The Bearing,plain,self-Aligning, cataloged under National Stock Number 3120-01-017-0177, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is U S Bearings. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | U S Bearings (CAGE 02758) |
| Parameter | Value |
|---|---|
| NSN | 3120-01-017-0177 |
| Primary Part Number | 4T99000-101A |
| Item Name | Bearing,plain,self-Aligning |
| FSC / FSG | 3120 / 31 — Bearings, Plain, Unmounted |
| Manufacturer | U S Bearings |
| Status | ACTIVE |
| 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 |
|---|---|
| 4T99000-101A PRIMARY | U S Bearings (USA) |
| Reference | Meaning |
|---|---|
| BLFR-80-060-T1 | 5/1 Secondary reference U.S. Government activity |
| 4T99000-101A | 1/2 Source control — Government-approved source U.S. Government activity |
| HSP80TL103 | 5/1 Secondary reference U S Bearings |
| 4T99000-101A | 3/2 Design control — primary reference U.S. Government activity |
| KMDB80-1 | 5/1 Secondary reference U.S. Government activity |
| 4T99000-101A | 3/2 Design control — primary reference U.S. Government activity |
NSN 3120-01-017-0177 is a Bearing,plain,self-Aligning, manufactured by U S Bearings, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
NSN 3120-01-017-0177 has 1 manufacturer part number on file: 4T99000-101A (U S Bearings).
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.