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312019-2 — BUSHING,SLEEVE

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

312019-2: BUSHING,SLEEVE.

The BUSHING,SLEEVE is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 6061 OVERALL, corner_shape: SQUARE ALL CORNERS, flange_width: 0.0600 INCHES NOMINAL IN, overall_length: 0.1300 INCHES NOMINAL IN, body_inside_diameter: 0.1150 INCHES MINIMUM AND 0.1200 INCHES MAXIMUM IN, body_outside_diameter: 0.1800 INCHES MINIMUM AND 0.1850 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 3120-01-025-0337, 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
312019-2
NSN: 3120-01-025-0337
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 26916 — NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN SYSTEMS CORP DIV MULTIPLE (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 6061 OVERALL
corner_shapeSQUARE ALL CORNERS
flange_width0.0600 INCHES NOMINAL IN
overall_length0.1300 INCHES NOMINAL IN
body_inside_diameter0.1150 INCHES MINIMUM AND 0.1200 INCHES MAXIMUM IN
body_outside_diameter0.1800 INCHES MINIMUM AND 0.1850 INCHES MAXIMUM IN
flange_outside_diameter0.3800 INCHES NOMINAL IN
material_document_and_classificationQQ-A-225/8,T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN3120-01-025-0337
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 312019-2 · 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
•
FLANGE OUTSIDE DIAMETER: 0.3800 INCHES NOMINAL IN
•
BODY OUTSIDE DIAMETER: 0.1800 INCHES MINIMUM AND 0.1850 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-225/8,T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
BODY INSIDE DIAMETER: 0.1150 INCHES MINIMUM AND 0.1200 INCHES MAXIMUM IN
•
FLANGE WIDTH: 0.0600 INCHES NOMINAL IN
•
MATERIAL: ALUMINUM ALLOY 6061 OVERALL
TECHNICAL CHARACTERISTICS
CORNER SHAPESQUARE ALL CORNERS
FLANGE OUTSIDE DIAMETER0.3800 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER0.1800 INCHES MINIMUM AND 0.1850 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/8,T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
OVERALL LENGTH0.1300 INCHES NOMINAL IN
BODY INSIDE DIAMETER0.1150 INCHES MINIMUM AND 0.1200 INCHES MAXIMUM IN
FLANGE WIDTH0.0600 INCHES NOMINAL IN
MATERIALALUMINUM ALLOY 6061 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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 312019-2?
312019-2 is a BUSHING,SLEEVE.
What is the NSN for 312019-2?
312019-2 is cataloged in the U.S. Government catalog under NSN 3120-01-025-0337. 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.