The Bearing,plain,self-Aligning, cataloged under National Stock Number 3120-01-321-0649, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3120-01-321-0649 |
| Item Name | Bearing,plain,self-Aligning |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Status | ACTIVE |
| Inner Member Width | 1.7950 INCHES MINIMUM AND 1.8190 INCHES MAXIMUM IN |
| Outer Member Width | 1.2180 INCHES MINIMUM AND 1.2280 INCHES MAXIMUM IN |
| Material Document and Classification | MIL-G-21164 MIL SPEC SINGLE MATERIAL RESPONSE LUBRICATION |
| Material Document and Classification | AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OUTER RACE MEMBER |
| Static Radial Load Rating | 130000 POUNDS LBS |
| Bore Diameter | 1.2500 INCHES MINIMUM AND 1.2516 INCHES MAXIMUM IN |
| Material | STEEL OUTER RACE MEMBER |
| Material | GREASE AND DISULFIDE MOLYBDENUM LUBRICATION |
| Material | STEEL COMP 4340 INNER MEMBER |
| Outer Member Outside Diameter | 2.6020 INCHES MINIMUM AND 2.6025 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| KSSB20-70 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3120-01-321-0649 is a Bearing,plain,self-Aligning, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
Key specifications for 3120-01-321-0649: Inner Member Width: 1.7950 INCHES MINIMUM AND 1.8190 INCHES MAXIMUM IN; Outer Member Width: 1.2180 INCHES MINIMUM AND 1.2280 INCHES MAXIMUM IN; Material Document and Classification: MIL-G-21164 MIL SPEC SINGLE MATERIAL RESPONSE LUBRICATION; Material Document and Classification: AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OUTER RACE MEMBER. 10 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.
NSN 3120-01-321-0649 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.