The Housing,bearing Unit, cataloged under National Stock Number 3130-01-213-5528, 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 14 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3130-01-213-5528 |
| Primary Part Number | 704-5483957 ITEM 42 |
| Item Name | Housing,bearing Unit |
| FSC / FSG | 3130 / 31 — Bearings, Mounted |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Housing Height | 7.870 INCHES NOMINAL IN |
| Mounting Hole Type | ROUND, UNTHREADED |
| Style Designator | PILLOW BLOCK, SOLID |
| Material Document and Classification | MIL-S-24480 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Mounting Hole Diameter | 1.120 INCHES NOMINAL IN |
| Center to Center Distance Between Mounting Holes Along Width | 9.500 INCHES NOMINAL IN |
| Housing Width | 12.000 INCHES NOMINAL IN |
| Base Length | 6.380 INCHES NOMINAL IN |
| Shaft End Type | OPEN |
| Base Thickness | 2.370 INCHES NOMINAL IN |
| Bore Diameter | 5.5470 INCHES MINIMUM AND 5.5500 INCHES MAXIMUM IN |
| Material | COPPER ALLOY OVERALL |
| Housing Length | 6.875 INCHES NOMINAL IN |
| Height From Bottom of Base to Bore Centerline | 4.120 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 704-5483957 ITEM 42 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 88611504B1 ITEM 42 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3130-01-213-5528 is a Housing,bearing Unit, manufactured by Naval Sea Systems Command, classified under FSC 3130, Bearings, Mounted. Status: active.
NSN 3130-01-213-5528 has 1 manufacturer part number on file: 704-5483957 ITEM 42 (Naval Sea Systems Command).
Key specifications for 704-5483957 ITEM 42: Housing Height: 7.870 INCHES NOMINAL IN; Mounting Hole Type: ROUND, UNTHREADED; Style Designator: PILLOW BLOCK, SOLID; Material Document and Classification: MIL-S-24480 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL. 14 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.
NSN 3130-01-213-5528 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.