The Cap,front Cover Bearing, cataloged under National Stock Number 1680-00-083-4392, 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. 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 | 1680-00-083-4392 |
| Primary Part Number | 584013 |
| Item Name | Cap,front Cover Bearing |
| 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; 0.527 IN. H; SHOULDER DIA 1.370 IN. MIN AND 1.375 IN. MAX DIA; TWO HOLES 0.220 IN. DIA,SPOTFACES TO 0.500 DIA,ON 2.310 IN. DIA BC 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 |
|---|---|
| 584013 PRIMARY | Heligear Acquisition Co. Dba Northstar Aerospace, Inc. (USA) |
NSN 1680-00-083-4392 is a Cap,front Cover Bearing, manufactured by Heligear Acquisition Co. Dba Northstar Aerospace, Inc., classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
NSN 1680-00-083-4392 has 1 manufacturer part number on file: 584013 (Heligear Acquisition Co. Dba Northstar Aerospace, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 5935-01-175-1592. Verify interchangeability with system specifications before substitution.
Key specifications for 584013: General Characteristics Item Description: ALUMINUM ALLOY,QQ-A-601 356-T-6; 0.527 IN. H; SHOULDER DIA 1.370 IN. MIN AND 1.375 IN. MAX DIA; TWO HOLES 0.220 IN. DIA,SPOTFACES TO 0.500 DIA,ON 2.310 IN. DIA BC 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 1680-00-083-4392 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.