The Housing,bearing Unit, cataloged under National Stock Number 3130-00-398-6934, 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 9 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 | 3130-00-398-6934 |
| Primary Part Number | H690E |
| Item Name | Housing,bearing Unit |
| FSC / FSG | 3130 / 31 — Bearings, Mounted |
| Manufacturer | Siemens Energy, Inc. |
| Status | ACTIVE |
| Flange Thickness | 0.3130 INCHES NOMINAL IN |
| Style Designator | FLANGE BLOCK |
| Mounting Hole Diameter | 0.3750 INCHES NOMINAL IN |
| Bolt Circle Diameter | 3.2500 INCHES NOMINAL IN |
| Shaft End Type | OPEN |
| Bore Diameter | 1.1450 INCHES MINIMUM AND 1.1470 INCHES MAXIMUM IN |
| Material | STEEL OVERALL |
| Housing Length | 2.3750 INCHES NOMINAL IN |
| Housing Diameter | 4.0000 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 |
|---|---|
| DD692-S4602-3 PIECE 16 | Naval Sea Systems Command (USA) |
| H690E PRIMARY | Siemens Energy, Inc. (USA) |
NSN 3130-00-398-6934 is a Housing,bearing Unit, manufactured by Siemens Energy, Inc., classified under FSC 3130, Bearings, Mounted. Status: active.
NSN 3130-00-398-6934 has 2 manufacturer part numbers on file: DD692-S4602-3 PIECE 16 (Naval Sea Systems Command), H690E (Siemens Energy, Inc.).
Key specifications for H690E: Flange Thickness: 0.3130 INCHES NOMINAL IN; Style Designator: FLANGE BLOCK; Mounting Hole Diameter: 0.3750 INCHES NOMINAL IN; Bolt Circle Diameter: 3.2500 INCHES NOMINAL IN. 9 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.