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Technical Data Sheet
544 ✓ 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

Thirty wooden beads in six vibrant colors and five distinct shapes combine with two extra-long laces for many activities. Stringing the easily grasped beads promotes hand-eye coordination, fine motor, cognitive and visual perception skills. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6625-00-257-1582, 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 544
NSN: 6625-00-257-1582
FSC: 6625
CAGE: 77221 — PHAOSTRON INSTRUMENT AND ELECTRONIC COMPANY (USA)
SPECIFICATIONS
inside_diameter2.500 INCHES MINIMUM AND 7.500 INCHES MAXIMUM IN
special_featuresMOUNTS WITH 3 NUMBER 10 SCREWS, CLAMP SUPPORTS 50LBS, LBS
part_name_assigned_by_controlling_agencySUPER QUICK FIST
NSN6625-00-257-1582
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: Melissa & Doug FILTER,RADIO FREQUENCY INTERFERE TITLE COMPONENT PN 544 MFR Melissa & Doug FILTER,RADIO FREQUENCY
KEY FEATURES
STYLE DESIGNATOR: RECTANGULAR FLUSH MTG
CIRCUIT CURRENT FOR WHICH DESIGNED: AC
FSC APPLICATION DATA: TEST SET,ELECT. EQUIP.
COLOR: UNABLE TO DECODE
RELIABILITY INDICATOR: NOT ESTABLISHED
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH: 4.000 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORRECTANGULAR FLUSH MTG
CIRCUIT CURRENT FOR WHICH DESIGNEDAC
OVERALL LENGTH2.016 INCHES NOMINAL IN
OVERALL WIDTH5.620 INCHES NOMINAL IN
FSC APPLICATION DATATEST SET,ELECT. EQUIP.
COLORUNABLE TO DECODE
RELIABILITY INDICATORNOT ESTABLISHED
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH4.000 INCHES NOMINAL IN
METER DEPTH BEHIND MOUNTING FLANGE0.960 INCHES NOMINAL IN
MOUNTING STUD DIAMETER0.138 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
405-4271Interchangeable
interchangeable cross-reference
interchangeable
544Interchangeable
interchangeable cross-reference
interchangeable
396613Interchangeable
interchangeable cross-reference
interchangeable
3999323Interchangeable
interchangeable cross-reference
interchangeable
3700158Interchangeable
interchangeable cross-reference
interchangeable
1104125-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 544?
544 is a FILTER,RADIO FREQUENCY INTERFERE manufactured by Melissa & Doug. It is classified as a MRO (MRO_GENERAL).
What parts can replace 544?
There are 6 known substitutes for 544: 405-4271, 544, 396613 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 544?
544 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6625-00-257-1582. This indicates validated use in U.S. government and defense supply chains.
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