The Plate,retaining,bearing, cataloged under National Stock Number 3110-01-422-5255, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Ontic Engineering and Manufacturing, Inc.. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-422-5255 |
| Primary Part Number | 28003 |
| Item Name | Plate,retaining,bearing |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Ontic Engineering and Manufacturing, Inc. |
| Status | ACTIVE |
| Overall Thickness | 0.2500 INCHES NOMINAL IN |
| Style Designator | ROUND |
| Outside Diameter | 2.7000 INCHES NOMINAL IN |
| Aperture Diameter | 1.4000 INCHES NOMINAL IN |
| Material | STEEL COMP XM-12 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 |
|---|---|
| 28003 PRIMARY | Ontic Engineering and Manufacturing, Inc. (USA) |
| 28003 | Ge Aviation Systems Llc Dba Ge Aviation Systems Llc (USA) |
| Reference | Meaning |
|---|---|
| 28003 | 3/9 Design control — primary reference Ge Aviation Systems Llc Dba Ge Aviation |
| 28003 525 | 5/9 Secondary reference Ge Aviation Systems Llc Dba Ge Aviation Systems Llc |
NSN 3110-01-422-5255 is a Plate,retaining,bearing, manufactured by Ontic Engineering and Manufacturing, Inc., classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-422-5255 has 2 manufacturer part numbers on file: 28003 (Ontic Engineering and Manufacturing, Inc.), 28003 (Ge Aviation Systems Llc Dba Ge Aviation Systems Llc).
Key specifications for 28003: Overall Thickness: 0.2500 INCHES NOMINAL IN; Style Designator: ROUND; Outside Diameter: 2.7000 INCHES NOMINAL IN; Aperture Diameter: 1.4000 INCHES NOMINAL IN. 5 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.