The Plate,retaining,bearing, cataloged under National Stock Number 3110-01-289-7867, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-289-7867 |
| Primary Part Number | 845-2050944 PIECE 6 |
| Item Name | Plate,retaining,bearing |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Surface Finish | 32.0 MICROINCHES BORE |
| Surface Finish | 64.0 MICROINCHES OUTSIDE DIAMETER |
| Raised Surface Height | 0.7500 INCHES NOMINAL IN |
| Mounting Hole Type | ROUND, UNTHREADED |
| Mounting Hole Arrangement Style | FOUR HOLES |
| Overall Thickness | 1.8750 INCHES NOMINAL IN |
| Style Designator | ROUND |
| Material Document and Classification | MIL-M-16576 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Mounting Hole Diameter | 0.4375 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | RAISED SURFACE W/ APERTURE |
| Outside Diameter | 3.0000 INCHES NOMINAL IN |
| Aperture Diameter | 1.2520 INCHES MINIMUM AND 1.2540 INCHES MAXIMUM IN |
| Outside Raised Surface Diameter | 1.8710 INCHES MINIMUM AND 1.8730 INCHES MAXIMUM IN |
| Material | COPPER ALLOY 903 OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 845-2050944 PIECE 6 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 2640-601 PIECE 6 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3110-01-289-7867 is a Plate,retaining,bearing, manufactured by Naval Sea Systems Command, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-289-7867 has 1 manufacturer part number on file: 845-2050944 PIECE 6 (Naval Sea Systems Command).
Key specifications for 845-2050944 PIECE 6: Surface Finish: 32.0 MICROINCHES BORE; Surface Finish: 64.0 MICROINCHES OUTSIDE DIAMETER; Raised Surface Height: 0.7500 INCHES NOMINAL IN; Mounting Hole Type: ROUND, UNTHREADED. 14 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.