Dba Daimler Chrysler
5935-00-067-5516ST5M1359 INTERCHANGEABLE
Adapter,connector
The Boeing Company Div Defense
5340-00-236-2494 INTERCHANGEABLE
Strap,retaining
3030-00-528-4261 INTERCHANGEABLE
Belt,v
5355-00-614-0400MS91531-3N2B INTERCHANGEABLE
Knob
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
4820-01-038-80706539 INTERCHANGEABLE
Disk,valve
Lawler Manufacturing Company, Inc.
5930-01-083-90586539 INTERCHANGEABLE
Switch,limit
Auto Crane Company
5310-01-251-9178340P INTERCHANGEABLE
Nut,slide Tube
O F Mossberg & Sons Inc
5962-01-289-525051065-0039 INTERCHANGEABLE
Microcircuit,digital
Honeywell International Inc Dba Honeywell
5136-01-431-16216539 INTERCHANGEABLE
Die,thread Cutting
Stanley Tools Div of Stanley Works
Cross-Reference Index
Part NumberManufacturer
6539 Leback Co the (USA)
YMD-6821 PRIMARY Appleton Marine Inc (USA)
Related Parts
5305-00-010-0759INTERCHANGEABLE
SCREW,MACHINE
100759
5935-00-067-5516INTERCHANGEABLE
ADAPTER,CONNECTOR
ST5M1359
5340-00-236-2494INTERCHANGEABLE
STRAP,RETAINING
3030-00-528-4261INTERCHANGEABLE
BELT,V
5355-00-614-0400INTERCHANGEABLE
KNOB
MS91531-3N2B
4820-01-038-8070INTERCHANGEABLE
DISK,VALVE
6539
5930-01-083-9058INTERCHANGEABLE
SWITCH,LIMIT
6539
5310-01-251-9178INTERCHANGEABLE
NUT,SLIDE TUBE
340P
5962-01-289-5250INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
51065-0039
5136-01-431-1621INTERCHANGEABLE
DIE,THREAD CUTTING
6539
6515-01-561-6226INTERCHANGEABLE
CABLE,MOTOR,SURGICAL DRILL
EA200
5180-01-661-7426INTERCHANGEABLE
TOOL KIT,VEHICLE,TACTICAL
6539

Frequently Asked Questions

What is NSN 6625-01-433-0346?

NSN 6625-01-433-0346 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 6625-01-433-0346?

NSN 6625-01-433-0346 has 2 cross-referenced part numbers: 6539 (Leback Co the), YMD-6821 (Appleton Marine Inc).

What NSN replaces 6625-01-433-0346?

There are 12 known substitutes for 6625-01-433-0346: 5305-00-010-0759, 5935-00-067-5516, 5340-00-236-2494 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of YMD-6821?

Key specifications for YMD-6821: Solid State Feature: INCLUDED; Internal Calibration Feature: INCLUDED; Display Storage Facility: NOT INCLUDED; Display Units Indicator: INCLUDED. 10 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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