PartsTable
Technical Data Sheet
4577 ✓ Verified by PartsTable
Melissa & Doug · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Stranded for flexible routing, solid for conduit THHN/THWN dual-rated — check both tables
Ampacity depends on installation method
PRODUCT OVERVIEW

Hitch the trailer, load the excavator and roll out! As this tall yellow truck heads to the building site, the tough excavator stays in place on the grooved flatbed. Then the ramp comes down, the excavator rolls off . .

. it's time to dig! This durable construction vehicle set has everything kids need for hours of exciting pretend play and vehicle fun. Melissa & Doug Classic Toys bring timeless play to modern families! Each toy is designed to fuel an endless world of imaginative play, while encouraging the kind of play-based exploration that naturally promotes key developmental skills.

The sturdy wooden play pieces are tested to today's highest standards of quality and safety. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6145-00-472-9413, indicating validated use in U.S. government and defense logistics supply chains.

WHERE IT FITS
MRO MRO_GENERAL 4577
NSN: 6145-00-472-9413
FSC: 6145
CAGE: 97324 — CHAMPLAIN CABLE LEEDS CORPORATION (USA)
SPECIFICATIONS
colorGRAY/GREY
arm_length18.000 INCHES NOMINAL IN
adjustabilityNONADJUSTABLE
painted_featureINCLUDED
mounting_positionUNIVERSAL
drive_adapter_extensionNOT INCLUDED
drive_end_locking_deviceNOT INCLUDED
drive_end_drive_shaft_mounting_holeINCLUDED
NSN6145-00-472-9413
COMPONENT DIAGRAM
WIRE / CABLE — AMPACITY DEPENDS ON INSTALLATION CROSS-SECTION JACKET WIRE SPECIFICATIONS Conductor Size: — Conductor Count: — Voltage Rating: — Insulation: — Temp Rating: — PN: 4577 · Melissa & Doug ⚠ VERIFY BEFORE ORDERING Ampacity depends on installation method — conduit ≠ free air ≠ underground. Same wire, different ratings. AWG sizing is inverse — smaller number = thicker wire (4 AWG > 12 AWG) ✓ BROKER TIP Stranded = flexible routing and vibration resistance. Solid = fixed conduit runs only. THHN/THWN = dual rated — check both dry and wet ampacity tables PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
STRAND AWG SIZE PER CONDUCTOR: 30 ALL CONDUCTORS
CROSS-SECTIONAL SHAPE STYLE: ROUND
SURFACE TREATMENT: TIN CORE CONDUCTOR ALL CONDUCTORS
CONDUCTOR ARRANGEMENT AND QUANTITY: 12 SINGLES
ROUND CONDUCTOR SIZE: 22 AWG ALL CONDUCTORS
COLOR: GRAY/GREY FIRST POSITION JACKET CABLE
MATERIAL: PLASTIC POLYVINYL CHLORIDE (PVC) FIRST POSITION PRIMARY INSULATION ALL CONDUCTORS
TECHNICAL CHARACTERISTICS (FLIS)
STRAND AWG SIZE PER CONDUCTOR30 ALL CONDUCTORS
CROSS-SECTIONAL SHAPE STYLEROUND
SURFACE TREATMENTTIN CORE CONDUCTOR ALL CONDUCTORS
CONDUCTOR ARRANGEMENT AND QUANTITY12 SINGLES
ROUND CONDUCTOR SIZE22 AWG ALL CONDUCTORS
COLORGRAY/GREY FIRST POSITION JACKET CABLE
MATERIALPLASTIC POLYVINYL CHLORIDE (PVC) FIRST POSITION PRIMARY INSULATION ALL CONDUCTORS
MATERIALCOPPER CORE CONDUCTOR ALL CONDUCTORS
CONDUCTOR FORMSTRANDED ALL CONDUCTORS
VOLTAGE RATING150.0 MAXIMUM ROOT MEAN SQUARE (RMS) OPERATING VOLTAGE ALL CONDUCTORS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
118-1Upgraded Successor
successor cross-reference
successor
HW-202-MUpgraded Successor
successor cross-reference
successor
1181 1/4 W X 18 YDS LGUpgraded Successor
successor cross-reference
successor
7000132170Upgraded Successor
successor cross-reference
successor
G353247Upgraded Successor
successor cross-reference
successor
4577Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4577?
4577 is a 4577 manufactured by Melissa & Doug. It is classified as a MRO (MRO_GENERAL).
What parts can replace 4577?
There are 13 known substitutes for 4577: 118-1, HW-202-M, 1181 1/4 W X 18 YDS LG and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4577?
4577 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6145-00-472-9413. This indicates validated use in U.S. government and defense supply chains.
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