The Housing,bearing Unit, cataloged under National Stock Number 3130-01-232-0538, 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 17 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3130-01-232-0538 |
| Primary Part Number | 88611511B1 ITEM 1 |
| Item Name | Housing,bearing Unit |
| FSC / FSG | 3130 / 31 — Bearings, Mounted |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Lubrication Fitting Type | PIPE PLUGPIPE PLUG |
| Assembly Overall Length | 4.4900 INCHES NOMINAL IN |
| Housing Height | 8.250 INCHES NOMINAL8.250 INCHES NOMINAL IN |
| Mounting Hole Type | ROUND, UNTHREADED, COUNTERBORED |
| Material Document and Classification | MIL-B-24480 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Mounting Hole Diameter | 1.282 INCHES MINIMUM AND 1.284 INCHES MAXIMUM IN |
| Counterbore Depth | 1.875 INCHES NOMINAL1.875 INCHES NOMINAL IN |
| Center to Center Distance Between Mounting Holes Along Width | 15.000 INCHES NOMINAL15.000 INCHES NOMINAL IN |
| Counterbore Diameter | 2.000 INCHES NOMINAL IN |
| Housing Width | 17.750 INCHES NOMINAL17.750 INCHES NOMINAL IN |
| Base Length | 2.750 INCHES NOMINAL IN |
| Shaft End Type | OPEN |
| Base Thickness | 2.000 INCHES NOMINAL IN |
| Bore Diameter | 2.0000 INCHES MINIMUM AND 2.0010 INCHES MAXIMUM IN |
| Material | COPPER ALLOY 958 OVERALL |
| Height From Bottom of Base to Bore Centerline | 6.500 INCHES NOMINAL IN |
| Lubrication Fitting Angle From Horizontal Centerline | 90.0 DEGREES NOMINAL90.0 DEGREES NOMINAL |
| 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 |
|---|---|
| 88611511B1 ITEM 1 | Naval Sea Systems Command (USA) |
| 704-5765852 ITEM 1 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 5765852-0001 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3130-01-232-0538 is a Housing,bearing Unit, manufactured by Naval Sea Systems Command, classified under FSC 3130, Bearings, Mounted. Status: active.
NSN 3130-01-232-0538 has 2 manufacturer part numbers on file: 88611511B1 ITEM 1 (Naval Sea Systems Command), 704-5765852 ITEM 1 (Naval Sea Systems Command).
Key specifications for 88611511B1 ITEM 1: Lubrication Fitting Type: PIPE PLUGPIPE PLUG; Assembly Overall Length: 4.4900 INCHES NOMINAL IN; Housing Height: 8.250 INCHES NOMINAL8.250 INCHES NOMINAL IN; Mounting Hole Type: ROUND, UNTHREADED, COUNTERBORED. 17 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.