The Bearing,ball,annular, cataloged under National Stock Number 3110-01-232-2820, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is New Hampshire Ball Bearings Inc Div Precision Division. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Item Name | Bearing,ball,annular |
| FSC / FSG | 3110 — Bearings, Antifriction, Unmounted (FSG 31) |
| Manufacturers | New Hampshire Ball Bearings Inc Div Precision Division (CAGE 50294); Mpb Corp Div Timken Super Precision (CAGE 40920) |
| Parameter | Value |
|---|---|
| NSN | 3110-01-232-2820 |
| Primary Part Number | SSR1-5LLRA3P28L01 |
| Item Name | Bearing,ball,annular |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | New Hampshire Ball Bearings Inc Div Precision Division |
| 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 |
|---|---|
| SSR1-5LLRA3P28L01 PRIMARY | New Hampshire Ball Bearings Inc Div Precision Division (USA) |
| S5CZZ3P25L01 PRIMARY | Mpb Corp Div Timken Super Precision (USA) |
| SR1-53LL3K25/7 PRIMARY | New Hampshire Ball Bearings Inc Div Precision Division (USA) |
| Reference | Meaning |
|---|---|
| CRG-98 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3110-01-232-2820 is a Bearing,ball,annular, manufactured by New Hampshire Ball Bearings Inc Div Precision Division, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-232-2820 has 3 manufacturer part numbers on file: SSR1-5LLRA3P28L01 (New Hampshire Ball Bearings Inc Div Precision Division), S5CZZ3P25L01 (Mpb Corp Div Timken Super Precision), SR1-53LL3K25/7 (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.