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Technical Data Sheet
PartsTable / COMPONENT / A10439
A10439 ✓ 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 TRANSFORMER,POWER is a the manufacturer industrial component. Key specifications include material: OIL LUBRICATING LUBRICATION, body_width: 1.515 INCHES MAXIMUM IN, body_height: 2.000 INCHES MAXIMUM IN, body_length: 1.515 INCHES MAXIMUM IN, corner_shape: SQUARE ALL CORNERS, inclosure_type: HERMETICALLY SEALED. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-159-7148, 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
A10439
NSN: 3120-00-159-7148
FSC: 3120
CAGE: 70417 — CHRYSLER CORP AMPLEX DIV (USA)
SPECIFICATIONS
materialOIL LUBRICATING LUBRICATION
body_width1.515 INCHES MAXIMUM IN
body_height2.000 INCHES MAXIMUM IN
body_length1.515 INCHES MAXIMUM IN
corner_shapeSQUARE ALL CORNERS
inclosure_typeHERMETICALLY SEALED
overall_length0.9950 INCHES MINIMUM AND 1.0050 INCHES MAXIMUM IN
hardness_rating30.0 ROCKWELL H MINIMUM AND 70.0 ROCKWELL H MAXIMUM OVERALL
mounting_methodTHREADED STUD(S) SINGLE GROUP
frequency_rating400.0 HERTZ NOMINAL SINGLE COMPONENT
style_designatorSOLID, PLAIN, NO OUTSIDE FLANGES
nominal_thread_size0.138 INCHES SINGLE GROUP IN
NSN3120-00-159-7148
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: A10439 · 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 INSIDE DIAMETER: 0.7510 INCHES MINIMUM AND 0.7520 INCHES MAXIMUM IN
•
CORNER SHAPE: SQUARE ALL CORNERS
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-L-15016, SYMBOL 2190 MIL SPEC SINGLE MATERIAL RESPONSE LUBRICATION
•
STYLE DESIGNATOR: SOLID, PLAIN, NO OUTSIDE FLANGES
•
MATERIAL: OIL LUBRICATING LUBRICATION
•
HARDNESS RATING: 30.0 ROCKWELL H MINIMUM AND 70.0 ROCKWELL H MAXIMUM OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
BODY INSIDE DIAMETER0.7510 INCHES MINIMUM AND 0.7520 INCHES MAXIMUM IN
CORNER SHAPESQUARE ALL CORNERS
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-L-15016, SYMBOL 2190 MIL SPEC SINGLE MATERIAL RESPONSE LUBRICATION
STYLE DESIGNATORSOLID, PLAIN, NO OUTSIDE FLANGES
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-B-5687,TY 1,COMP A OR B MIL SPEC ALL MATERIAL RESPONSES OVERALL
MATERIALOIL LUBRICATING LUBRICATION
MATERIALCOPPER ALLOY OR IRON COMP B OR IRON COMP A1 OR IRON COMP A2 OR IRON COMP A3 OVERALL
HARDNESS RATING30.0 ROCKWELL H MINIMUM AND 70.0 ROCKWELL H MAXIMUM OVERALL
OVERALL LENGTH0.9950 INCHES MINIMUM AND 1.0050 INCHES MAXIMUM IN
BODY OUTSIDE DIAMETER1.0020 INCHES MINIMUM AND 1.0030 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 27
615721Interchangeable
interchangeable cross-reference
interchangeable
VG95236-T103Interchangeable
interchangeable cross-reference
interchangeable
K3Interchangeable
interchangeable cross-reference
interchangeable
6610PL0798978Interchangeable
interchangeable cross-reference
interchangeable
1701DX8-04Interchangeable
interchangeable cross-reference
interchangeable
2636CInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A10439?
A10439 is a TRANSFORMER,POWER.
What parts can replace A10439?
There are 27 known substitutes for A10439: 615721, VG95236-T103, K3 and 24 more. Substitute compatibility should be verified for your specific system.
Is A10439 still available?
A10439 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