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3771 — TRANSFORMER,AUDIO FREQUENCY

✓ Government record, cited
Melissa & Doug · MRO · MRO_GENERAL
PRODUCT OVERVIEW

3771: TRANSFORMER,AUDIO FREQUENCY.

Six puzzles in one! There are 16 solid wooden cubes in this unique puzzle. One part of a colorful pet is pictured on each side.

Rotate the cubes on the wooden tray to complete the six different animal pals! This part is cataloged in the U.S. Government catalog under NSN 5950-00-064-3248, indicating validated use in U.S.

government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
MRO→ MRO_GENERAL→ 3771
NSN: 5950-00-064-3248
NIINs: 000643248, 002699466, 003526277, 009761173, 010634425, 012038656, 012404771, 014764016
FSC: 5950 — Coils and Transformers
CAGE: 11537 — SARTRON, INC (USA)
SPECIFICATIONS
size_designationSMALL
special_featuresMANUFACTURER NAME - VALUE WALKER; FITS SIZES 4.0 TO 7.5
NSN5950-00-064-3248
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: Melissa & Doug TRANSFORMER,AUDIO FREQUENCY TITLE COMPONENT PN 3771 MFR Melissa & Doug TRANSFORMER,AUDIO FREQ
KEY FEATURES
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INCLOSURE TYPE: FULLY INCLOSED
•
MOUNTING METHOD: TERMINAL SINGLE GROUP
•
BODY WIDTH: 0.780 INCHES MAXIMUM IN
•
BODY HEIGHT: 0.655 INCHES MAXIMUM IN
•
WINDING FUNCTION AND QUANTITY: 2 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
•
WINDING SHIELDING METHOD: INTERNAL SHIELD BROUGHT OUT TO TERMINAL SINGLE COMPONENT
•
MAXIMUM OPERATING TEMP: 85.0 CELSIUS DEGC
•
BODY LENGTH: 0.875 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
INCLOSURE TYPEFULLY INCLOSED
MOUNTING METHODTERMINAL SINGLE GROUP
BODY WIDTH0.780 INCHES MAXIMUM IN
BODY HEIGHT0.655 INCHES MAXIMUM IN
WINDING FUNCTION AND QUANTITY2 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
WINDING SHIELDING METHODINTERNAL SHIELD BROUGHT OUT TO TERMINAL SINGLE COMPONENT
MAXIMUM OPERATING TEMP85.0 CELSIUS DEGC
BODY LENGTH0.875 INCHES MAXIMUM IN
RELIABILITY INDICATORNOT ESTABLISHED
FREQUENCY RATING400.0 HERTZ NOMINAL SINGLE COMPONENT
SUBSTITUTES & CROSS-REFERENCES 2
10829Reference document
Same NSN cross-reference
Reference document — Secondary reference
M5843Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3771?
3771 is a TRANSFORMER,AUDIO FREQUENCY manufactured by Melissa & Doug. It is classified as a MRO (MRO_GENERAL).
What parts can replace 3771?
There are 2 known substitutes for 3771: 10829, M5843. Substitute compatibility should be verified for your specific system.
What is the NSN for 3771?
3771 is cataloged in the U.S. Government catalog under NSN 5950-00-064-3248. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.