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3728-1040-1 — BUSHING,SLEEVE

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

3728-1040-1: BUSHING,SLEEVE.

The BUSHING,SLEEVE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, corner_shape: SQUARE ALL CORNERS, overall_length: 1.4250 INCHES MINIMUM AND 1.4300 INCHES MAXIMUM IN, hardness_rating: 60.0 ROCKWELL C MINIMUM AND 61.0 ROCKWELL C MAXIMUM OVERALL, style_designator: SOLID, PLAIN, NO OUTSIDE FLANGES, body_inside_diameter: 1.0010 INCHES MINIMUM AND 1.0030 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-421-2484, 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
3728-1040-1
NSN: 3120-00-421-2484
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 04614 — TEXTRON SYSTEMS CORPORATION DBA TEXTRON SYSTEMS CORP (USA)
SPECIFICATIONS
materialSTEEL OVERALL
corner_shapeSQUARE ALL CORNERS
overall_length1.4250 INCHES MINIMUM AND 1.4300 INCHES MAXIMUM IN
hardness_rating60.0 ROCKWELL C MINIMUM AND 61.0 ROCKWELL C MAXIMUM OVERALL
style_designatorSOLID, PLAIN, NO OUTSIDE FLANGES
body_inside_diameter1.0010 INCHES MINIMUM AND 1.0030 INCHES MAXIMUM IN
body_outside_diameter1.1883 INCHES MINIMUM AND 1.1887 INCHES MAXIMUM IN
NSN3120-00-421-2484
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 3728-1040-1 · 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
•
CORNER SHAPE: SQUARE ALL CORNERS
•
BODY OUTSIDE DIAMETER: 1.1883 INCHES MINIMUM AND 1.1887 INCHES MAXIMUM IN
•
HARDNESS RATING: 60.0 ROCKWELL C MINIMUM AND 61.0 ROCKWELL C MAXIMUM OVERALL
•
STYLE DESIGNATOR: SOLID, PLAIN, NO OUTSIDE FLANGES
•
BODY INSIDE DIAMETER: 1.0010 INCHES MINIMUM AND 1.0030 INCHES MAXIMUM IN
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
CORNER SHAPESQUARE ALL CORNERS
BODY OUTSIDE DIAMETER1.1883 INCHES MINIMUM AND 1.1887 INCHES MAXIMUM IN
HARDNESS RATING60.0 ROCKWELL C MINIMUM AND 61.0 ROCKWELL C MAXIMUM OVERALL
STYLE DESIGNATORSOLID, PLAIN, NO OUTSIDE FLANGES
OVERALL LENGTH1.4250 INCHES MINIMUM AND 1.4300 INCHES MAXIMUM IN
BODY INSIDE DIAMETER1.0010 INCHES MINIMUM AND 1.0030 INCHES MAXIMUM IN
MATERIALSTEEL OVERALL
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: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3728-1040-1?
3728-1040-1 is a BUSHING,SLEEVE.
What is the NSN for 3728-1040-1?
3728-1040-1 is cataloged in the U.S. Government catalog under NSN 3120-00-421-2484. 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.