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Technical Data Sheet
PartsTable / COMPONENT / M10WJ178
M10WJ178 ✓ 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

CLEANING KIT,OPTICAL INSTRUMENT. Key specifications include material: PLASTIC POLYAMIDE NYLON OVERALL, corner_shape: SQUARE ALL CORNERS, hole_diameter: 0.3125 INCHES NOMINAL FIRST IN, overall_length: 2.0000 INCHES NOMINAL IN, style_designator: SOLID, PLAIN, NO OUTSIDE FLANGES, body_inside_diameter: 1.5100 INCHES MINIMUM AND 1.5140 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-678-6132, 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
M10WJ178
NSN: 3120-00-678-6132
FSC: 3120
CAGE: 62707 — DANA CORP SPICER TRAILER AXLE PLANT (USA)
SPECIFICATIONS
materialPLASTIC POLYAMIDE NYLON OVERALL
corner_shapeSQUARE ALL CORNERS
hole_diameter0.3125 INCHES NOMINAL FIRST IN
overall_length2.0000 INCHES NOMINAL IN
style_designatorSOLID, PLAIN, NO OUTSIDE FLANGES
body_inside_diameter1.5100 INCHES MINIMUM AND 1.5140 INCHES MAXIMUM IN
body_outside_diameter1.8800 INCHES MINIMUM AND 1.8850 INCHES MAXIMUM IN
antirotation/lubrication_type_and_quantity1 HOLE
NSN3120-00-678-6132
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: M10WJ178 · 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: PLASTIC POLYAMIDE NYLON OVERALL
•
BODY OUTSIDE DIAMETER: 1.8800 INCHES MINIMUM AND 1.8850 INCHES MAXIMUM IN
•
BODY INSIDE DIAMETER: 1.5100 INCHES MINIMUM AND 1.5140 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: SOLID, PLAIN, NO OUTSIDE FLANGES
•
ANTIROTATION/LUBRICATION TYPE AND QUANTITY: 1 HOLE
•
HOLE DIAMETER: 0.3125 INCHES NOMINAL FIRST IN
•
CORNER SHAPE: SQUARE ALL CORNERS
TYPICAL APPLICATIONS
  • Data center switch-to-switch interconnects
  • Server-to-storage fabric connectivity
  • Long-distance fiber optic links
  • High-speed uplink connections (10G/25G/40G/100G)
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALPLASTIC POLYAMIDE NYLON OVERALL
BODY OUTSIDE DIAMETER1.8800 INCHES MINIMUM AND 1.8850 INCHES MAXIMUM IN
BODY INSIDE DIAMETER1.5100 INCHES MINIMUM AND 1.5140 INCHES MAXIMUM IN
STYLE DESIGNATORSOLID, PLAIN, NO OUTSIDE FLANGES
ANTIROTATION/LUBRICATION TYPE AND QUANTITY1 HOLE
OVERALL LENGTH2.0000 INCHES NOMINAL IN
HOLE DIAMETER0.3125 INCHES NOMINAL FIRST IN
CORNER SHAPESQUARE ALL CORNERS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
22380Interchangeable
interchangeable cross-reference
interchangeable
B1547AInterchangeable
interchangeable cross-reference
interchangeable
B1547Interchangeable
interchangeable cross-reference
interchangeable
5198386Interchangeable
interchangeable cross-reference
interchangeable
LK233Interchangeable
interchangeable cross-reference
interchangeable
022380Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M10WJ178?
M10WJ178 is a CLEANING KIT,OPTICAL INSTRUMENT.
What parts can replace M10WJ178?
There are 17 known substitutes for M10WJ178: 22380, B1547A, B1547 and 14 more. Substitute compatibility should be verified for your specific system.
Is M10WJ178 still available?
M10WJ178 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026