The Spline Tube,rudder, cataloged under National Stock Number 1680-01-174-4816, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories group. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1680-01-174-4816 |
| Item Name | Spline Tube,rudder |
| FSC / FSG | 1680 / 16 — Miscellaneous Aircraft Accessories and Components |
| Status | ACTIVE |
| FSC Application Data | POWER TRIM RUDDER CONTROL |
| General Characteristics Item Description | ALUM ALLOY PER QQ-A-225/9,COMP 7075-T6;3.640 IN. LG BY 1.300 IN. DIA O/A;19 INTERNAL INVOLUTE SPLINE TEETH,1.0400 IN. MAJOR DIA BY 0.9000 IN. MINOR DIA BY 0.9500 IN. PD BY 30.0 DEG PRESSURE ANGLE BY 63.0 AA MICROINCH SURFACE FINISH;0.190 IN. DIA HOLE THRU LOCATED TWO PLACES 0.330 IN. FROM BOTH ENDS IN |
| 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 |
| Reference | Meaning |
|---|---|
| 69-31639-501 | 3/2 Design control — primary reference U.S. Government activity |
NSN 1680-01-174-4816 is a Spline Tube,rudder, classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
Key specifications for 1680-01-174-4816: FSC Application Data: POWER TRIM RUDDER CONTROL; General Characteristics Item Description: ALUM ALLOY PER QQ-A-225/9,COMP 7075-T6;3.640 IN. LG BY 1.300 IN. DIA O/A;19 INTERNAL INVOLUTE SPLINE TEETH,1.0400 IN. MAJOR DIA BY 0.9000 IN. MINOR DIA BY 0.9500 IN. PD BY 30.0 DEG PRESSURE ANGLE BY 63.0 AA MICROINCH SURFACE FINISH;0.190 IN. DIA HOLE THRU LOCATED TWO PLACES 0.330 IN. FROM BOTH ENDS IN; End Item Identification: C-135 ACFT. 2 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 1680-01-174-4816 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.