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SS4091-12-38 — BUSHING,SLEEVE

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

SS4091-12-38: BUSHING,SLEEVE.

The BUSHING,SLEEVE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 8630 OR STEEL COMP 4130 OVERALL, flange_width: 0.0570 INCHES MINIMUM AND 0.0670 INCHES MAXIMUM IN, overall_length: 3.7950 INCHES MINIMUM AND 3.8050 INCHES MAXIMUM IN, body_inside_diameter: 0.7500 INCHES MINIMUM AND 0.7515 INCHES MAXIMUM IN, body_outside_diameter: 0.9383 INCHES MINIMUM AND 0.9393 INCHES MAXIMUM IN, flange_outside_diameter: 1.2400 INCHES MINIMUM AND 1.2600 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 3120-01-306-3569, 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
SS4091-12-38
NSN: 3120-01-306-3569
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 78286 — SIKORSKY AIRCRAFT CORPORATION DBA SIKORSKY AIRCRAFT CORP (USA)
SPECIFICATIONS
materialSTEEL COMP 8630 OR STEEL COMP 4130 OVERALL
flange_width0.0570 INCHES MINIMUM AND 0.0670 INCHES MAXIMUM IN
overall_length3.7950 INCHES MINIMUM AND 3.8050 INCHES MAXIMUM IN
body_inside_diameter0.7500 INCHES MINIMUM AND 0.7515 INCHES MAXIMUM IN
body_outside_diameter0.9383 INCHES MINIMUM AND 0.9393 INCHES MAXIMUM IN
flange_outside_diameter1.2400 INCHES MINIMUM AND 1.2600 INCHES MAXIMUM IN
NSN3120-01-306-3569
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: SS4091-12-38 · 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
•
FLANGE OUTSIDE DIAMETER: 1.2400 INCHES MINIMUM AND 1.2600 INCHES MAXIMUM IN
•
BODY OUTSIDE DIAMETER: 0.9383 INCHES MINIMUM AND 0.9393 INCHES MAXIMUM IN
•
BODY INSIDE DIAMETER: 0.7500 INCHES MINIMUM AND 0.7515 INCHES MAXIMUM IN
•
FLANGE WIDTH: 0.0570 INCHES MINIMUM AND 0.0670 INCHES MAXIMUM IN
•
MATERIAL: STEEL COMP 8630 OR STEEL COMP 4130 OVERALL
TECHNICAL CHARACTERISTICS
FLANGE OUTSIDE DIAMETER1.2400 INCHES MINIMUM AND 1.2600 INCHES MAXIMUM IN
BODY OUTSIDE DIAMETER0.9383 INCHES MINIMUM AND 0.9393 INCHES MAXIMUM IN
OVERALL LENGTH3.7950 INCHES MINIMUM AND 3.8050 INCHES MAXIMUM IN
BODY INSIDE DIAMETER0.7500 INCHES MINIMUM AND 0.7515 INCHES MAXIMUM IN
FLANGE WIDTH0.0570 INCHES MINIMUM AND 0.0670 INCHES MAXIMUM IN
MATERIALSTEEL COMP 8630 OR STEEL COMP 4130 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 SS4091-12-38?
SS4091-12-38 is a BUSHING,SLEEVE.
What is the NSN for SS4091-12-38?
SS4091-12-38 is cataloged in the U.S. Government catalog under NSN 3120-01-306-3569. 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.