The Torque Tube Assembly,aircraft, cataloged under National Stock Number 1680-01-680-2381, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories group. The manufacturer of record is Infinity Fabrication, Inc.. The record lists 8 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1680-01-680-2381 |
| Primary Part Number | 50-7990-73 |
| Item Name | Torque Tube Assembly,aircraft |
| FSC / FSG | 1680 / 16 — Miscellaneous Aircraft Accessories and Components |
| Manufacturer | Infinity Fabrication, 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) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 50-7990-73 | Infinity Fabrication, Inc. (USA) |
| 50-7990-73 | Aero Components, Llc (USA) |
| 50-7990-73 | Nordam Group Llc, the Div Nordam (USA) |
| 50-7990-73 | Malones Cnc Machining Inc (USA) |
| 50-7990-73 | Volumatic Inc Dba Volumatic Inc (USA) |
| 50-7990-73 | Preci-Manufacturing, Incorporated (USA) |
| 50-7990-73 | Camnetics Manufacturing Corporation (USA) |
| 50-7990-73 | D-J Engineering Inc Dba D-J Engineering Inc (USA) |
| Reference | Meaning |
|---|---|
| 50-7990-73 | 3/2 Design control — primary reference U.S. Government activity |
NSN 1680-01-680-2381 is a Torque Tube Assembly,aircraft, manufactured by Infinity Fabrication, Inc., classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
NSN 1680-01-680-2381 has 8 manufacturer part numbers on file: 50-7990-73 (Infinity Fabrication, Inc.), 50-7990-73 (Aero Components, Llc), 50-7990-73 (Nordam Group Llc, the Div Nordam), 50-7990-73 (Malones Cnc Machining Inc), 50-7990-73 (Volumatic Inc Dba Volumatic Inc) and 3 more.
Key specifications for 50-7990-73: Part Name Assigned by Controlling Agency: TORQUE TUBE; End Item Identification: E-3 AIRCRAFT. 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.
NSN 1680-01-680-2381 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.