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363890 — HOLDER

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

363890: HOLDER.

The HOLDER is a the manufacturer industrial component. Key specifications include material: STEEL COMP 440C OVERALL, corner_shape: SQUARE INSIDE LEFT CORNER, overall_length: 1.2050 INCHES MINIMUM AND 1.2100 INCHES MAXIMUM IN, hardness_rating: 56.0 ROCKWELL C NOMINAL OVERALL, style_designator: SOLID, body_inside_diameter: 0.7486 INCHES MINIMUM AND 0.7506 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-141-9724, 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
MRO→ MRO_GENERAL→ 363890
NSN: 3120-00-141-9724
NIINs: 001419724, 011006635
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 81205 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
materialSTEEL COMP 440C OVERALL
corner_shapeSQUARE INSIDE LEFT CORNER
overall_length1.2050 INCHES MINIMUM AND 1.2100 INCHES MAXIMUM IN
hardness_rating56.0 ROCKWELL C NOMINAL OVERALL
style_designatorSOLID
body_inside_diameter0.7486 INCHES MINIMUM AND 0.7506 INCHES MAXIMUM IN
spherical_body_diameter1.5995 INCHES MINIMUM AND 1.6000 INCHES MAXIMUM IN
NSN3120-00-141-9724
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 363890 · 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 INSIDE RIGHT CORNER
•
HARDNESS RATING: 56.0 ROCKWELL C NOMINAL OVERALL
•
STYLE DESIGNATOR: SOLID
•
BODY INSIDE DIAMETER: 0.7486 INCHES MINIMUM AND 0.7506 INCHES MAXIMUM IN
•
MATERIAL: STEEL COMP 440C OVERALL
•
SPHERICAL BODY DIAMETER: 1.5995 INCHES MINIMUM AND 1.6000 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
CORNER SHAPESQUARE INSIDE RIGHT CORNER
CORNER SHAPESQUARE INSIDE LEFT CORNER
HARDNESS RATING56.0 ROCKWELL C NOMINAL OVERALL
STYLE DESIGNATORSOLID
OVERALL LENGTH1.2050 INCHES MINIMUM AND 1.2100 INCHES MAXIMUM IN
BODY INSIDE DIAMETER0.7486 INCHES MINIMUM AND 0.7506 INCHES MAXIMUM IN
MATERIALSTEEL COMP 440C OVERALL
SPHERICAL BODY DIAMETER1.5995 INCHES MINIMUM AND 1.6000 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 363890?
363890 is a HOLDER. It is classified as a MRO (MRO_GENERAL).
What is the NSN for 363890?
363890 is cataloged in the U.S. Government catalog under NSN 3120-00-141-9724. 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.