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Technical Data Sheet
PartsTable / COMPONENT / 203670
203670 ✓ 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 PANEL,TEST,ELECTRICAL is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1010 OR STEEL COMP 1015 OUTER LAYER, corner_shape: SQUARE ALL CORNERS, hole_diameter: 0.1875 INCHES NOMINAL FIRST IN, overall_length: 1.9700 INCHES MINIMUM AND 1.9800 INCHES MAXIMUM IN, style_designator: HALF SLEEVE, PLAIN, NO OUTSIDE FLANGES, locking_lug_width: 0.2380 INCHES MINIMUM AND 0.2430 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-771-5660, 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
203670
NSN: 3120-00-771-5660
FSC: 3120
CAGE: 15434 — CUMMINS INC. (USA)
SPECIFICATIONS
materialSTEEL COMP 1010 OR STEEL COMP 1015 OUTER LAYER
corner_shapeSQUARE ALL CORNERS
hole_diameter0.1875 INCHES NOMINAL FIRST IN
overall_length1.9700 INCHES MINIMUM AND 1.9800 INCHES MAXIMUM IN
style_designatorHALF SLEEVE, PLAIN, NO OUTSIDE FLANGES
locking_lug_width0.2380 INCHES MINIMUM AND 0.2430 INCHES MAXIMUM IN
surface_treatmentTIN OVERALL
locking_lug_height0.0450 INCHES MINIMUM AND 0.0550 INCHES MAXIMUM IN
locking_lug_length0.2188 INCHES NOMINAL IN
body_inside_diameter3.1270 INCHES MINIMUM AND 3.1290 INCHES MAXIMUM IN
body_outside_diameter3.2725 INCHES MINIMUM AND 3.2730 INCHES MAXIMUM IN
distance_from_lug_end_to_end_of_bearing1.5730 INCHES MINIMUM AND 1.5780 INCHES MAXIMUM IN
NSN3120-00-771-5660
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 203670 · 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 OUTSIDE DIAMETER: 3.2725 INCHES MINIMUM AND 3.2730 INCHES MAXIMUM IN
•
SURFACE TREATMENT: TIN OVERALL
•
STYLE DESIGNATOR: HALF SLEEVE, PLAIN, NO OUTSIDE FLANGES
•
MATERIAL: OIL LUBRICATING LUBRICATION
•
CORNER SHAPE: SQUARE ALL CORNERS
•
DISTANCE FROM LUG END TO END OF BEARING: 1.5730 INCHES MINIMUM AND 1.5780 INCHES MAXIMUM IN
•
LOCKING LUG LENGTH: 0.2188 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
BODY OUTSIDE DIAMETER3.2725 INCHES MINIMUM AND 3.2730 INCHES MAXIMUM IN
SURFACE TREATMENTTIN OVERALL
STYLE DESIGNATORHALF SLEEVE, PLAIN, NO OUTSIDE FLANGES
MATERIALOIL LUBRICATING LUBRICATION
CORNER SHAPESQUARE ALL CORNERS
DISTANCE FROM LUG END TO END OF BEARING1.5730 INCHES MINIMUM AND 1.5780 INCHES MAXIMUM IN
LOCKING LUG LENGTH0.2188 INCHES NOMINAL IN
MATERIALCOPPER ALLOY INNER LAYER
LOCKING LUG WIDTH0.2380 INCHES MINIMUM AND 0.2430 INCHES MAXIMUM IN
LOCKING LUG HEIGHT0.0450 INCHES MINIMUM AND 0.0550 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 31
4400-15V1860PC30ANDPC32Interchangeable
interchangeable cross-reference
interchangeable
426791Interchangeable
interchangeable cross-reference
interchangeable
3268865Interchangeable
interchangeable cross-reference
interchangeable
5894-1Interchangeable
interchangeable cross-reference
interchangeable
95894-2Interchangeable
interchangeable cross-reference
interchangeable
5894Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 203670?
203670 is a PANEL,TEST,ELECTRICAL.
What parts can replace 203670?
There are 31 known substitutes for 203670: 4400-15V1860PC30ANDPC32, 426791, 3268865 and 28 more. Substitute compatibility should be verified for your specific system.
Is 203670 still available?
203670 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