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4M98-4-1-26 — BUSHING,SLEEVE

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

4M98-4-1-26: BUSHING,SLEEVE.

The BUSHING,SLEEVE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4130 OVERALL, corner_shape: SQUARE INSIDE LEFT CORNER, flange_width: 0.0300 INCHES MINIMUM AND 0.0350 INCHES MAXIMUM IN, overall_length: 0.2850 INCHES MINIMUM AND 0.3000 INCHES MAXIMUM IN, surface_finish: 125.0 MICROINCHES INTERMEDIATE LAYER, style_designator: SOLID, EXTERNAL FLANGE ONE END. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-421-3301, 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
4M98-4-1-26
NSN: 3120-00-421-3301
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
materialSTEEL COMP 4130 OVERALL
corner_shapeSQUARE INSIDE LEFT CORNER
flange_width0.0300 INCHES MINIMUM AND 0.0350 INCHES MAXIMUM IN
overall_length0.2850 INCHES MINIMUM AND 0.3000 INCHES MAXIMUM IN
surface_finish125.0 MICROINCHES INTERMEDIATE LAYER
style_designatorSOLID, EXTERNAL FLANGE ONE END
surface_treatmentCADMIUM OVERALL
body_inside_diameter0.2540 INCHES MINIMUM AND 0.2570 INCHES MAXIMUM IN
body_outside_diameter0.3131 INCHES MINIMUM AND 0.3136 INCHES MAXIMUM IN
flange_outside_diameter0.3600 INCHES MINIMUM AND 0.3800 INCHES MAXIMUM IN
material_document_and_classificationMIL-S-6758 D MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classificationTYPE 2 CL 3 MFR REF SINGLE TREATMENT RESPONSE OVERALL
NSN3120-00-421-3301
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 4M98-4-1-26 · 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 INSIDE RIGHT CORNER
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: TYPE 2 CL 3 MFR REF SINGLE TREATMENT RESPONSE OVERALL
TECHNICAL CHARACTERISTICS
SURFACE FINISH125.0 MICROINCHES INTERMEDIATE LAYER
CORNER SHAPESQUARE INSIDE RIGHT CORNER
CORNER SHAPESQUARE LEFT FLANGE BODY CORNER
CORNER SHAPESQUARE OUTSIDE RIGHT CORNER
CORNER SHAPESQUARE OUTSIDE LEFT CORNER
CORNER SHAPESQUARE LEFT FLANGE OUTSIDE RIGHT CORNER
CORNER SHAPESQUARE INSIDE LEFT CORNER
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONTYPE 2 CL 3 MFR REF SINGLE TREATMENT RESPONSE OVERALL
FLANGE OUTSIDE DIAMETER0.3600 INCHES MINIMUM AND 0.3800 INCHES MAXIMUM IN
BODY OUTSIDE DIAMETER0.3131 INCHES MINIMUM AND 0.3136 INCHES MAXIMUM IN
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 4M98-4-1-26?
4M98-4-1-26 is a BUSHING,SLEEVE.
What is the NSN for 4M98-4-1-26?
4M98-4-1-26 is cataloged in the U.S. Government catalog under NSN 3120-00-421-3301. This indicates validated use in U.S. government and defense supply chains.
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