The Bearing,ball,annular, cataloged under National Stock Number 3110-01-192-2257, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Mpb Corp Div Timken Super Precision. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Bearing,ball,annular |
| FSC / FSG | 3110 — Bearings, Antifriction, Unmounted (FSG 31) |
| Manufacturers | Mpb Corp Div Timken Super Precision (CAGE 40920); New Hampshire Ball Bearings Inc Div Precision Division (CAGE 50294) |
| Parameter | Value |
|---|---|
| NSN | 3110-01-192-2257 |
| Primary Part Number | SR4FMCHH5P25LG31 |
| Item Name | Bearing,ball,annular |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Mpb Corp Div Timken Super Precision |
| Status | ACTIVE |
| 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 |
|---|---|
| SR4FMCHH5P25LG31 PRIMARY | Mpb Corp Div Timken Super Precision (USA) |
| SSRF-4ZZKCA5P25LG31UB PRIMARY | New Hampshire Ball Bearings Inc Div Precision Division (USA) |
| Reference | Meaning |
|---|---|
| SR4FMCKHH5P25LG-31 | 5/9 Secondary reference Acrison, Inc |
| 930029 | 7/2 Vendor item drawing reference Lockheed Martin Corp Electronics and Missiles Div |
| SR4FMCKHH5P25LG-31 | 5/9 Secondary reference Mpb Corp Div Timken Super Precision |
| SFR45PPTK25/394 | 3/2 Design control — primary reference U.S. Government activity |
| SSRF-4ZZKCA5P25L | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 3110-01-192-2257 is a Bearing,ball,annular, manufactured by Mpb Corp Div Timken Super Precision, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-192-2257 has 2 manufacturer part numbers on file: SR4FMCHH5P25LG31 (Mpb Corp Div Timken Super Precision), SSRF-4ZZKCA5P25LG31UB (New Hampshire Ball Bearings Inc Div Precision Division).
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.