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PartsTable / COMPONENT / D2642
D2642 ✓ 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 RECTIFIER,METALLIC is a the manufacturer industrial component. Key specifications include material: SELENIUM, load_type: RESISTIVE, temp_rating: -55.0 CELSIUS AND 125.0 CELSIUS DEGC, corner_shape: SQUARE ALL CORNERS, terminal_type: WIRE LEAD, overall_length: 0.906 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-426-1674, 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
D2642
NSN: 3120-00-426-1674
FSC: 3120
CAGE: 59690 — KOEHRING CO LORAIN DIV (USA)
SPECIFICATIONS
materialSELENIUM
load_typeRESISTIVE
temp_rating-55.0 CELSIUS AND 125.0 CELSIUS DEGC
corner_shapeSQUARE ALL CORNERS
terminal_typeWIRE LEAD
overall_length0.906 INCHES NOMINAL IN
stack_quantity1
overall_diameter0.406 INCHES NOMINAL IN
special_featuresHERMETICALLY SEALED METAL TUBE,GLASS END SEAL; POSITIVE TERMINAL LEAD TO BE COLOR CODED RED ON BODY
style_designatorSOLID, PLAIN, NO OUTSIDE FLANGES
enclosure_featureMETAL CASE
terminal_quantity2
NSN3120-00-426-1674
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: D2642 · 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: 1.8125 INCHES NOMINAL IN
•
CORNER SHAPE: SQUARE ALL CORNERS
•
MATERIAL: STEEL OVERALL
•
STYLE DESIGNATOR: SOLID, PLAIN, NO OUTSIDE FLANGES
•
BODY OUTSIDE DIAMETER: 2.4375 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
BODY INSIDE DIAMETER1.8125 INCHES NOMINAL IN
CORNER SHAPESQUARE ALL CORNERS
MATERIALSTEEL OVERALL
STYLE DESIGNATORSOLID, PLAIN, NO OUTSIDE FLANGES
OVERALL LENGTH1.2500 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER2.4375 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
945-5Interchangeable
interchangeable cross-reference
interchangeable
74797297-1Interchangeable
interchangeable cross-reference
interchangeable
T-9455Interchangeable
interchangeable cross-reference
interchangeable
H9455Interchangeable
interchangeable cross-reference
interchangeable
608496-003Interchangeable
interchangeable cross-reference
interchangeable
608496-3Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is D2642?
D2642 is a RECTIFIER,METALLIC.
What parts can replace D2642?
There are 9 known substitutes for D2642: 945-5, 74797297-1, T-9455 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for D2642?
D2642 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-426-1674. 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