The Housing,bearing Unit, cataloged under National Stock Number 3130-01-159-8646, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3130-01-159-8646 |
| Primary Part Number | 709-4684906 ITEM 10 |
| Item Name | Housing,bearing Unit |
| FSC / FSG | 3130 / 31 — Bearings, Mounted |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Housing Height | 2.5500 INCHES NOMINAL IN |
| Style Designator | PILLOW BLOCK, SOLID |
| Center to Center Distance Between Mounting Holes Along Width | 2.7500 INCHES NOMINAL IN |
| Base Thickness | 0.5000 INCHES NOMINAL IN |
| Bore Diameter | 0.7500 INCHES MINIMUM AND 0.7510 INCHES MAXIMUM IN |
| Height From Bottom of Base to Bore Centerline | 1.7500 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 |
|---|---|
| 709-4684906 ITEM 10 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 87832-1635 ITEM 10 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3130-01-159-8646 is a Housing,bearing Unit, manufactured by Naval Sea Systems Command, classified under FSC 3130, Bearings, Mounted. Status: active.
NSN 3130-01-159-8646 has 1 manufacturer part number on file: 709-4684906 ITEM 10 (Naval Sea Systems Command).
Key specifications for 709-4684906 ITEM 10: Housing Height: 2.5500 INCHES NOMINAL IN; Style Designator: PILLOW BLOCK, SOLID; Center to Center Distance Between Mounting Holes Along Width: 2.7500 INCHES NOMINAL IN; Base Thickness: 0.5000 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.