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3-51115-1 — BUSHING,SLEEVE

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

3-51115-1: BUSHING,SLEEVE.

The BUSHING,SLEEVE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4130 OVERALL, corner_shape: SQUARE INSIDE LEFT CORNER, flange_width: 0.0800 INCHES MINIMUM AND 0.0900 INCHES MAXIMUM IN, hole_diameter: 0.2210 INCHES NOMINAL FIRST IN, overall_length: 0.8900 INCHES MINIMUM AND 0.9000 INCHES MAXIMUM IN, surface_finish: 125.0 MICROINCHES INTERMEDIATE LAYER. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-902-0533, 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
3-51115-1
NSN: 3120-00-902-0533
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 76823 — NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN IS DIV NORTHROP GRUMMAN AERONAUTICS SYSTEMS (USA)
SPECIFICATIONS
materialSTEEL COMP 4130 OVERALL
corner_shapeSQUARE INSIDE LEFT CORNER
flange_width0.0800 INCHES MINIMUM AND 0.0900 INCHES MAXIMUM IN
hole_diameter0.2210 INCHES NOMINAL FIRST IN
overall_length0.8900 INCHES MINIMUM AND 0.9000 INCHES MAXIMUM IN
surface_finish125.0 MICROINCHES INTERMEDIATE LAYER
style_designatorSOLID, EXTERNAL FLANGE ONE END, INTERIOR FLANGE(S) NOT LOCATED AT EITHER END
body_inside_diameter1.9860 INCHES MINIMUM AND 1.9900 INCHES MAXIMUM IN
body_outside_diameter2.1930 INCHES MINIMUM AND 2.1940 INCHES MAXIMUM IN
interior_flange_width0.1540 INCHES NOMINAL IN
flange_outside_diameter2.3140 INCHES MINIMUM AND 2.3340 INCHES MAXIMUM IN
interior_flange_hole_diameter1.7800 INCHES MINIMUM AND 1.8200 INCHES MAXIMUM IN
NSN3120-00-902-0533
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 3-51115-1 · 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
•
INTERIOR FLANGE HOLE DIAMETER: 1.7800 INCHES MINIMUM AND 1.8200 INCHES MAXIMUM IN
•
SURFACE FINISH: 125.0 MICROINCHES INTERMEDIATE LAYER
•
CORNER SHAPE: SQUARE INSIDE RIGHT CORNER
TECHNICAL CHARACTERISTICS
INTERIOR FLANGE HOLE DIAMETER1.7800 INCHES MINIMUM AND 1.8200 INCHES MAXIMUM IN
SURFACE FINISH125.0 MICROINCHES INTERMEDIATE LAYER
CORNER SHAPESQUARE INSIDE RIGHT CORNER
CORNER SHAPERELIEF GROOVE 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
FLANGE OUTSIDE DIAMETER2.3140 INCHES MINIMUM AND 2.3340 INCHES MAXIMUM IN
BODY OUTSIDE DIAMETER2.1930 INCHES MINIMUM AND 2.1940 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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3-51115-1?
3-51115-1 is a BUSHING,SLEEVE.
What is the NSN for 3-51115-1?
3-51115-1 is cataloged in the U.S. Government catalog under NSN 3120-00-902-0533. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.