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A51B25502-12 — BUSHING,SLEEVE

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

A51B25502-12: BUSHING,SLEEVE.

The BUSHING,SLEEVE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4130 OVERALL, corner_shape: SQUARE LEFT FLANGE BODY CORNER, flange_width: 0.0880 INCHES MINIMUM AND 0.0930 INCHES MAXIMUM IN, overall_length: 0.7380 INCHES MINIMUM AND 0.7530 INCHES MAXIMUM IN, surface_finish: 125.0 MICROINCHES INTERMEDIATE LAYER, hardness_rating: 33.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-005-5690, 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
A51B25502-12
NSN: 3120-00-005-5690
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 0BVP9 — CAPY MACHINE SHOP INC. DBA CAPY MACHINE SHOP INC (USA)
SPECIFICATIONS
materialSTEEL COMP 4130 OVERALL
corner_shapeSQUARE LEFT FLANGE BODY CORNER
flange_width0.0880 INCHES MINIMUM AND 0.0930 INCHES MAXIMUM IN
overall_length0.7380 INCHES MINIMUM AND 0.7530 INCHES MAXIMUM IN
surface_finish125.0 MICROINCHES INTERMEDIATE LAYER
hardness_rating33.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM OVERALL
style_designatorSOLID, EXTERNAL FLANGE ONE END
surface_treatmentCADMIUM OVERALL
body_inside_diameter0.8776 INCHES MINIMUM AND 0.8796 INCHES MAXIMUM IN
body_outside_diameter1.0630 INCHES MINIMUM AND 1.0635 INCHES MAXIMUM IN
flange_outside_diameter1.3120 INCHES NOMINAL IN
material_document_and_classificationMIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN3120-00-005-5690
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: A51B25502-12 · 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
•
SURFACE FINISH: 125.0 MICROINCHES INTERMEDIATE LAYER
•
CORNER SHAPE: SQUARE INSIDE RIGHT CORNER
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 2,CL 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
TECHNICAL CHARACTERISTICS
SURFACE FINISH125.0 MICROINCHES INTERMEDIATE LAYER
CORNER SHAPESQUARE INSIDE RIGHT CORNER
CORNER SHAPESQUARE LEFT FLANGE BODY CORNER
CORNER SHAPESQUARE OUTSIDE RIGHT CORNER
CORNER SHAPESQUARE OUTSIDE LEFT CORNER
CORNER SHAPESQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
CORNER SHAPESQUARE INSIDE LEFT CORNER
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
FLANGE OUTSIDE DIAMETER1.3120 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER1.0630 INCHES MINIMUM AND 1.0635 INCHES MAXIMUM IN
OTHER ITEMS IN FSC 3120 — Bearings, Plain, Unmounted
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3120-00-001-1288 3120-00-001-1835 3120-00-001-1838 3120-00-001-1928 3120-00-001-1934 3120-00-001-3933 3120-00-001-3937 3120-00-001-3938
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is A51B25502-12?
A51B25502-12 is a BUSHING,SLEEVE.
What is the NSN for A51B25502-12?
A51B25502-12 is cataloged in the U.S. Government catalog under NSN 3120-00-005-5690. This indicates validated use in U.S. government and defense supply chains.
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