The Housing,bearing Unit, cataloged under National Stock Number 3130-00-398-6841, is classified within Federal Supply Class 3130 (Bearings, Mounted) of the Bearings group. The manufacturer of record is Siemens Energy, Inc.. Government technical data includes 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3130-00-398-6841 |
| Primary Part Number | H588CX2 |
| Item Name | Housing,bearing Unit |
| FSC / FSG | 3130 / 31 — Bearings, Mounted |
| Manufacturer | Siemens Energy, Inc. |
| Status | ACTIVE |
| Flange Thickness | 0.7500 INCHES NOMINAL IN |
| Overall Outside Diameter | 5.7500 INCHES NOMINAL IN |
| Pilot Diameter | 4.6240 INCHES MINIMUM AND 4.6250 INCHES MAXIMUM IN |
| Shaft End Type | OPEN |
| Bore Diameter | 2.5630 INCHES NOMINAL IN |
| Housing Length | 3.2500 INCHES NOMINAL IN |
| Groove Width | 0.1250 INCHES NOMINAL IN |
| Housing Diameter | 5.1250 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 |
|---|---|
| H588CX2 PRIMARY | Siemens Energy, Inc. (USA) |
| Reference | Meaning |
|---|---|
| H4320-398-6841 | 5/9 Secondary reference Naval Sea Systems Command Logistics Support Engineering Activity |
NSN 3130-00-398-6841 is a Housing,bearing Unit, manufactured by Siemens Energy, Inc., classified under FSC 3130, Bearings, Mounted. Status: active.
NSN 3130-00-398-6841 has 1 manufacturer part number on file: H588CX2 (Siemens Energy, Inc.).
Key specifications for H588CX2: Flange Thickness: 0.7500 INCHES NOMINAL IN; Overall Outside Diameter: 5.7500 INCHES NOMINAL IN; Pilot Diameter: 4.6240 INCHES MINIMUM AND 4.6250 INCHES MAXIMUM IN; Shaft End Type: OPEN. 8 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.