The Bearing,roller,cylindrical, cataloged under National Stock Number 3110-01-347-5093, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Rolls-Royce Corporation. Government technical data includes 18 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-347-5093 |
| Primary Part Number | M250-10109 |
| Item Name | Bearing,roller,cylindrical |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Rolls-Royce Corporation |
| Status | ACTIVE |
| Retainer Fabrication Method | MACHINED |
| Surface Treatment Document and Classification | AMS 2410 ASSN STD SINGLE TREATMENT RESPONSE RETAINER |
| Locating Feature | ONE DIRECTION |
| Surface Finish | GROUND |
| Precious Material | SILVER |
| Style Designator | SINGLE ROW, ONE-DIRECTION LOCATING, TWO LIP INNER RING, ONE LIP OUTER RING, SEPARABLE |
| Material Document and Classification | AMS 6415 ASSN STD SINGLE MATERIAL RESPONSE RETAINER |
| Material Document and Classification | AMS 6491 ASSN STD SINGLE MATERIAL RESPONSE OUTER RING |
| Material Document and Classification | AMS 6491 ASSN STD SINGLE MATERIAL RESPONSE INNER RING |
| Overall Outside Diameter | 2.6769 INCHES MINIMUM AND 2.6772 INCHES MAXIMUM IN |
| Bore Shape | STRAIGHT |
| Surface Treatment | SILVER RETAINER |
| Precious Material and Location | PLATED RETAINER SILVER |
| Bore Diameter | 1.5746 INCHES MINIMUM AND 1.5748 INCHES MAXIMUM IN |
| Material | STEEL COMP 4340 RETAINER |
| Material | STEEL COMP M50 ROLLER |
| Material | STEEL COMP M50 OUTER RING |
| Material | STEEL COMP M50 INNER RING |
| 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 |
|---|---|
| M250-10109 | Boeing Distribution, Inc. (USA) |
| M250-10109 PRIMARY | Rolls-Royce Corporation (USA) |
| Reference | Meaning |
|---|---|
| 23053297 | 5/9 Secondary reference Rolls-Royce Corporation |
| 5RFH108-143 | 5/1 Secondary reference Mpb Corporation Dba Mpb Corp |
| 23053297 | 5/9 Secondary reference Mpb Corporation Dba Mpb Corp |
| 23053297 | 5/9 Secondary reference Boeing Distribution, Inc. |
NSN 3110-01-347-5093 is a Bearing,roller,cylindrical, manufactured by Rolls-Royce Corporation, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-347-5093 has 2 manufacturer part numbers on file: M250-10109 (Boeing Distribution, Inc.), M250-10109 (Rolls-Royce Corporation).
Key specifications for M250-10109: Retainer Fabrication Method: MACHINED; Surface Treatment Document and Classification: AMS 2410 ASSN STD SINGLE TREATMENT RESPONSE RETAINER; Locating Feature: ONE DIRECTION; Surface Finish: GROUND. 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.