The Bearing,plain,self-Aligning, cataloged under National Stock Number 3120-01-421-4842, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is Sae International Dba Sae International. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3120-01-421-4842 |
| Primary Part Number | AS81936/2-8R |
| Item Name | Bearing,plain,self-Aligning |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Inner Member Width | 0.5000 INCHES NOMINAL IN |
| Outer Member Width | 0.3900 INCHES NOMINAL IN |
| Style Designator | WITHOUT INSERT OR LINER |
| Bore Diameter | 5.0000 INCHES NOMINAL IN |
| Material | COPPER ALLOY INNER MEMBER |
| Material | STEEL COMP 630 OUTER RACE MEMBER |
| Outer Member Outside Diameter | 1.0000 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 |
|---|---|
| AS81936/2-8R PRIMARY | Sae International Dba Sae International (USA) |
| Reference | Meaning |
|---|---|
| AS81936/2-8R | 3/9 Design control — primary reference U.S. Government activity |
| M81936/2-8R | 5/9 Secondary reference U.S. Government activity |
NSN 3120-01-421-4842 is a Bearing,plain,self-Aligning, manufactured by Sae International Dba Sae International, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-01-421-4842 has 1 manufacturer part number on file: AS81936/2-8R (Sae International Dba Sae International).
Key specifications for AS81936/2-8R: Inner Member Width: 0.5000 INCHES NOMINAL IN; Outer Member Width: 0.3900 INCHES NOMINAL IN; Style Designator: WITHOUT INSERT OR LINER; Special Features: LUBE GROOVES AND GREASE HOLES IN RACE ONLY; MATERIAL: BERYLLIUM COPPER INNER MEMBER. 7 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.