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4B19C6-008 — BUSHING,SLEEVE

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

4B19C6-008: BUSHING,SLEEVE.

The BUSHING,SLEEVE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 630 OVERALL, corner_shape: SQUARE ALL CORNERS, overall_length: 0.2350 INCHES MINIMUM AND 0.2400 INCHES MAXIMUM IN, surface_finish: 125.0 MICROINCHES INTERMEDIATE LAYER, style_designator: SOLID, PLAIN, NO OUTSIDE FLANGES, body_inside_diameter: 0.3745 INCHES MINIMUM AND 0.3755 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-686-5976, 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
4B19C6-008
NSN: 3120-00-686-5976
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 43999 — THE BOEING COMPANY DIV LEGACY AM&M (USA)
SPECIFICATIONS
materialSTEEL COMP 630 OVERALL
corner_shapeSQUARE ALL CORNERS
overall_length0.2350 INCHES MINIMUM AND 0.2400 INCHES MAXIMUM IN
surface_finish125.0 MICROINCHES INTERMEDIATE LAYER
style_designatorSOLID, PLAIN, NO OUTSIDE FLANGES
body_inside_diameter0.3745 INCHES MINIMUM AND 0.3755 INCHES MAXIMUM IN
body_outside_diameter0.5010 INCHES MINIMUM AND 0.5015 INCHES MAXIMUM IN
material_document_and_classificationAMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN3120-00-686-5976
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 4B19C6-008 · 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 ALL CORNERS
•
BODY OUTSIDE DIAMETER: 0.5010 INCHES MINIMUM AND 0.5015 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: SOLID, PLAIN, NO OUTSIDE FLANGES
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
BODY INSIDE DIAMETER: 0.3745 INCHES MINIMUM AND 0.3755 INCHES MAXIMUM IN
•
MATERIAL: STEEL COMP 630 OVERALL
TECHNICAL CHARACTERISTICS
SURFACE FINISH125.0 MICROINCHES INTERMEDIATE LAYER
CORNER SHAPESQUARE ALL CORNERS
BODY OUTSIDE DIAMETER0.5010 INCHES MINIMUM AND 0.5015 INCHES MAXIMUM IN
STYLE DESIGNATORSOLID, PLAIN, NO OUTSIDE FLANGES
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OVERALL LENGTH0.2350 INCHES MINIMUM AND 0.2400 INCHES MAXIMUM IN
BODY INSIDE DIAMETER0.3745 INCHES MINIMUM AND 0.3755 INCHES MAXIMUM IN
MATERIALSTEEL COMP 630 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: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 4B19C6-008?
4B19C6-008 is a BUSHING,SLEEVE.
What is the NSN for 4B19C6-008?
4B19C6-008 is cataloged in the U.S. Government catalog under NSN 3120-00-686-5976. 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.