The Plate,retaining,bearing, cataloged under National Stock Number 3110-01-149-5259, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. Government technical data includes 22 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3110-01-149-5259 |
| Item Name | Plate,retaining,bearing |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Status | ACTIVE |
| Surface Finish | 63.0 MICROINCHES APERTURE |
| Surface Finish | 63.0 MICROINCHES INNER FACE AS MOUNTED |
| Surface Finish | 63.0 MICROINCHES RAISED SURFACE |
| Minor Thickness | 0.813 INCHES NOMINAL IN |
| Raised Surface Height | 0.438 INCHES NOMINAL IN |
| Bolt Circle Hole Quantity | 8 |
| Mounting Hole Type | ROUND, THREADED |
| Mounting Hole Arrangement Style | SINGLE BOLT HOLE CIRCLE |
| Overall Thickness | 0.875 INCHES NOMINAL IN |
| Style Designator | ROUND |
| Material Document and Classification | EMD 237,FSCM 95402 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECESSED W/ APERTURE |
| Outside Diameter | 6.969 INCHES MINIMUM AND 7.000 INCHES MAXIMUM IN |
| Recess Depth | 0.500 INCHES NOMINAL IN |
| Aperture Diameter | 2.885 INCHES MINIMUM AND 2.889 INCHES MAXIMUM IN |
| Nominal Thread Size | 0.375 INCHES IN |
| Recess Diameter | 4.500 INCHES NOMINAL IN |
| Mounting Bolt Circle Diameter | 6.125 INCHES NOMINAL IN |
| Outside Raised Surface Diameter | 3.375 INCHES NOMINAL IN |
| Thread Quantity Per Inch | 16 |
| Material | STEEL 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 |
|---|---|
| 901229-0-04 | 3/9 Design control — primary reference U.S. Government activity |
| 3444-9 ITEM 21 | 5/9 Secondary reference U.S. Government activity |
NSN 3110-01-149-5259 is a Plate,retaining,bearing, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
Key specifications for 3110-01-149-5259: Surface Finish: 63.0 MICROINCHES APERTURE; Surface Finish: 63.0 MICROINCHES INNER FACE AS MOUNTED; Surface Finish: 63.0 MICROINCHES RAISED SURFACE; Minor Thickness: 0.813 INCHES NOMINAL IN. 22 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.