The Guard,servo Cylinder, cataloged under National Stock Number 1650-01-172-4986, is classified within Federal Supply Class 1650 (Aircraft Hydraulic, Vacuum, and De-icing System 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2 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 1650-01-172-4986 |
| Item Name | Guard,servo Cylinder |
| FSC / FSG | 1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components |
| Status | ACTIVE |
| General Characteristics Item Description | 2024-T6 ALUMINUM ALLOY PER QQ-A-225/6; 7.525 IN. O/A LG; 0.672 IN. MIN,0.674 IN. MAX DIA ONE END; 0.775 IN. DIA OTHER END; SLOT THRU ONE WALL IS 0.250 IN. W AND 6.860 IN. L; 1.600 IN. DIA COLLAR WITH 3 EQUALLY SPACED HOLES 0.193 IN. MIN,0.199 IN. MAX DIA DRILLED 0.600 IN. FROM CENTER OF GUARD AT SMALLEST END; COLLAR IS 0.125 IN. THICK IN |
| Specification/standard Data | 82106-266660 MANUFACTURERS SPECIFICATION |
| 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 |
|---|---|
| 266660-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 1650-01-172-4986 is a Guard,servo Cylinder, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
Key specifications for 1650-01-172-4986: General Characteristics Item Description: 2024-T6 ALUMINUM ALLOY PER QQ-A-225/6; 7.525 IN. O/A LG; 0.672 IN. MIN,0.674 IN. MAX DIA ONE END; 0.775 IN. DIA OTHER END; SLOT THRU ONE WALL IS 0.250 IN. W AND 6.860 IN. L; 1.600 IN. DIA COLLAR WITH 3 EQUALLY SPACED HOLES 0.193 IN. MIN,0.199 IN. MAX DIA DRILLED 0.600 IN. FROM CENTER OF GUARD AT SMALLEST END; COLLAR IS 0.125 IN. THICK IN; Specification/standard Data: 82106-266660 MANUFACTURERS SPECIFICATION. 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 1650-01-172-4986 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.