The Plate,retaining,bearing, cataloged under National Stock Number 3110-01-122-2104, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-122-2104 |
| Item Name | Plate,retaining,bearing |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Status | ACTIVE |
| Raised Surface Height | 1.125 INCHES NOMINAL IN |
| Bolt Circle Hole Quantity | 8 |
| Mounting Hole Type | ROUND, UNTHREADED |
| Counterbore Diameter | 2.562 INCHES NOMINAL IN |
| Counterbore Depth | 0.123 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN |
| Mounting Hole Arrangement Style | SINGLE BOLT HOLE CIRCLE |
| Mounting Hole Diameter | 0.562 INCHES NOMINAL IN |
| Outside Diameter | 9.000 INCHES NOMINAL IN |
| Aperture Diameter | 2.000 INCHES MINIMUM AND 2.001 INCHES MAXIMUM IN |
| Mounting Bolt Circle Diameter | 8.000 INCHES NOMINAL IN |
| Outside Raised Surface Diameter | 7.122 INCHES MINIMUM AND 7.124 INCHES MAXIMUM IN |
| Material | STEEL OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 810-4384539 PIECE 41 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3110-01-122-2104 is a Plate,retaining,bearing, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
Key specifications for 3110-01-122-2104: Raised Surface Height: 1.125 INCHES NOMINAL IN; Bolt Circle Hole Quantity: 8; Mounting Hole Type: ROUND, UNTHREADED; Counterbore Diameter: 2.562 INCHES NOMINAL IN. 12 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.