The Housing,bearing Unit, cataloged under National Stock Number 3130-01-303-5604, is classified within Federal Supply Class 3130 (Bearings, Mounted) of the Bearings group. The manufacturer of record is Ingersoll-Rand Company Dba Ingersoll-Rand Div Tool & Hoist Division. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Housing,bearing Unit |
| FSC / FSG | 3130 — Bearings, Mounted (FSG 31) |
| Manufacturers | Ingersoll-Rand Company Dba Ingersoll-Rand Div Tool & Hoist Division (CAGE 4P412) |
| Parameter | Value |
|---|---|
| NSN | 3130-01-303-5604 |
| Primary Part Number | MR-11 |
| Item Name | Housing,bearing Unit |
| FSC / FSG | 3130 / 31 — Bearings, Mounted |
| Manufacturer | Ingersoll-Rand Company Dba Ingersoll-Rand Div Tool & Hoist Division |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| MR-11 PRIMARY | Ingersoll-Rand Company Dba Ingersoll-Rand Div Tool & Hoist Division (USA) |
| Reference | Meaning |
|---|---|
| MR-11 | 5/9 Secondary reference U.S. Government activity |
| MR-11 | 3/9 Design control — primary reference Ingersoll-Rand Co Power Tool Div |
NSN 3130-01-303-5604 is a Housing,bearing Unit, manufactured by Ingersoll-Rand Company Dba Ingersoll-Rand Div Tool & Hoist Division, classified under FSC 3130, Bearings, Mounted. Status: active.
NSN 3130-01-303-5604 has 1 manufacturer part number on file: MR-11 (Ingersoll-Rand Company Dba Ingersoll-Rand Div Tool & Hoist Division).
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.