The Housing,bearing Unit, cataloged under National Stock Number 3130-01-447-3638, is classified within Federal Supply Class 3130 (Bearings, Mounted) of the Bearings group. The manufacturer of record is Huntington Ingalls Inc Div Newport News Shipbuilding. Government technical data includes 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3130-01-447-3638 |
| Primary Part Number | 123-4403525 PART 58 |
| Item Name | Housing,bearing Unit |
| FSC / FSG | 3130 / 31 — Bearings, Mounted |
| Manufacturer | Huntington Ingalls Inc Div Newport News Shipbuilding |
| Status | ACTIVE |
| Housing Height | 4.2500 INCHES NOMINAL IN |
| Mounting Hole Type | ROUND, UNTHREADED |
| Style Designator | PILLOW BLOCK, SOLID |
| Mounting Hole Diameter | 0.9375 INCHES NOMINAL IN |
| Center to Center Distance Between Mounting Holes Along Width | 5.0000 INCHES NOMINAL IN |
| Housing Width | 7.0000 INCHES NOMINAL IN |
| Base Length | 2.0000 INCHES NOMINAL IN |
| Base Thickness | 1.8750 INCHES NOMINAL IN |
| Bore Diameter | 2.5000 INCHES NOMINAL IN |
| Material | COPPER ALLOY 957 OVERALL |
| Housing Length | 2.2500 INCHES NOMINAL IN |
| Height From Bottom of Base to Bore Centerline | 2.0000 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 |
|---|---|
| 123-4403525 PART 58 PRIMARY | Huntington Ingalls Inc Div Newport News Shipbuilding (USA) |
| Reference | Meaning |
|---|---|
| 123-4403528 PART 9 | 5/9 Secondary reference Huntington Ingalls Inc Div Newport News Shipbuilding |
NSN 3130-01-447-3638 is a Housing,bearing Unit, manufactured by Huntington Ingalls Inc Div Newport News Shipbuilding, classified under FSC 3130, Bearings, Mounted. Status: active.
NSN 3130-01-447-3638 has 1 manufacturer part number on file: 123-4403525 PART 58 (Huntington Ingalls Inc Div Newport News Shipbuilding).
Key specifications for 123-4403525 PART 58: Housing Height: 4.2500 INCHES NOMINAL IN; Mounting Hole Type: ROUND, UNTHREADED; Style Designator: PILLOW BLOCK, SOLID; Mounting Hole Diameter: 0.9375 INCHES NOMINAL IN. 12 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.