The Universal Joint,aircraft, cataloged under National Stock Number 1680-00-083-8903, 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.. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Universal Joint,aircraft |
| FSC / FSG | 1680 — Miscellaneous Aircraft Accessories and Components (FSG 16) |
| Manufacturers | Apex Tool Group, Llc (CAGE 03705); Heligear Acquisition Co. Dba Northstar Aerospace, Inc. (CAGE 22907) |
| Parameter | Value |
|---|---|
| NSN | 1680-00-083-8903 |
| Primary Part Number | 58423-1 |
| Item Name | Universal Joint,aircraft |
| FSC / FSG | 1680 / 16 — Miscellaneous Aircraft Accessories and Components |
| Manufacturer | Heligear Acquisition Co. Dba Northstar Aerospace, Inc. |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| UJ493 | Apex Tool Group, Llc (USA) |
| 58423-1 PRIMARY | Heligear Acquisition Co. Dba Northstar Aerospace, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 1285SCAM-107 | C/1 Advisory reference — outside the item-of-supply concept Northrop Grumman Systems Corporation |
| 1285SCAM-107 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
NSN 1680-00-083-8903 is a Universal Joint,aircraft, manufactured by Heligear Acquisition Co. Dba Northstar Aerospace, Inc., classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
NSN 1680-00-083-8903 has 2 manufacturer part numbers on file: UJ493 (Apex Tool Group, Llc), 58423-1 (Heligear Acquisition Co. Dba Northstar Aerospace, Inc.).
2 possible matches (shared part number, not a government interchangeability claim): 5935-01-175-1593, 5120-01-460-3226. Verify interchangeability with system specifications before substitution.
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 1680-00-083-8903 has DEMIL Code Q. 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.