The Bearing,ball,rod End, cataloged under National Stock Number 3110-01-229-5253, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Roller Bearing Company of America, Inc.. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Bearing,ball,rod End |
| FSC / FSG | 3110 — Bearings, Antifriction, Unmounted (FSG 31) |
| Manufacturers | The Boeing Company Div Defense (CAGE 76301); Roller Bearing Company of America, Inc. (CAGE 73134) |
| Parameter | Value |
|---|---|
| NSN | 3110-01-229-5253 |
| Primary Part Number | 4M251-2 |
| Item Name | Bearing,ball,rod End |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Roller Bearing Company of America, Inc. |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 4M251-2 | The Boeing Company Div Defense (USA) |
| 4M251-2 PRIMARY | Roller Bearing Company of America, Inc. (USA) |
| Reference | Meaning |
|---|---|
| REP4M7-3FS464 | 5/1 Secondary reference Roller Bearing Company of America, Inc. |
| REP4M7-3FS464 | 5/9 Secondary reference Timken Co Div the Timken Company |
| REP4M7-3FS428 | 5/9 Secondary reference Timken Co Div the Timken Company |
NSN 3110-01-229-5253 is a Bearing,ball,rod End, manufactured by Roller Bearing Company of America, Inc., classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-229-5253 has 2 manufacturer part numbers on file: 4M251-2 (The Boeing Company Div Defense), 4M251-2 (Roller Bearing Company of America, Inc.).
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.