The Housing,bearing Unit, cataloged under National Stock Number 3130-00-012-4239, 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 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3130-00-012-4239 |
| Primary Part Number | S6135-22042-2 |
| Item Name | Housing,bearing Unit |
| FSC / FSG | 3130 / 31 — Bearings, Mounted |
| Manufacturer | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
| Status | ACTIVE |
| Mounting Hole Type | ROUND, UNTHREADED |
| Material Document and Classification | AMS 6260 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Mounting Hole Diameter | 0.2810 INCHES NOMINAL IN |
| Bore Diameter | 3.3460 INCHES MINIMUM AND 3.3467 INCHES MAXIMUM IN |
| Material | STEEL COMP E9310 OVERALL |
| 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 |
|---|---|
| S6135-22042-2 PRIMARY | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
| Reference | Meaning |
|---|---|
| S6135-22042-2 | 5/9 Secondary reference Rotair Aerospace Corp |
NSN 3130-00-012-4239 is a Housing,bearing Unit, manufactured by Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp, classified under FSC 3130, Bearings, Mounted. Status: active.
NSN 3130-00-012-4239 has 1 manufacturer part number on file: S6135-22042-2 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp).
Key specifications for S6135-22042-2: Mounting Hole Type: ROUND, UNTHREADED; Material Document and Classification: AMS 6260 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Mounting Hole Diameter: 0.2810 INCHES NOMINAL IN; Bore Diameter: 3.3460 INCHES MINIMUM AND 3.3467 INCHES MAXIMUM IN. 5 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.