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Technical Data Sheet
PartsTable / COMPONENT / OB76
OB76 ✓ 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 BOX,ACCESSORIES STOWAGE is a the manufacturer industrial component. Key specifications include material: OIL LUBRICATING LUBRICATION, corner_shape: SQUARE ALL CORNERS, overall_length: 0.1510 INCHES MINIMUM AND 0.1560 INCHES MAXIMUM IN, body_inside_diameter: 0.1877 INCHES MINIMUM AND 0.1879 INCHES MAXIMUM IN, body_outside_diameter: 0.4999 INCHES MINIMUM AND 0.5001 INCHES MAXIMUM IN, end_item_identification: 5865015150444. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-01-142-9457, 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
OB76
NSN: 3120-01-142-9457
FSC: 3120
CAGE: 23266 — SECS INC (USA)
SPECIFICATIONS
materialOIL LUBRICATING LUBRICATION
corner_shapeSQUARE ALL CORNERS
overall_length0.1510 INCHES MINIMUM AND 0.1560 INCHES MAXIMUM IN
body_inside_diameter0.1877 INCHES MINIMUM AND 0.1879 INCHES MAXIMUM IN
body_outside_diameter0.4999 INCHES MINIMUM AND 0.5001 INCHES MAXIMUM IN
end_item_identification5865015150444
material_document_and_classificationMIL-L-6085 MIL SPEC SINGLE MATERIAL RESPONSE LUBRICATION
NSN3120-01-142-9457
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: OB76 · 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
•
CORNER SHAPE: SQUARE ALL CORNERS
•
MATERIAL: OIL LUBRICATING LUBRICATION
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-L-6085 MIL SPEC SINGLE MATERIAL RESPONSE LUBRICATION
•
BODY OUTSIDE DIAMETER: 0.4999 INCHES MINIMUM AND 0.5001 INCHES MAXIMUM IN
•
BODY INSIDE DIAMETER: 0.1877 INCHES MINIMUM AND 0.1879 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
CORNER SHAPESQUARE ALL CORNERS
MATERIALOIL LUBRICATING LUBRICATION
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-L-6085 MIL SPEC SINGLE MATERIAL RESPONSE LUBRICATION
BODY OUTSIDE DIAMETER0.4999 INCHES MINIMUM AND 0.5001 INCHES MAXIMUM IN
OVERALL LENGTH0.1510 INCHES MINIMUM AND 0.1560 INCHES MAXIMUM IN
BODY INSIDE DIAMETER0.1877 INCHES MINIMUM AND 0.1879 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
00725665450426Interchangeable
interchangeable cross-reference
interchangeable
51-10312Interchangeable
interchangeable cross-reference
interchangeable
204C22Interchangeable
interchangeable cross-reference
interchangeable
B38Interchangeable
interchangeable cross-reference
interchangeable
MS39256B38Interchangeable
interchangeable cross-reference
interchangeable
R24-1B1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is OB76?
OB76 is a BOX,ACCESSORIES STOWAGE.
What parts can replace OB76?
There are 23 known substitutes for OB76: 00725665450426, 51-10312, 204C22 and 20 more. Substitute compatibility should be verified for your specific system.
What is the NSN for OB76?
OB76 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-01-142-9457. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026