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Technical Data Sheet
PartsTable / COMPONENT / 477
477 ✓ Verified by PartsTable
— · BALL BEARING
WHAT YOU NEED TO KNOW
2RS = sealed for life, ZZ = shielded re-greaseable ABEC grade: higher = tighter tolerance
ABEC-1 standard, ABEC-7+ for precision spindles
PRODUCT OVERVIEW

CONNECTOR,RECEPTACLE,ELECTRICAL. Key specifications include phase: SINGLE, shape: RECTANGULAR, filter: NOT INCLUDED, material: PLASTIC LENS, tip_type: OPEN END, obturator: PROVIDED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-005-8232, 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
477
NSN: 3120-00-005-8232
FSC: 3120
CAGE: 12437 — THERN INC (USA)
SPECIFICATIONS
phaseSINGLE
shapeRECTANGULAR
filterNOT INCLUDED
materialPLASTIC LENS
tip_typeOPEN END
obturatorPROVIDED
body_shapeROUND
cone_width1.1420 INCHES NOMINAL IN
lens_colorWHITE
spray_typeSEMIHOLLOW
work_length25.0 CENTIMETERS NOMINAL CM
control_typeLOCAL
NSN3120-00-005-8232
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 477 · OEM ⚠ VERIFY BEFORE ORDERING ABEC grade: higher = tighter tolerance = higher cost. ABEC-1 is standard, ABEC-7+ for precision spindles. Open, shielded (ZZ), and sealed (2RS) versions have different max RPM ratings ✓ BROKER TIP 2RS = sealed for life (no maintenance). ZZ = shielded, re-greaseable. Open = must lubricate on install. Common interchange: 6205-2RS = 6205-2RSR = 6205-DDU (same bearing, different suffix) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
MATERIAL: IRON CAST OVERALL
•
HOLE DIAMETER: 0.1875 INCHES NOMINAL FIRST IN
•
FLANGE WIDTH: 0.2500 INCHES NOMINAL IN
•
ANTIROTATION/LUBRICATION TYPE AND QUANTITY: 1 HOLE
•
BODY INSIDE DIAMETER: 1.0000 INCHES NOMINAL IN
•
BODY OUTSIDE DIAMETER: 1.7300 INCHES MINIMUM AND 1.7400 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALIRON CAST OVERALL
OVERALL LENGTH1.2500 INCHES NOMINAL IN
HOLE DIAMETER0.1875 INCHES NOMINAL FIRST IN
FLANGE WIDTH0.2500 INCHES NOMINAL IN
ANTIROTATION/LUBRICATION TYPE AND QUANTITY1 HOLE
BODY INSIDE DIAMETER1.0000 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER1.7300 INCHES MINIMUM AND 1.7400 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
477Interchangeable
interchangeable cross-reference
interchangeable
1H7486Interchangeable
interchangeable cross-reference
interchangeable
447Interchangeable
interchangeable cross-reference
interchangeable
0042864Interchangeable
interchangeable cross-reference
interchangeable
042864Interchangeable
interchangeable cross-reference
interchangeable
277423Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 477?
477 is a CONNECTOR,RECEPTACLE,ELECTRICAL.
What parts can replace 477?
There are 11 known substitutes for 477: 477, 1H7486, 447 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 477?
477 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-005-8232. 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