The Bearing,plain,self-Aligning, cataloged under National Stock Number 3120-01-040-8970, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is Roller Bearing Company of America, Inc.. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 3120-01-040-8970 |
| Primary Part Number | LHB-12N |
| Item Name | Bearing,plain,self-Aligning |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | Roller Bearing Company of America, Inc. |
| Status | ACTIVE |
| Inner Member Width | 0.7500 INCHES NOMINAL IN |
| Outer Member Width | 0.5930 INCHES NOMINAL IN |
| Style Designator | WITHOUT INSERT OR LINER |
| Lubrication Feature | GROOVE OUTER RACE MEMBER |
| Bore Diameter | 0.7495 INCHES NOMINAL IN |
| Material | STEEL INNER MEMBER |
| Material | ALUMINUM ALLOY OUTER RACE MEMBER |
| Outer Member Outside Diameter | 1.4375 INCHES NOMINAL IN |
| 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 |
|---|---|
| 11668978 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| LHB-12N PRIMARY | Roller Bearing Company of America, Inc. (USA) |
| Reference | Meaning |
|---|---|
| SBG-12-23 | 5/9 Secondary reference Morse Industrial Corp Sealmaster Bearing Div Sub of Emerson Electric Co |
NSN 3120-01-040-8970 is a Bearing,plain,self-Aligning, manufactured by Roller Bearing Company of America, Inc., classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-01-040-8970 has 2 manufacturer part numbers on file: 11668978 (U S Army Tank Automotive Command Amsta-Im-Mm), LHB-12N (Roller Bearing Company of America, Inc.).
Key specifications for LHB-12N: Inner Member Width: 0.7500 INCHES NOMINAL IN; Outer Member Width: 0.5930 INCHES NOMINAL IN; Style Designator: WITHOUT INSERT OR LINER; Lubrication Feature: GROOVE OUTER RACE MEMBER. 8 specifications are documented in the U.S. Government catalog.
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.