The Housing,bearing Unit, cataloged under National Stock Number 3130-01-160-2286, is classified within Federal Supply Class 3130 (Bearings, Mounted) of the Bearings group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3130-01-160-2286 |
| Primary Part Number | 518-4674790 ITEM 4 |
| Item Name | Housing,bearing Unit |
| FSC / FSG | 3130 / 31 — Bearings, Mounted |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Flange Thickness | 0.3010 INCHES MINIMUM AND 0.3020 INCHES MAXIMUM IN |
| Bolt Circle Diameter | 2.5000 INCHES NOMINAL IN |
| Shaft End Type | CLOSED |
| Bore Diameter | 1.6250 INCHES NOMINAL IN |
| Housing Length | 0.9400 INCHES NOMINAL IN |
| Housing Diameter | 3.1200 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 |
|---|---|
| 518-4674790 ITEM 4 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 87624-1505 ITEM 4 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3130-01-160-2286 is a Housing,bearing Unit, manufactured by Naval Sea Systems Command, classified under FSC 3130, Bearings, Mounted. Status: active.
NSN 3130-01-160-2286 has 1 manufacturer part number on file: 518-4674790 ITEM 4 (Naval Sea Systems Command).
Key specifications for 518-4674790 ITEM 4: Flange Thickness: 0.3010 INCHES MINIMUM AND 0.3020 INCHES MAXIMUM IN; Bolt Circle Diameter: 2.5000 INCHES NOMINAL IN; Shaft End Type: CLOSED; Bore Diameter: 1.6250 INCHES NOMINAL IN. 6 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.