The Tube,torque,actuato, cataloged under National Stock Number 1680-00-496-0259, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories group. The manufacturer of record is Thomas Instrument, Incorporated. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1680-00-496-0259 |
| Primary Part Number | 5901-155C |
| Item Name | Tube,torque,actuato |
| FSC / FSG | 1680 / 16 — Miscellaneous Aircraft Accessories and Components |
| Manufacturer | Thomas Instrument, Incorporated |
| 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 |
|---|---|
| 5901-155C | Thomas Instrument, Incorporated (USA) |
| Reference | Meaning |
|---|---|
| 5901-155B | 5/9 Secondary reference Speco Corp |
| 5901-155C | 3/2 Design control — primary reference U.S. Government activity |
| 5901-155C | 5/2 Secondary reference U.S. Government activity |
NSN 1680-00-496-0259 is a Tube,torque,actuato, manufactured by Thomas Instrument, Incorporated, classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
NSN 1680-00-496-0259 has 1 manufacturer part number on file: 5901-155C (Thomas Instrument, Incorporated).
Key specifications for 5901-155C: Special Features: OVERALL LENGTH OF ASSEMBLY IS 15.350 INCHES LONG. END IS 15 TOOTH-32/64 PITCH SPLINE 0.4688 PITCH DIA. 30 DEG. PRESSURE ANGLE, PLUS AS REQUIRED ITEMS IN; Part Name Assigned by Controlling Agency: TORQUE TUBE AND U-JOINT ASSEMBLY; End Item Identification: C-5 AIRCRAFT, FLAP ACTUATOR. 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 1680-00-496-0259 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.