The Housing,bearing Unit, cataloged under National Stock Number 3130-01-281-7225, is classified within Federal Supply Class 3130 (Bearings, Mounted) of the Bearings group. The manufacturer of record is Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3130-01-281-7225 |
| Primary Part Number | 70219-04902-124 |
| Item Name | Housing,bearing Unit |
| FSC / FSG | 3130 / 31 — Bearings, Mounted |
| Manufacturer | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
| Status | ACTIVE |
| Housing Height | 0.9430 INCHES NOMINAL IN |
| Mounting Hole Type | ROUND, UNTHREADED |
| Style Designator | PILLOW BLOCK, SOLID |
| Material Document and Classification | QQ-A-200/11 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Mounting Hole Diameter | 0.0620 INCHES NOMINAL IN |
| Center to Center Distance Between Mounting Holes Along Width | 1.2800 INCHES NOMINAL IN |
| Housing Width | 1.9060 INCHES NOMINAL IN |
| Base Length | 0.7600 INCHES NOMINAL IN |
| Shaft End Type | OPEN |
| Base Thickness | 0.1830 INCHES NOMINAL IN |
| Bore Diameter | 0.3800 INCHES MINIMUM AND 0.3850 INCHES MAXIMUM IN |
| Material | ALUMINUM ALLOY 7075 OVERALL |
| Housing Length | 1.0000 INCHES NOMINAL IN |
| Height From Bottom of Base to Bore Centerline | 0.5630 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 |
| Part Number | Manufacturer |
|---|---|
| 70219-04902-124 PRIMARY | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
NSN 3130-01-281-7225 is a Housing,bearing Unit, manufactured by Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp, classified under FSC 3130, Bearings, Mounted. Status: active.
NSN 3130-01-281-7225 has 1 manufacturer part number on file: 70219-04902-124 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp).
Key specifications for 70219-04902-124: Housing Height: 0.9430 INCHES NOMINAL IN; Mounting Hole Type: ROUND, UNTHREADED; Style Designator: PILLOW BLOCK, SOLID; Material Document and Classification: QQ-A-200/11 FED 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.
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.