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ST4M130-12021 — BUSHING,SLEEVE

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

ST4M130-12021: BUSHING,SLEEVE.

The BUSHING,SLEEVE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 172 OR COPPER ALLOY 173 OVERALL, corner_shape: SQUARE ALL CORNERS, flange_width: 0.0500 INCHES MINIMUM AND 0.0700 INCHES MAXIMUM IN, overall_length: 0.6200 INCHES NOMINAL IN, style_designator: SOLID, EXTERNAL FLANGE ONE END, body_inside_diameter: 0.7495 INCHES MINIMUM AND 0.7510 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 3120-01-377-0728, 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
ST4M130-12021
NSN: 3120-01-377-0728
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 65910 — MAYDAY MANUFACTURING CO. (USA)
SPECIFICATIONS
materialCOPPER ALLOY 172 OR COPPER ALLOY 173 OVERALL
corner_shapeSQUARE ALL CORNERS
flange_width0.0500 INCHES MINIMUM AND 0.0700 INCHES MAXIMUM IN
overall_length0.6200 INCHES NOMINAL IN
style_designatorSOLID, EXTERNAL FLANGE ONE END
body_inside_diameter0.7495 INCHES MINIMUM AND 0.7510 INCHES MAXIMUM IN
body_outside_diameter0.8757 INCHES MINIMUM AND 0.8767 INCHES MAXIMUM IN
flange_outside_diameter1.1200 INCHES MINIMUM AND 1.1400 INCHES MAXIMUM IN
material_document_and_classificationQQ-C-530 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN3120-01-377-0728
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: ST4M130-12021 · 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: 1.1200 INCHES MINIMUM AND 1.1400 INCHES MAXIMUM IN
•
BODY OUTSIDE DIAMETER: 0.8757 INCHES MINIMUM AND 0.8767 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: SOLID, EXTERNAL FLANGE ONE END
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-C-530 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
BODY INSIDE DIAMETER: 0.7495 INCHES MINIMUM AND 0.7510 INCHES MAXIMUM IN
•
FLANGE WIDTH: 0.0500 INCHES MINIMUM AND 0.0700 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
CORNER SHAPESQUARE ALL CORNERS
FLANGE OUTSIDE DIAMETER1.1200 INCHES MINIMUM AND 1.1400 INCHES MAXIMUM IN
BODY OUTSIDE DIAMETER0.8757 INCHES MINIMUM AND 0.8767 INCHES MAXIMUM IN
STYLE DESIGNATORSOLID, EXTERNAL FLANGE ONE END
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-C-530 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
OVERALL LENGTH0.6200 INCHES NOMINAL IN
BODY INSIDE DIAMETER0.7495 INCHES MINIMUM AND 0.7510 INCHES MAXIMUM IN
FLANGE WIDTH0.0500 INCHES MINIMUM AND 0.0700 INCHES MAXIMUM IN
MATERIALCOPPER ALLOY 172 OR COPPER ALLOY 173 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 ST4M130-12021?
ST4M130-12021 is a BUSHING,SLEEVE.
What is the NSN for ST4M130-12021?
ST4M130-12021 is cataloged in the U.S. Government catalog under NSN 3120-01-377-0728. 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.