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Technical Data Sheet
PartsTable / COMPONENT / M81934/1-05A008
M81934/1-05A008 ✓ 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

The M81934/1-05A008 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-01-135-7326, 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
M81934/1-05A008
NSN: 3120-01-135-7326
FSC: 3120
CAGE: 81343 — SOCIETY OF AUTOMOTIVE ENGINEERS INC (USA)
SPECIFICATIONS
Part NumberM81934/1-05A008
NSN3120-01-135-7326
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: M81934/1-05A008 · 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
•
BODY OUTSIDE DIAMETER: 0.4381 INCHES MINIMUM AND 0.4391 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-200/3 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE OUTER LAYER
•
CORNER SHAPE: SQUARE ALL CORNERS
•
MATERIAL: ALUMINUM ALLOY 2024 OUTER LAYER
•
STYLE DESIGNATOR: SOLID, PLAIN, NO OUTSIDE FLANGES
•
BODY INSIDE DIAMETER: 0.3130 INCHES MINIMUM AND 0.3140 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
BODY OUTSIDE DIAMETER0.4381 INCHES MINIMUM AND 0.4391 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-200/3 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE OUTER LAYER
CORNER SHAPESQUARE ALL CORNERS
MATERIALALUMINUM ALLOY 2024 OUTER LAYER
STYLE DESIGNATORSOLID, PLAIN, NO OUTSIDE FLANGES
BODY INSIDE DIAMETER0.3130 INCHES MINIMUM AND 0.3140 INCHES MAXIMUM IN
OVERALL LENGTH0.2400 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
10108079Interchangeable
interchangeable cross-reference
interchangeable
SAE-AS81934/1Interchangeable
Same NIIN cross-reference
interchangeable
AS81934Interchangeable
Same NIIN cross-reference
interchangeable
MIL-B-81934/1Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M81934/1-05A008?
M81934/1-05A008 is a M81934/1-05A008.
What parts can replace M81934/1-05A008?
There are 4 known substitutes for M81934/1-05A008: 10108079, SAE-AS81934/1, AS81934 and 1 more. Substitute compatibility should be verified for your specific system.
Is M81934/1-05A008 still available?
M81934/1-05A008 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