The Cone,tapered Roller Bearing, cataloged under National Stock Number 3110-01-549-4805, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is The Boeing Company. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-549-4805 |
| Primary Part Number | 369D21256 |
| Item Name | Cone,tapered Roller Bearing |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | The Boeing Company |
| Status | ACTIVE |
| 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 |
|---|---|
| 369D21256 | Md Helicopters Inc (USA) |
| 369D21256-3 | Md Helicopters Inc (USA) |
| 369D21256 PRIMARY | The Boeing Company (USA) |
| 369D21256-3TA | Md Helicopters Inc (USA) |
NSN 3110-01-549-4805 is a Cone,tapered Roller Bearing, manufactured by The Boeing Company, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-549-4805 has 4 manufacturer part numbers on file: 369D21256 (Md Helicopters Inc), 369D21256-3 (Md Helicopters Inc), 369D21256 (The Boeing Company), 369D21256-3TA (Md Helicopters Inc).
1 possible match (shared part number, not a government interchangeability claim): 3120-01-563-0504. Verify interchangeability with system specifications before substitution.
Key specifications for 369D21256: End Item Identification: SERIES 369D HELICOPTER. 0 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.