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Technical Data Sheet
PartsTable / COMPONENT / 123204
123204 ✓ 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

RECTIFIER,SEMICONDUCTOR DEVICE,U. Key specifications include end_item_identification: STAIRWAY HATCH LOCKING, AS-532 MK1, part_name_assigned_by_controlling_agency: WASHER, RETAINING. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3130-00-903-8240, 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
123204
NSN: 3130-00-903-8240
FSC: 3130
CAGE: 71956 — RELIANCE ELECTRIC COMPANY DBA RELIANCE & DODGE BRANDS (USA)
SPECIFICATIONS
end_item_identificationSTAIRWAY HATCH LOCKING, AS-532 MK1
part_name_assigned_by_controlling_agencyWASHER, RETAINING
NSN3130-00-903-8240
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 123204 · 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
•
LUBRICATION FITTING TYPE: HYDRAULIC
•
LUBRICATION MATERIAL: GREASE
•
CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES ALONG WIDTH: 4.7500 INCHES NOMINAL IN
•
LOAD CAPABILITY TYPE: RADIAL AND THRUST
•
BASE THICKNESS: 0.7500 INCHES NOMINAL IN
•
BLOCK TYPE: FIXED
•
MOUNTING HOLE TYPE: SLOTTED
•
LUBRICATION FITTING ANGLE FROM HORIZONTAL CENTERLINE: 45.0 DEGREES NOMINAL
TECHNICAL CHARACTERISTICS (FLIS)
LUBRICATION FITTING TYPEHYDRAULIC
LUBRICATION MATERIALGREASE
CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES ALONG WIDTH4.7500 INCHES NOMINAL IN
LOAD CAPABILITY TYPERADIAL AND THRUST
BASE THICKNESS0.7500 INCHES NOMINAL IN
BLOCK TYPEFIXED
MOUNTING HOLE TYPESLOTTED
LUBRICATION FITTING ANGLE FROM HORIZONTAL CENTERLINE45.0 DEGREES NOMINAL
MATERIALRUBBER SYNTHETIC SEAL
STYLE DESIGNATORPILLOW BLOCK, SOLID
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
123808Interchangeable
interchangeable cross-reference
interchangeable
626197Interchangeable
interchangeable cross-reference
interchangeable
310199Interchangeable
interchangeable cross-reference
interchangeable
3-10198Interchangeable
interchangeable cross-reference
interchangeable
62703-VE48Interchangeable
interchangeable cross-reference
interchangeable
123204Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 123204?
123204 is a RECTIFIER,SEMICONDUCTOR DEVICE,U.
What parts can replace 123204?
There are 9 known substitutes for 123204: 123808, 626197, 310199 and 6 more. Substitute compatibility should be verified for your specific system.
Is 123204 still available?
123204 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