The Housing,gear Box, cataloged under National Stock Number 1680-00-083-4189, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories group. The manufacturer of record is Heligear Acquisition Co. Dba Northstar Aerospace, Inc.. Government technical data includes 1 specification, 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 | 1680-00-083-4189 |
| Primary Part Number | 584256 |
| Item Name | Housing,gear Box |
| FSC / FSG | 1680 / 16 — Miscellaneous Aircraft Accessories and Components |
| Manufacturer | Heligear Acquisition Co. Dba Northstar Aerospace, Inc. |
| Status | ACTIVE |
| General Characteristics Item Description | ALUMINUM ALLOY,QQ-A-601,356-T-6; 1.850 IN. H; 6 HOLES. 0.195 IN. MIN AND 0.202 IN. MAX DIA,0.440 IN. DEEP; ONE HOLE 0.395 IN. MIN AND 0.405 IN. MAX DIA THRU 0.380 IN. DIA SPOT FACE TO FLANGE THK IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 584256 PRIMARY | Heligear Acquisition Co. Dba Northstar Aerospace, Inc. (USA) |
NSN 1680-00-083-4189 is a Housing,gear Box, manufactured by Heligear Acquisition Co. Dba Northstar Aerospace, Inc., classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
NSN 1680-00-083-4189 has 1 manufacturer part number on file: 584256 (Heligear Acquisition Co. Dba Northstar Aerospace, Inc.).
Key specifications for 584256: General Characteristics Item Description: ALUMINUM ALLOY,QQ-A-601,356-T-6; 1.850 IN. H; 6 HOLES. 0.195 IN. MIN AND 0.202 IN. MAX DIA,0.440 IN. DEEP; ONE HOLE 0.395 IN. MIN AND 0.405 IN. MAX DIA THRU 0.380 IN. DIA SPOT FACE TO FLANGE THK IN. 1 specification is 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.
NSN 1680-00-083-4189 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.