PartsTable
Technical Data Sheet
PartsTable / MRO / 339
339 ✓ Verified by PartsTable
Melissa & Doug · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

This 21-piece wooden sound puzzle pronounces the name of each number when its piece is placed correctly! Pieces are slightly raised above the puzzle board for easy grasping. Colorful pictures underneath each piece help teach counting and reinforce the relationship between quantities and numerals. This educational puzzle has lots of ways to learn and play! (TIP: Puzzle has light-activated sensors; for best results, expose the sensor by removing a piece in a brightly lit room, then make the sound play by replacing the piece in the board.) This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6625-00-232-1086, indicating validated use in U.S.

government and defense logistics supply chains.

WHERE IT FITS
MRO→ MRO_GENERAL→ 339
NSN: 6625-00-232-1086
FSC: 6625
CAGE: 65092 — SOLARTRON ELECTRONICS INC WESTON INSTRUMENTS DIV (USA)
SPECIFICATIONS
face_width4.13 INCHES NOMINAL IN
capacity_rating3.55 POUNDS NOMINAL LBS
surface_treatmentANODIZE OVERALL
charge_design_typeSTANDARD
control_device_typeSQUEEZE-GRIP
part_name_assigned_by_controlling_agencyEXTINGUISHERS
NSN6625-00-232-1086
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: Melissa & Doug POLARIZING KEY,ELECTRICAL CONNEC TITLE COMPONENT PN 339 MFR Melissa & Doug POLARIZING KEY,ELECTRI
KEY FEATURES
•
ACCURACY IN PERCENT: -0.4 TO 0.4 AT 1/2 SCALE SINGLE INDICATOR SECOND RANGE
•
MOVEMENT TYPE: MOVING IRON VANE
•
MOVEMENT SUSPENSION METHOD: JEWEL PIVOT BASE
•
FEATURES PROVIDED: MAGNETIC SHIELD
•
SCALE SELECTION METHOD: TERMINAL
•
MEASUREMENT RANGE: +300.0 TO 500.0 HERTZ SINGLE INDICATOR SINGLE RANGE
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL LENGTH8.125 INCHES NOMINAL IN
ACCURACY IN PERCENT-0.4 TO 0.4 AT 1/2 SCALE SINGLE INDICATOR SECOND RANGE
MOVEMENT TYPEMOVING IRON VANE
MOVEMENT SUSPENSION METHODJEWEL PIVOT BASE
FEATURES PROVIDEDMAGNETIC SHIELD
SCALE SELECTION METHODTERMINAL
OVERALL HEIGHT10.375 INCHES NOMINAL IN
MEASUREMENT RANGE+300.0 TO 500.0 HERTZ SINGLE INDICATOR SINGLE RANGE
CIRCUIT ATTACHMENT METHOD AND QUANTITY4 BINDING POST
OVERALL WIDTH8.500 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
10436Upgraded Successor
successor cross-reference
successor
417132Upgraded Successor
successor cross-reference
successor
91-1280Upgraded Successor
successor cross-reference
successor
149135Interchangeable
interchangeable cross-reference
interchangeable
8905 HInterchangeable
interchangeable cross-reference
interchangeable
50-76-3Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 339?
339 is a POLARIZING KEY,ELECTRICAL CONNEC manufactured by Melissa & Doug. It is classified as a MRO (MRO_GENERAL).
What parts can replace 339?
There are 19 known substitutes for 339: 10436, 417132, 91-1280 and 16 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 339?
339 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6625-00-232-1086. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026