The Bearing,plain,self-Aligning, cataloged under National Stock Number 3120-01-019-2500, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3120-01-019-2500 |
| Item Name | Bearing,plain,self-Aligning |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Status | ACTIVE |
| Inner Member Width | 0.9980 INCHES MINIMUM AND 1.0000 INCHES MAXIMUM IN |
| Outer Member Width | 0.7920 INCHES MINIMUM AND 0.8020 INCHES MAXIMUM IN |
| Style Designator | WITHOUT INSERT OR LINER WITH STAKING GROOVE |
| Material Document and Classification | MIL-G-21164 MIL SPEC SINGLE MATERIAL RESPONSE LUBRICATION |
| Static Radial Load Rating | 51000 POUNDS LBS |
| Bore Diameter | 0.9995 INCHES MINIMUM AND 1.0000 INCHES MAXIMUM IN |
| Material | GREASE AND DISULFIDE MOLYBDENUM LUBRICATION |
| Outer Member Outside Diameter | 1.7495 INCHES MINIMUM AND 1.7500 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 |
|---|---|
| MS21154B16 | 2/2 Government specification standardization U.S. Government activity |
| MS21154 | 4/1 Identification reference U.S. Government activity |
NSN 3120-01-019-2500 is a Bearing,plain,self-Aligning, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
4 possible matches (shared part number, not a government interchangeability claim): 3120-01-204-4839, 3120-01-271-1008, 3120-01-348-8581. Verify interchangeability with system specifications before substitution.
Key specifications for 3120-01-019-2500: Inner Member Width: 0.9980 INCHES MINIMUM AND 1.0000 INCHES MAXIMUM IN; Outer Member Width: 0.7920 INCHES MINIMUM AND 0.8020 INCHES MAXIMUM IN; Style Designator: WITHOUT INSERT OR LINER WITH STAKING GROOVE; Material Document and Classification: MIL-G-21164 MIL SPEC SINGLE MATERIAL RESPONSE LUBRICATION. 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.
NSN 3120-01-019-2500 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.