The Bearing,plain,spherical, cataloged under National Stock Number 3120-01-367-9771, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is Rbc Specline Inc Dba Specline Inc. 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Item Name | Bearing,plain,spherical |
| FSC / FSG | 3120 — Bearings, Plain, Unmounted (FSG 31) |
| Manufacturers | Rbc Specline Inc Dba Specline Inc (CAGE 16746); New Hampshire Ball Bearings Inc Div Astro Division (CAGE 15860) |
| Parameter | Value |
|---|---|
| NSN | 3120-01-367-9771 |
| Primary Part Number | BDS20S-121 |
| Item Name | Bearing,plain,spherical |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | Rbc Specline Inc Dba Specline Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| BDS20S-121 PRIMARY | Rbc Specline Inc Dba Specline Inc (USA) |
| ABW20V-1121 PRIMARY | New Hampshire Ball Bearings Inc Div Astro Division (USA) |
| Reference | Meaning |
|---|---|
| 4D0121-20 REV A | 5/2 Secondary reference U.S. Government activity |
| KSSB20-65 | 3/2 Design control — primary reference U.S. Government activity |
| BSSN-20890 | 3/2 Design control — primary reference U.S. Government activity |
| 4D0121-20 | 5/2 Secondary reference U.S. Government activity |
NSN 3120-01-367-9771 is a Bearing,plain,spherical, manufactured by Rbc Specline Inc Dba Specline Inc, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-01-367-9771 has 2 manufacturer part numbers on file: BDS20S-121 (Rbc Specline Inc Dba Specline Inc), ABW20V-1121 (New Hampshire Ball Bearings Inc Div Astro 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.
NSN 3120-01-367-9771 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.