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301087 — BUSHING,SLEEVE

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

301087: BUSHING,SLEEVE.

The BUSHING,SLEEVE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 8640 OR STEEL COMP 8740 OR STEEL COMP 4140, thread_class: 3A STUD THREAD A, thread_length: 0.150 INCHES NOMINAL STUD THREAD IN, overall_length: 6.840 INCHES NOMINAL IN, shoulder_length: 0.155 INCHES MINIMUM AND 0.160 INCHES MAXIMUM IN, style_designator: SHOULDERED. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-662-2351, 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
301087
NSN: 3120-00-662-2351
NIINs: 006622351, 007521247
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 32195 — OUTBOARD MARINE CORP JOHNSON MOTORS DIV (USA)
SPECIFICATIONS
materialSTEEL COMP 8640 OR STEEL COMP 8740 OR STEEL COMP 4140
thread_class3A STUD THREAD A
thread_length0.150 INCHES NOMINAL STUD THREAD IN
overall_length6.840 INCHES NOMINAL IN
shoulder_length0.155 INCHES MINIMUM AND 0.160 INCHES MAXIMUM IN
style_designatorSHOULDERED
thread_directionRIGHT-HAND NUT THREAD
shoulder_diameter0.843 INCHES MINIMUM AND 0.845 INCHES MAXIMUM IN
nominal_thread_size0.625 INCHES STUD THREAD IN
nut_end_shank_length2.933 INCHES NOMINAL IN
stud_end_shank_diameter0.500 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
cotter_pin_hole_diameter0.063 INCHES NOMINAL FIRST HOLE IN
NSN3120-00-662-2351
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 301087 · 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
•
BODY OUTSIDE DIAMETER: 0.3700 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: SOLID, PLAIN, NO OUTSIDE FLANGES
•
BODY INSIDE DIAMETER: 0.3200 INCHES MINIMUM AND 0.3250 INCHES MAXIMUM IN
•
MATERIAL: COPPER ALLOY OVERALL
TECHNICAL CHARACTERISTICS
CORNER SHAPESQUARE ALL CORNERS
BODY OUTSIDE DIAMETER0.3700 INCHES MINIMUM AND 0.3750 INCHES MAXIMUM IN
STYLE DESIGNATORSOLID, PLAIN, NO OUTSIDE FLANGES
OVERALL LENGTH1.0000 INCHES NOMINAL IN
BODY INSIDE DIAMETER0.3200 INCHES MINIMUM AND 0.3250 INCHES MAXIMUM IN
MATERIALCOPPER ALLOY OVERALL
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 301087?
301087 is a BUSHING,SLEEVE.
What is the NSN for 301087?
301087 is cataloged in the U.S. Government catalog under NSN 3120-00-662-2351. 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.