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Technical Data Sheet
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A10493 — Technical Data Sheet

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— · 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 RELAY,ELECTROMAGNETIC is a the manufacturer industrial component. Key specifications include MATERIAL: OIL LUBRICATING LUBRICATION, CORNER SHAPE: SQUARE ALL CORNERS, OVERALL LENGTH: 1.0000 INCHES NOMINAL IN, STYLE DESIGNATOR: SOLID, PLAIN, NO OUTSIDE FLANGES, BODY INSIDE DIAMETER: 0.7510 INCHES MINIMUM AND 0.7520 INCHES MAXIMUM IN, BODY OUTSIDE DIAMETER: 1.0015 INCHES MINIMUM AND 1.0025 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System under NSN 3120-00-287-6574, 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
A10493
NSN: 3120-00-287-6574
FSC: 3120
CAGE: 12204 — CHRYSLER REALTY COMPANY LLC DBA DAIMLER CHRYSLER (USA)
SPECIFICATIONS
MATERIALOIL LUBRICATING LUBRICATION
CORNER SHAPESQUARE ALL CORNERS
OVERALL LENGTH1.0000 INCHES NOMINAL IN
STYLE DESIGNATORSOLID, PLAIN, NO OUTSIDE FLANGES
BODY INSIDE DIAMETER0.7510 INCHES MINIMUM AND 0.7520 INCHES MAXIMUM IN
BODY OUTSIDE DIAMETER1.0015 INCHES MINIMUM AND 1.0025 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-B-5697,TY 1,COMP A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN3120-00-287-6574
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: A10493 · 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 DOCUMENT AND CLASSIFICATION: MIL-L-6085 MIL SPEC SINGLE MATERIAL RESPONSE OR MIL-L-15016, SYMBOL 2190 MIL SPEC SINGLE MATERIAL RESPONSE OR MIL-L-11734 MIL SPEC SINGLE MATERIAL RESPONSE LUBRICATION
•
STYLE DESIGNATOR: SOLID, PLAIN, NO OUTSIDE FLANGES
•
MATERIAL: COPPER ALLOY OVERALL
•
BODY OUTSIDE DIAMETER: 1.0015 INCHES MINIMUM AND 1.0025 INCHES MAXIMUM IN
•
BODY INSIDE DIAMETER: 0.7510 INCHES MINIMUM AND 0.7520 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-L-6085 MIL SPEC SINGLE MATERIAL RESPONSE OR MIL-L-15016, SYMBOL 2190 MIL SPEC SINGLE MATERIAL RESPONSE OR MIL-L-11734 MIL SPEC SINGLE MATERIAL RESPONSE LUBRICATION
STYLE DESIGNATORSOLID, PLAIN, NO OUTSIDE FLANGES
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-B-5697,TY 1,COMP A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALCOPPER ALLOY OVERALL
OVERALL LENGTH1.0000 INCHES NOMINAL IN
MATERIALOIL LUBRICATING LUBRICATION
BODY OUTSIDE DIAMETER1.0015 INCHES MINIMUM AND 1.0025 INCHES MAXIMUM IN
BODY INSIDE DIAMETER0.7510 INCHES MINIMUM AND 0.7520 INCHES MAXIMUM IN
CORNER SHAPESQUARE ALL CORNERS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
ASTM B438InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
PL-2D3-981 ITEMInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
PB2432-16InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
10018InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
29331InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
209InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLEDGOVERNMENT REGISTRY
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A10493?
A10493 is a RELAY,ELECTROMAGNETIC.
What parts can replace A10493?
There are 21 known substitutes for A10493: ASTM B438, PL-2D3-981 ITEM, PB2432-16 and 18 more. Substitute compatibility should be verified for your specific system.
Is A10493 still available?
A10493 is currently cancelled.
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Last verified: September 2026