PartsTable
Technical Data Sheet
PartsTable / COMPONENT / A205-1
A205-1 ✓ 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 TARGET,BORESIGHT ALIGNMENT is a the manufacturer industrial component. Key specifications include overall_width: 2.000 INCHES NOMINAL IN, overall_height: 2.000 INCHES NOMINAL IN, special_features: ALTERED ITEM, end_item_identification: 4920-01-384-7496. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-517-8482, 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
A205-1
NSN: 3120-00-517-8482
FSC: 3120
CAGE: 70417 — CHRYSLER CORP AMPLEX DIV (USA)
SPECIFICATIONS
overall_width2.000 INCHES NOMINAL IN
overall_height2.000 INCHES NOMINAL IN
special_featuresALTERED ITEM
end_item_identification4920-01-384-7496
NSN3120-00-517-8482
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: A205-1 · 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: OIL LUBRICATING LUBRICATION
•
BODY OUTSIDE DIAMETER: 0.2500 INCHES MINIMUM AND 0.2510 INCHES MAXIMUM IN
•
CORNER SHAPE: SQUARE ALL CORNERS
•
STYLE DESIGNATOR: SOLID, PLAIN, NO OUTSIDE FLANGES
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-B-5697,TY 1,COMP A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
BODY INSIDE DIAMETER: 0.1875 INCHES MINIMUM AND 0.1885 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALOIL LUBRICATING LUBRICATION
BODY OUTSIDE DIAMETER0.2500 INCHES MINIMUM AND 0.2510 INCHES MAXIMUM IN
CORNER SHAPESQUARE ALL CORNERS
MATERIALCOPPER ALLOY OVERALL
STYLE DESIGNATORSOLID, PLAIN, NO OUTSIDE FLANGES
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-B-5697,TY 1,COMP A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
OVERALL LENGTH0.2450 INCHES MINIMUM AND 0.2550 INCHES MAXIMUM IN
BODY INSIDE DIAMETER0.1875 INCHES MINIMUM AND 0.1885 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
10543Interchangeable
interchangeable cross-reference
interchangeable
SMA595856-1Interchangeable
interchangeable cross-reference
interchangeable
SM-B-595856-1Interchangeable
interchangeable cross-reference
interchangeable
799004Interchangeable
interchangeable cross-reference
interchangeable
N1547Interchangeable
interchangeable cross-reference
interchangeable
BB3123Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A205-1?
A205-1 is a TARGET,BORESIGHT ALIGNMENT.
What parts can replace A205-1?
There are 15 known substitutes for A205-1: 10543, SMA595856-1, SM-B-595856-1 and 12 more. Substitute compatibility should be verified for your specific system.
Is A205-1 still available?
A205-1 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