The Housing,bearing Unit, cataloged under National Stock Number 3130-01-347-5685, is classified within Federal Supply Class 3130 (Bearings, Mounted) of the Bearings group. The manufacturer of record is The Boeing Company. Government technical data includes 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3130-01-347-5685 |
| Primary Part Number | 107D2557-11 |
| Item Name | Housing,bearing Unit |
| FSC / FSG | 3130 / 31 — Bearings, Mounted |
| Manufacturer | The Boeing Company |
| Status | ACTIVE |
| Material Document and Classification | MIL-S-5000 MIL STD SINGLE MATERIAL RESPONSE OVERALL EXCLUDING BORE OR APERTURE |
| Bore Diameter | 0.2810 INCHES NOMINAL IN |
| Material | STEEL COMP 4340 OVERALL EXCLUDING BORE OR APERTURE |
| 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 |
|---|---|
| 107D2557-11 PRIMARY | The Boeing Company (USA) |
| Reference | Meaning |
|---|---|
| 13C1490-1 | 5/9 Secondary reference Joint Oil Analysis Program Dba Department of Defense |
| 13C1490-1 | 5/9 Secondary reference U.S. Government activity |
NSN 3130-01-347-5685 is a Housing,bearing Unit, manufactured by The Boeing Company, classified under FSC 3130, Bearings, Mounted. Status: active.
NSN 3130-01-347-5685 has 1 manufacturer part number on file: 107D2557-11 (The Boeing Company).
Key specifications for 107D2557-11: Material Document and Classification: MIL-S-5000 MIL STD SINGLE MATERIAL RESPONSE OVERALL EXCLUDING BORE OR APERTURE; Special Features: HOUSING MEASURES 0.500 IN. W. OVERALL,2.130 IN. LG. OVERALL IN; End Item Identification: H-46 ACFT; Bore Diameter: 0.2810 INCHES NOMINAL IN. 3 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.