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Technical Data Sheet
PartsTable / COMPONENT / 850304-7
850304-7 ✓ 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 BRUSH SET,ELECTRICAL CONTACT is a the manufacturer industrial component. Key specifications include depth: 2.500 INCHES NOMINAL IN, shape: RECTANGULAR, width: 9.250 INCHES NOMINAL IN, length: 16.750 INCHES NOMINAL IN, material: STEEL CORROSION RESISTING, special_features: PERFORATED FOR USE AS A CONTAINER FOR STERILIZATION OF INSTRUMENTS IN STERILIZERS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-01-288-5764, 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
850304-7
NSN: 3120-01-288-5764
FSC: 3120
CAGE: 61724 — VOLVO PENTA OF THE AMERICAS INC (USA)
SPECIFICATIONS
depth2.500 INCHES NOMINAL IN
shapeRECTANGULAR
width9.250 INCHES NOMINAL IN
length16.750 INCHES NOMINAL IN
materialSTEEL CORROSION RESISTING
special_featuresPERFORATED FOR USE AS A CONTAINER FOR STERILIZATION OF INSTRUMENTS IN STERILIZERS
component_quantity3
nondefinitive_spec/std_dataIII TYPE AND 6 SIZE
part_name_assigned_by_controlling_agencyTRAY INSTRUMENT CRS 16.75X9.25X2.50 INCHES RECTANGULAR IN
NSN3120-01-288-5764
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 850304-7 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
1857963Interchangeable
interchangeable cross-reference
interchangeable
850304Interchangeable
interchangeable cross-reference
interchangeable
10-1748Interchangeable
interchangeable cross-reference
interchangeable
5867101748Interchangeable
interchangeable cross-reference
interchangeable
SK10-1748Interchangeable
interchangeable cross-reference
interchangeable
872128-4Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 850304-7?
850304-7 is a BRUSH SET,ELECTRICAL CONTACT.
What parts can replace 850304-7?
There are 6 known substitutes for 850304-7: 1857963, 850304, 10-1748 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 850304-7?
850304-7 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-01-288-5764. 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