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211028740 — BUSHING,SLEEVE

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

211028740: BUSHING,SLEEVE.

The BUSHING,SLEEVE is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY 400 OVERALL, flange_width: 0.1250 INCHES NOMINAL IN, overall_length: 0.6250 INCHES NOMINAL IN, body_inside_diameter: 1.0380 INCHES NOMINAL IN, body_outside_diameter: 1.3759 INCHES MINIMUM AND 1.3763 INCHES MAXIMUM IN, flange_outside_diameter: 1.6250 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 3120-01-436-0705, 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
211028740
NSN: 3120-01-436-0705
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialNICKEL ALLOY 400 OVERALL
flange_width0.1250 INCHES NOMINAL IN
overall_length0.6250 INCHES NOMINAL IN
body_inside_diameter1.0380 INCHES NOMINAL IN
body_outside_diameter1.3759 INCHES MINIMUM AND 1.3763 INCHES MAXIMUM IN
flange_outside_diameter1.6250 INCHES NOMINAL IN
material_document_and_classificationQQ-N-281, CL A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN3120-01-436-0705
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 211028740 · 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
•
FLANGE OUTSIDE DIAMETER: 1.6250 INCHES NOMINAL IN
•
BODY OUTSIDE DIAMETER: 1.3759 INCHES MINIMUM AND 1.3763 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-N-281, CL A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
BODY INSIDE DIAMETER: 1.0380 INCHES NOMINAL IN
•
FLANGE WIDTH: 0.1250 INCHES NOMINAL IN
•
MATERIAL: NICKEL ALLOY 400 OVERALL
TECHNICAL CHARACTERISTICS
FLANGE OUTSIDE DIAMETER1.6250 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER1.3759 INCHES MINIMUM AND 1.3763 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281, CL A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
OVERALL LENGTH0.6250 INCHES NOMINAL IN
BODY INSIDE DIAMETER1.0380 INCHES NOMINAL IN
FLANGE WIDTH0.1250 INCHES NOMINAL IN
MATERIALNICKEL ALLOY 400 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 211028740?
211028740 is a BUSHING,SLEEVE.
What is the NSN for 211028740?
211028740 is cataloged in the U.S. Government catalog under NSN 3120-01-436-0705. 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.