The Housing,bearing Unit, cataloged under National Stock Number 3130-01-212-4800, is classified within Federal Supply Class 3130 (Bearings, Mounted) of the Bearings group. The manufacturer of record is Raytheon Company Dba Raytheon Co. Government technical data includes 20 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3130-01-212-4800 |
| Primary Part Number | 912120 |
| Item Name | Housing,bearing Unit |
| FSC / FSG | 3130 / 31 — Bearings, Mounted |
| Manufacturer | Raytheon Company Dba Raytheon Co |
| Status | ACTIVE |
| Lubrication Fitting Type | PIPE PLUG |
| Assembly Overall Length | 1.500 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | FIND NO. 4,FSCM 49956 MFR REF SINGLE TREATMENT RESPONSE BORE |
| Surface Treatment Document and Classification | FIND NO. 7,FSCM 49956 MFR REF SINGLE TREATMENT RESPONSE HOUSING EXCLUDING BORE |
| Housing Height | 3.120 INCHES NOMINAL IN |
| Mounting Hole Type | ROUND, UNTHREADED |
| Style Designator | PILLOW BLOCK, SOLID |
| Material Document and Classification | ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Mounting Hole Diameter | 0.542 INCHES MINIMUM AND 0.557 INCHES MAXIMUM IN |
| Center to Center Distance Between Mounting Holes Along Width | 4.500 INCHES NOMINAL IN |
| Housing Width | 5.750 INCHES NOMINAL IN |
| Base Length | 1.376 INCHES NOMINAL IN |
| Shaft End Type | OPEN |
| Surface Treatment | CADMIUM BORE |
| Surface Treatment | PAINT HOUSING EXCLUDING BORE |
| Base Thickness | 0.750 INCHES NOMINAL IN |
| Bore Diameter | 1.7500 INCHES NOMINAL IN |
| Material | STEEL COMP 303SE OVERALL |
| Height From Bottom of Base to Bore Centerline | 1.625 INCHES NOMINAL IN |
| Lubrication Fitting Angle From Horizontal Centerline | 45.0 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 |
NSN 3130-01-212-4800 is a Housing,bearing Unit, manufactured by Raytheon Company Dba Raytheon Co, classified under FSC 3130, Bearings, Mounted. Status: active.
NSN 3130-01-212-4800 has 2 manufacturer part numbers on file: 912120 (Raytheon Company), 912120 (Raytheon Company Dba Raytheon Co).
Key specifications for 912120: Lubrication Fitting Type: PIPE PLUG; Assembly Overall Length: 1.500 INCHES NOMINAL IN; Surface Treatment Document and Classification: FIND NO. 4,FSCM 49956 MFR REF SINGLE TREATMENT RESPONSE BORE; Surface Treatment Document and Classification: FIND NO. 7,FSCM 49956 MFR REF SINGLE TREATMENT RESPONSE HOUSING EXCLUDING BORE. 20 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.