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Technical Data Sheet
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SU3-4 — Technical Data Sheet

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— · 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 PLATE,WALL,ELECTRICAL is a the manufacturer industrial component. Key specifications include bonnet_type: OUTSIDE SCREW-YOKE, valve_operation_method: MANUAL, bonnet_attachment_method: BOLTED, media_for_which_designed: STEAM SINGLE RESPONSE. This part is cataloged in the Federal Logistics Information System under NSN 3130-00-108-0677, 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
SU3-4
NSN: 3130-00-108-0677
FSC: 3130
CAGE: 71956 — RELIANCE ELECTRIC COMPANY DBA RELIANCE & DODGE BRANDS (USA)
SPECIFICATIONS
bonnet_typeOUTSIDE SCREW-YOKE
valve_operation_methodMANUAL
bonnet_attachment_methodBOLTED
media_for_which_designedSTEAM SINGLE RESPONSE
NSN3130-00-108-0677
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: SU3-4 · 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
•
SEAL TYPE: LABYRINTH
•
MOUNTING SLOT LENGTH: 0.7500 INCHES NOMINAL IN
•
MOUNTING SLOT WIDTH: 0.4375 INCHES NOMINAL IN
•
ASSEMBLY OVERALL LENGTH: 1.2188 INCHES NOMINAL IN
•
MOUNTING HOLE TYPE: SLOTTED
•
LUBRICATION MATERIAL: GREASE
•
MATERIAL: STEEL AND WOOL SEAL
•
FEATURES PROVIDED: GROUND ROLLING ELEMENT GROOVE
TECHNICAL CHARACTERISTICS
SEAL TYPELABYRINTH
MOUNTING SLOT LENGTH0.7500 INCHES NOMINAL IN
MOUNTING SLOT WIDTH0.4375 INCHES NOMINAL IN
ASSEMBLY OVERALL LENGTH1.2188 INCHES NOMINAL IN
MOUNTING HOLE TYPESLOTTED
LUBRICATION MATERIALGREASE
MATERIALSTEEL AND WOOL SEAL
FEATURES PROVIDEDGROUND ROLLING ELEMENT GROOVE
LUBRICATION FITTING TYPEHYDRAULIC
BORE DIAMETER0.7500 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
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123803InterchangeableGOVERNMENT REGISTRY
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214TInterchangeableGOVERNMENT REGISTRY
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LIFECYCLE
StatusCANCELLEDGOVERNMENT REGISTRY
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SU3-4?
SU3-4 is a PLATE,WALL,ELECTRICAL.
What parts can replace SU3-4?
There are 24 known substitutes for SU3-4: 91181, NP12, P12X and 21 more. Substitute compatibility should be verified for your specific system.
Is SU3-4 still available?
SU3-4 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: October 2026