The Bearing,sleeve, cataloged under National Stock Number 3120-01-643-0940, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is Beemer Precision Inc. The record lists 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Item Name | Bearing,sleeve |
| FSC / FSG | 3120 — Bearings, Plain, Unmounted (FSG 31) |
| Manufacturers | Oilite Bearings Ltd (CAGE K1088); Lake Shore Systems, Inc. (CAGE 34712); Beemer Precision Inc (CAGE 70901) |
| Parameter | Value |
|---|---|
| NSN | 3120-01-643-0940 |
| Primary Part Number | AA-650-04 |
| Item Name | Bearing,sleeve |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | Beemer Precision 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 | X |
| Part Number | Manufacturer |
|---|---|
| AA-631-13 | Oilite Bearings Ltd (GBR) |
| DWG P001363 REV B ITEM 7 | Lake Shore Systems, Inc. (USA) |
| AA-650-04 PRIMARY | Beemer Precision Inc (USA) |
| Reference | Meaning |
|---|---|
| AA-631-13 | 5/9 Secondary reference Beemer Precision Inc |
| P001363 | D/9 Drawing number reference only Lake Shore Systems, Inc. |
NSN 3120-01-643-0940 is a Bearing,sleeve, manufactured by Beemer Precision Inc, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-01-643-0940 has 3 manufacturer part numbers on file: AA-631-13 (Oilite Bearings Ltd), DWG P001363 REV B ITEM 7 (Lake Shore Systems, Inc.), AA-650-04 (Beemer Precision 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.