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575 — PANEL,TELEPHONE SWITCHBOARD

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

575: PANEL,TELEPHONE SWITCHBOARD.

This ultimate shape sorter features 12 chunky, vibrantly colored shapes that make a satisfying "clunk" as they drop into the natural-finish hardwood cube. Then open the lid, take them out and start all over again! A classic educational toy for toddlers.

This part is cataloged in the U.S. Government catalog under NSN 3110-00-100-0642, 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→ 575
NSN: 3110-00-100-0642
NIINs: 001000642, 001034293, 001034294, 001125172, 001448575, 001744513, 001846418, 002680344, 002937687, 003005050, 003177917, 004211407, 005323096, 005842489, 005842490, 005842491, 005842492, 005935098, 006120762, 006473546, 006800642, 006848230, 006893207, 006916529, 008098914, 008786445, 009330430, 010752745, 010832704, 011161060, 011196921, 011905483, 012071867, 012947173, 014174538, 014356794, 015284566, 015449444, 015794496, 017258153
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 63734 — KAITLIN CORP (USA)
SPECIFICATIONS
display_colorRED ALL INDICATORS ALL RANGES
indicator_typeDIGITAL DISPLAY
installation_designPANEL
operating_voltage_rating_in_volts30.0 DC MAXIMUM
part_name_assigned_by_controlling_agencyPANEL VOLTMETER
NSN3110-00-100-0642
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 575 · Melissa & Doug ⚠ VERIFY BEFORE ORDERING Cup and cone sold separately — verify you are ordering BOTH parts or the correct component. Always replace cup and cone together — mismatched wear = premature failure ✓ BROKER TIP Taper angle determines axial load capacity. Steeper angle = higher axial load rating. Timken series numbers indicate dimensions — cross-reference carefully PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
SUBSTITUTES & CROSS-REFERENCES 8
C393Reference document
Same NSN cross-reference
Reference document — Secondary reference
90954Reference document
Same NSN cross-reference
Reference document — Secondary reference
277715Reference document
Same NSN cross-reference
Reference document — Secondary reference
530371Reference document
Same NSN cross-reference
Reference document — Secondary reference
21050Reference document
Same NSN cross-reference
Reference document — Secondary reference
5608TA2Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 575?
575 is a PANEL,TELEPHONE SWITCHBOARD manufactured by Melissa & Doug. It is classified as a MRO (MRO_GENERAL).
What parts can replace 575?
There are 8 known substitutes for 575: C393, 90954, 277715 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 575?
575 is cataloged in the U.S. Government catalog under NSN 3110-00-100-0642. 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.