The Plate,retaining,bearing, cataloged under National Stock Number 3110-01-212-3550, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. Government technical data includes 18 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-212-3550 |
| Item Name | Plate,retaining,bearing |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Status | ACTIVE |
| Minor Thickness | 0.375 INCHES NOMINAL IN |
| Raised Surface Height | 0.122 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN |
| Bolt Circle Hole Quantity | 4 |
| Mounting Hole Type | ROUND, THREADED |
| Counterbore Diameter | 3.625 INCHES NOMINAL IN |
| Counterbore Depth | 0.122 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN |
| Mounting Hole Arrangement Style | SINGLE BOLT HOLE CIRCLE |
| Overall Thickness | 0.500 INCHES NOMINAL IN |
| Style Designator | ROUND |
| Cross-Sectional Shape Style | RAISED SURFACE W/APERTURE |
| Outside Diameter | 4.953 INCHES MINIMUM AND 4.969 INCHES MAXIMUM IN |
| Aperture Diameter | 2.145 INCHES MINIMUM AND 2.150 INCHES MAXIMUM IN |
| Nominal Thread Size | 0.313 INCHES IN |
| Mounting Bolt Circle Diameter | 4.500 INCHES NOMINAL IN |
| Outside Raised Surface Diameter | 3.932 INCHES MINIMUM AND 3.937 INCHES MAXIMUM IN |
| Thread Quantity Per Inch | 18 |
| Material | IRON CAST OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| 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 |
|---|---|
| A-19070-1 | C/1 Advisory reference — outside the item-of-supply concept Bogue Systems Inc Dba Bogue Systems Inc |
| A-19070-1 | 3/9 Design control — primary reference Bogue Electric Manufacturing Co |
NSN 3110-01-212-3550 is a Plate,retaining,bearing, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
Key specifications for 3110-01-212-3550: Minor Thickness: 0.375 INCHES NOMINAL IN; Raised Surface Height: 0.122 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN; Bolt Circle Hole Quantity: 4; Mounting Hole Type: ROUND, THREADED. 18 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.