The Bearing Unit,plain, cataloged under National Stock Number 3130-01-276-8666, 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 13 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3130-01-276-8666 |
| Primary Part Number | 704-5795563 ITEM 1 |
| Item Name | Bearing Unit,plain |
| FSC / FSG | 3130 / 31 — Bearings, Mounted |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Housing Height | 7.2500 INCHES NOMINAL IN |
| Mounting Hole Type | ROUND, UNTHREADED |
| Style Designator | PILLOW BLOCK, SOLID |
| Mounting Hole Diameter | 1.2187 INCHES NOMINAL IN |
| Center to Center Distance Between Mounting Holes Along Width | 9.5000 INCHES NOMINAL IN |
| Housing Width | 12.0000 INCHES NOMINAL IN |
| Base Length | 3.5000 INCHES NOMINAL IN |
| Alignment Type | RIGID |
| Shaft End Type | OPEN |
| Bore Diameter | 5.5470 INCHES MINIMUM AND 5.5500 INCHES MAXIMUM IN |
| Housing Length | 4.0000 INCHES NOMINAL IN |
| Height From Bottom of Base to Bore Centerline | 3.7500 INCHES NOMINAL IN |
| Load Capability Type | RADIAL |
| 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 |
|---|---|
| 704-5795563 ITEM 1 PRIMARY | Naval Sea Systems Command (USA) |
| 2175-23 ITEM 1 | Huntington Ingalls Inc Div Newport News Shipbuilding (USA) |
NSN 3130-01-276-8666 is a Bearing Unit,plain, manufactured by Naval Sea Systems Command, classified under FSC 3130, Bearings, Mounted. Status: active.
NSN 3130-01-276-8666 has 2 manufacturer part numbers on file: 704-5795563 ITEM 1 (Naval Sea Systems Command), 2175-23 ITEM 1 (Huntington Ingalls Inc Div Newport News Shipbuilding).
Key specifications for 704-5795563 ITEM 1: Housing Height: 7.2500 INCHES NOMINAL IN; Mounting Hole Type: ROUND, UNTHREADED; Style Designator: PILLOW BLOCK, SOLID; Mounting Hole Diameter: 1.2187 INCHES NOMINAL IN. 13 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.