PartsTable
Technical Data Sheet
PLA51B51540 ✓ 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 BUSHING,SLEEVE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, corner_shape: SQUARE ALL CORNERS, overall_length: 0.8400 INCHES NOMINAL IN, style_designator: SOLID, PLAIN, NO OUTSIDE FLANGES, surface_treatment: CADMIUM OVERALL, body_inside_diameter: 0.2497 INCHES MINIMUM AND 0.2517 INCHES MAXIMUM 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 3120-00-003-3865, 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
PLA51B51540
NSN: 3120-00-003-3865
FSC: 3120
CAGE: 26512 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
materialSTEEL OVERALL
corner_shapeSQUARE ALL CORNERS
overall_length0.8400 INCHES NOMINAL IN
style_designatorSOLID, PLAIN, NO OUTSIDE FLANGES
surface_treatmentCADMIUM OVERALL
body_inside_diameter0.2497 INCHES MINIMUM AND 0.2517 INCHES MAXIMUM IN
body_outside_diameter0.3727 INCHES MINIMUM AND 0.3737 INCHES MAXIMUM IN
material_document_and_classificationGS30C,FSCM 26512 MFR REF SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classificationQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN3120-00-003-3865
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: PLA51B51540 · 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: 0.2497 INCHES MINIMUM AND 0.2517 INCHES MAXIMUM IN
SURFACE TREATMENT: CADMIUM OVERALL
CORNER SHAPE: SQUARE ALL CORNERS
STYLE DESIGNATOR: SOLID, PLAIN, NO OUTSIDE FLANGES
MATERIAL: STEEL OVERALL
BODY OUTSIDE DIAMETER: 0.3727 INCHES MINIMUM AND 0.3737 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATION: GS30C,FSCM 26512 MFR REF SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL LENGTH0.8400 INCHES NOMINAL IN
BODY INSIDE DIAMETER0.2497 INCHES MINIMUM AND 0.2517 INCHES MAXIMUM IN
SURFACE TREATMENTCADMIUM OVERALL
CORNER SHAPESQUARE ALL CORNERS
STYLE DESIGNATORSOLID, PLAIN, NO OUTSIDE FLANGES
MATERIALSTEEL OVERALL
BODY OUTSIDE DIAMETER0.3727 INCHES MINIMUM AND 0.3737 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONGS30C,FSCM 26512 MFR REF SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
TEST DATA DOCUMENT81349-MIL-I-6868 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
128HM40095Interchangeable
interchangeable cross-reference
interchangeable
G41Interchangeable
interchangeable cross-reference
interchangeable
GSS4710Interchangeable
Same NIIN cross-reference
interchangeable
A51B51540-57Interchangeable
Same NIIN cross-reference
interchangeable
3120-A117-02029Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is PLA51B51540?
PLA51B51540 is a BUSHING,SLEEVE.
What parts can replace PLA51B51540?
There are 5 known substitutes for PLA51B51540: 128HM40095, G41, GSS4710 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for PLA51B51540?
PLA51B51540 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3120-00-003-3865. This indicates validated use in U.S. government and defense supply chains.
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