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666167-3 — BEARING,WASHER,THRUST

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

666167-3: BEARING,WASHER,THRUST.

The BEARING,WASHER,THRUST is a the manufacturer industrial component. Key specifications include diameter: 0.6510 INCHES MINIMUM AND 0.6610 INCHES MAXIMUM IN, material: COPPER ALLOY OVERALL, corner_shape: SQUARE ALL CORNERS, surface_finish: 125.0 MICROINCHES OVERALL, outside_diameter: 1.1150 INCHES MINIMUM AND 1.1350 INCHES MAXIMUM IN, style_designator: ROUND. This part is cataloged in the U.S.

Government catalog under NSN 3120-01-055-3959, 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
666167-3
NSN: 3120-01-055-3959
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 20418 — DRS SUSTAINMENT SYSTEMS, INC. (USA)
SPECIFICATIONS
diameter0.6510 INCHES MINIMUM AND 0.6610 INCHES MAXIMUM IN
materialCOPPER ALLOY OVERALL
corner_shapeSQUARE ALL CORNERS
surface_finish125.0 MICROINCHES OVERALL
outside_diameter1.1150 INCHES MINIMUM AND 1.1350 INCHES MAXIMUM IN
style_designatorROUND
overall_thickness0.2160 INCHES MINIMUM AND 0.2220 INCHES MAXIMUM IN
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationMIL-B-5687,TY 1,COMP A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN3120-01-055-3959
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 666167-3 · 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
•
SURFACE FINISH: 125.0 MICROINCHES OVERALL
•
CORNER SHAPE: SQUARE ALL CORNERS
•
OVERALL THICKNESS: 0.2160 INCHES MINIMUM AND 0.2220 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: ROUND
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-B-5687,TY 1,COMP A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
DIAMETER: 0.6510 INCHES MINIMUM AND 0.6610 INCHES MAXIMUM IN
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
OUTSIDE DIAMETER: 1.1150 INCHES MINIMUM AND 1.1350 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
SURFACE FINISH125.0 MICROINCHES OVERALL
CORNER SHAPESQUARE ALL CORNERS
OVERALL THICKNESS0.2160 INCHES MINIMUM AND 0.2220 INCHES MAXIMUM IN
STYLE DESIGNATORROUND
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-B-5687,TY 1,COMP A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
DIAMETER0.6510 INCHES MINIMUM AND 0.6610 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
OUTSIDE DIAMETER1.1150 INCHES MINIMUM AND 1.1350 INCHES MAXIMUM IN
MATERIALCOPPER ALLOY OVERALL
MATERIALOIL LUBRICATING LUBRICATION
SUBSTITUTES & CROSS-REFERENCES 1
12266068Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 666167-3?
666167-3 is a BEARING,WASHER,THRUST.
What parts can replace 666167-3?
There is 1 known substitute for 666167-3: 12266068. Substitute compatibility should be verified for your specific system.
What is the NSN for 666167-3?
666167-3 is cataloged in the U.S. Government catalog under NSN 3120-01-055-3959. 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.