The Bearing,plain,self-Aligning, cataloged under National Stock Number 3120-01-556-0331, 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 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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,plain,self-Aligning |
| FSC / FSG | 3120 — Bearings, Plain, Unmounted (FSG 31) |
| Manufacturers | Rbc Specline Inc Dba Specline Inc (CAGE 16746); Rexnord Industries, Llc Dba Psi Bearings Div Psi Bearings (CAGE 57606); Southerland Blue Print Co (CAGE 15680) |
| Parameter | Value |
|---|---|
| NSN | 3120-01-556-0331 |
| Primary Part Number | BSG05S-A01 |
| Item Name | Bearing,plain,self-Aligning |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | Rbc Specline Inc Dba Specline Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| BSG05S-A01 PRIMARY | Rbc Specline Inc Dba Specline Inc (USA) |
| P2605S-AP10 PRIMARY | Rexnord Industries, Llc Dba Psi Bearings Div Psi Bearings (USA) |
| AMB05-1037S-A010 PRIMARY | Southerland Blue Print Co (USA) |
| Reference | Meaning |
|---|---|
| 4D0037-05S-A01 | 5/2 Secondary reference U.S. Government activity |
NSN 3120-01-556-0331 is a Bearing,plain,self-Aligning, manufactured by Rbc Specline Inc Dba Specline Inc, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-01-556-0331 has 3 manufacturer part numbers on file: BSG05S-A01 (Rbc Specline Inc Dba Specline Inc), P2605S-AP10 (Rexnord Industries, Llc Dba Psi Bearings Div Psi Bearings), AMB05-1037S-A010 (Southerland Blue Print Co).
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.