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1891927 — DISPLAY ONE

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

1891927: DISPLAY ONE.

The DISPLAY ONE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, corner_shape: SQUARE ALL CORNERS, overall_length: 0.7450 INCHES MINIMUM AND 0.7550 INCHES MAXIMUM IN, style_designator: SOLID, PLAIN, NO OUTSIDE FLANGES, body_inside_diameter: 0.5635 INCHES MINIMUM AND 0.5645 INCHES MAXIMUM IN, body_outside_diameter: 0.6895 INCHES MINIMUM AND 0.6905 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 3120-01-051-2619, 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→ 1891927
NSN: 3120-01-051-2619
NIINs: 010512619, 012244495
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 24617 — GENERAL MOTORS CORP (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
corner_shapeSQUARE ALL CORNERS
overall_length0.7450 INCHES MINIMUM AND 0.7550 INCHES MAXIMUM IN
style_designatorSOLID, PLAIN, NO OUTSIDE FLANGES
body_inside_diameter0.5635 INCHES MINIMUM AND 0.5645 INCHES MAXIMUM IN
body_outside_diameter0.6895 INCHES MINIMUM AND 0.6905 INCHES MAXIMUM IN
NSN3120-01-051-2619
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 1891927 · 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: 0.6895 INCHES MINIMUM AND 0.6905 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: SOLID, PLAIN, NO OUTSIDE FLANGES
•
BODY INSIDE DIAMETER: 0.5635 INCHES MINIMUM AND 0.5645 INCHES MAXIMUM IN
•
MATERIAL: COPPER ALLOY OVERALL
TECHNICAL CHARACTERISTICS
CORNER SHAPESQUARE ALL CORNERS
BODY OUTSIDE DIAMETER0.6895 INCHES MINIMUM AND 0.6905 INCHES MAXIMUM IN
STYLE DESIGNATORSOLID, PLAIN, NO OUTSIDE FLANGES
OVERALL LENGTH0.7450 INCHES MINIMUM AND 0.7550 INCHES MAXIMUM IN
BODY INSIDE DIAMETER0.5635 INCHES MINIMUM AND 0.5645 INCHES MAXIMUM IN
MATERIALCOPPER ALLOY OVERALL
MATERIALOIL LUBRICATING LUBRICATION
SUBSTITUTES & CROSS-REFERENCES 1
R11212Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
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 1891927?
1891927 is a DISPLAY ONE. It is classified as a MRO (MRO_GENERAL).
What parts can replace 1891927?
There is 1 known substitute for 1891927: R11212. Substitute compatibility should be verified for your specific system.
What is the NSN for 1891927?
1891927 is cataloged in the U.S. Government catalog under NSN 3120-01-051-2619. 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.