The Housing,bearing Unit, cataloged under National Stock Number 3130-01-185-2174, 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 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3130-01-185-2174 |
| Primary Part Number | 912124-1 |
| Item Name | Housing,bearing Unit |
| FSC / FSG | 3130 / 31 — Bearings, Mounted |
| Manufacturer | Raytheon Company Dba Raytheon Co |
| Status | ACTIVE |
| Assembly Overall Length | 0.990 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | 709244,CL 1,FSCM 49956 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Flange Thickness | 0.250 INCHES NOMINAL IN |
| Mounting Hole Type | ROUND, UNTHREADED |
| Style Designator | FLANGE BLOCK |
| Material Document and Classification | QQ-A-225/8,T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Mounting Hole Diameter | 0.312 INCHES MINIMUM AND 0.321 INCHES MAXIMUM IN |
| Housing Width | 3.000 INCHES NOMINAL IN |
| Bolt Circle Diameter | 2.124 INCHES NOMINAL IN |
| Surface Treatment | PAINT OVERALL |
| Bore Diameter | 1.7500 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 6061 OVERALL |
| Housing Length | 0.740 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 |
NSN 3130-01-185-2174 is a Housing,bearing Unit, manufactured by Raytheon Company Dba Raytheon Co, classified under FSC 3130, Bearings, Mounted. Status: active.
NSN 3130-01-185-2174 has 2 manufacturer part numbers on file: 912124-1 (Raytheon Company Dba Raytheon Co), 912124-1 (Raytheon Company).
Key specifications for 912124-1: Assembly Overall Length: 0.990 INCHES NOMINAL IN; Surface Treatment Document and Classification: 709244,CL 1,FSCM 49956 MFR REF SINGLE TREATMENT RESPONSE OVERALL; Flange Thickness: 0.250 INCHES NOMINAL IN; Mounting Hole Type: ROUND, UNTHREADED. 13 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.