PartsTable
Technical Data Sheet
PartsTable / MRO / B6-12
B6-12 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
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 B6-12 is a the manufacturer industrial component. Key specifications include material: OIL LUBRICATING LUBRICATION, corner_shape: SQUARE ALL CORNERS, overall_length: 0.6200 INCHES MINIMUM AND 0.6300 INCHES MAXIMUM IN, style_designator: SOLID, PLAIN, NO OUTSIDE FLANGES, body_inside_diameter: 0.2510 INCHES MINIMUM AND 0.2520 INCHES MAXIMUM IN, body_outside_diameter: 0.3760 INCHES MINIMUM AND 0.3770 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-461-3217, 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
MRO→ MRO_GENERAL→ B6-12
NSN: 3120-00-461-3217
FSC: 3120
CAGE: 29440 — W. M. BERG, INC. (USA)
SPECIFICATIONS
materialOIL LUBRICATING LUBRICATION
corner_shapeSQUARE ALL CORNERS
overall_length0.6200 INCHES MINIMUM AND 0.6300 INCHES MAXIMUM IN
style_designatorSOLID, PLAIN, NO OUTSIDE FLANGES
body_inside_diameter0.2510 INCHES MINIMUM AND 0.2520 INCHES MAXIMUM IN
body_outside_diameter0.3760 INCHES MINIMUM AND 0.3770 INCHES MAXIMUM IN
end_item_identificationAN/UYQ-70(V) ADVANCED DISPLAY SYSTEM; N/A FOR COSAL USE
material_document_and_classificationMIL-B-5687,TYPE 1,COMP A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
part_name_assigned_by_controlling_agencyINAVY = PANEL, TOUCH SENSITIVE
NSN3120-00-461-3217
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: B6-12 · 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: 0.2510 INCHES MINIMUM AND 0.2520 INCHES MAXIMUM IN
•
MATERIAL: COPPER ALLOY 841 OVERALL
•
CORNER SHAPE: SQUARE ALL CORNERS
•
STYLE DESIGNATOR: SOLID, PLAIN, NO OUTSIDE FLANGES
•
BODY OUTSIDE DIAMETER: 0.3760 INCHES MINIMUM AND 0.3770 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-B-5687,TYPE 1,COMP A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
BODY INSIDE DIAMETER0.2510 INCHES MINIMUM AND 0.2520 INCHES MAXIMUM IN
MATERIALCOPPER ALLOY 841 OVERALL
CORNER SHAPESQUARE ALL CORNERS
STYLE DESIGNATORSOLID, PLAIN, NO OUTSIDE FLANGES
MATERIALOIL LUBRICATING LUBRICATION
BODY OUTSIDE DIAMETER0.3760 INCHES MINIMUM AND 0.3770 INCHES MAXIMUM IN
OVERALL LENGTH0.6200 INCHES MINIMUM AND 0.6300 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-B-5687,TYPE 1,COMP A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
1887690Interchangeable
interchangeable cross-reference
interchangeable
608531Interchangeable
interchangeable cross-reference
interchangeable
9201-0022Interchangeable
interchangeable cross-reference
interchangeable
11588659-2Interchangeable
interchangeable cross-reference
interchangeable
SS1-41Interchangeable
interchangeable cross-reference
interchangeable
B1012MREVAInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is B6-12?
B6-12 is a B6-12. It is classified as a MRO (MRO_GENERAL).
What parts can replace B6-12?
There are 20 known substitutes for B6-12: 1887690, 608531, 9201-0022 and 17 more. Substitute compatibility should be verified for your specific system.
Is B6-12 still available?
B6-12 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