PartsTable
Technical Data Sheet

M81934/2-04C005 — BEARING,SLEEVE

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

M81934/2-04C005: BEARING,SLEEVE.

The BEARING,SLEEVE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, corner_shape: SQUARE ALL CORNERS, flange_width: 0.0620 INCHES MINIMUM AND 0.0625 INCHES MAXIMUM IN, overall_length: 0.2080 INCHES MINIMUM AND 0.2185 INCHES MAXIMUM IN, surface_finish: 63.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY, style_designator: SOLID, EXTERNAL FLANGE ONE END. This part is cataloged in the U.S.

Government catalog under NSN 3120-01-334-7983, 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
M81934/2-04C005
NSN: 3120-01-334-7983
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 0U583 — SAE INTERNATIONAL DBA SAE INTERNATIONAL (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
corner_shapeSQUARE ALL CORNERS
flange_width0.0620 INCHES MINIMUM AND 0.0625 INCHES MAXIMUM IN
overall_length0.2080 INCHES MINIMUM AND 0.2185 INCHES MAXIMUM IN
surface_finish63.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY
special_featuresOUTSIDE LEFT AND RIGHT CORNERS OFSLEEVE HAVE A CHAMFER MEASURING 0.020 IN. MIN. AND 0.030 IN. MAX.; ITEM IS SELF-LUBRICATING IN
style_designatorSOLID, EXTERNAL FLANGE ONE END
body_inside_diameter0.2505 INCHES MINIMUM AND 0.2515 INCHES MAXIMUM IN
body_outside_diameter0.3755 INCHES MINIMUM AND 0.3760 INCHES MAXIMUM IN
flange_outside_diameter0.7300 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM IN
material_document_and_classificationAMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN3120-01-334-7983
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: M81934/2-04C005 · 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: 63.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY
•
CORNER SHAPE: SQUARE ALL CORNERS
•
FLANGE OUTSIDE DIAMETER: 0.7300 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM IN
•
BODY OUTSIDE DIAMETER: 0.3755 INCHES MINIMUM AND 0.3760 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: SOLID, EXTERNAL FLANGE ONE END
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
BODY INSIDE DIAMETER: 0.2505 INCHES MINIMUM AND 0.2515 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
SURFACE FINISH63.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY
CORNER SHAPESQUARE ALL CORNERS
FLANGE OUTSIDE DIAMETER0.7300 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM IN
BODY OUTSIDE DIAMETER0.3755 INCHES MINIMUM AND 0.3760 INCHES MAXIMUM IN
STYLE DESIGNATORSOLID, EXTERNAL FLANGE ONE END
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OVERALL LENGTH0.2080 INCHES MINIMUM AND 0.2185 INCHES MAXIMUM IN
BODY INSIDE DIAMETER0.2505 INCHES MINIMUM AND 0.2515 INCHES MAXIMUM IN
SPECIAL FEATURESOUTSIDE LEFT AND RIGHT CORNERS OFSLEEVE HAVE A CHAMFER MEASURING 0.020 IN. MIN. AND 0.030 IN. MAX.; ITEM IS SELF-LUBRICATING IN
FLANGE WIDTH0.0620 INCHES MINIMUM AND 0.0625 INCHES MAXIMUM IN
OTHER ITEMS IN FSC 3120 — Bearings, Plain, Unmounted
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3120-00-001-1288 3120-00-001-1835 3120-00-001-1838 3120-00-001-1928 3120-00-001-1934 3120-00-001-3933 3120-00-001-3937 3120-00-001-3938
SUBSTITUTES & CROSS-REFERENCES 1
AS81934Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is M81934/2-04C005?
M81934/2-04C005 is a BEARING,SLEEVE.
What parts can replace M81934/2-04C005?
There is 1 known substitute for M81934/2-04C005: AS81934. Substitute compatibility should be verified for your specific system.
What is the NSN for M81934/2-04C005?
M81934/2-04C005 is cataloged in the U.S. Government catalog under NSN 3120-01-334-7983. 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.