The Labyrinth Bushing Actuator, cataloged under National Stock Number 1650-01-190-8178, is classified within Federal Supply Class 1650 (Aircraft Hydraulic, Vacuum, and De-icing System Components) of the Aircraft Components and Accessories group. The manufacturer of record is The Boeing Company Div Commercial. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 1650-01-190-8178 |
| Primary Part Number | 66-10294-2 |
| Item Name | Labyrinth Bushing Actuator |
| FSC / FSG | 1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components |
| Manufacturer | The Boeing Company Div Commercial |
| Status | ACTIVE |
| FSC Application Data | AIRCRAFT HYDRAULIC SYSTEM |
| General Characteristics Item Description | STEEL AISI 316,QQ-S-763 CLASS 316 OR 316L CONDITION A; 1.300 IN. LG; 1.249 IN. OD; 1ST END 1.249 IN. OD; 0.100 IN. TO GROOVE 1.139 IN. DIA DEEP; 0.092 IN. W; 0.753 IN. ID; 7 GROOVES 1.000 IN. DIA DEEP; 0.300 IN. W TO FIRST GROOVE; EACH GROOVE 0.060 IN. W; 2ND END 1.249 IN. OD; 0.753 IN. ID; COUNTER DRILLED 1.000 IN. ID; 0.100 IN. DEEP 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 |
| Part Number | Manufacturer |
|---|---|
| 66-10294-2 PRIMARY | The Boeing Company Div Commercial (USA) |
| Reference | Meaning |
|---|---|
| 66-10294-2 | 5/9 Secondary reference U.S. Government activity |
NSN 1650-01-190-8178 is a Labyrinth Bushing Actuator, manufactured by The Boeing Company Div Commercial, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
NSN 1650-01-190-8178 has 1 manufacturer part number on file: 66-10294-2 (The Boeing Company Div Commercial).
Key specifications for 66-10294-2: FSC Application Data: AIRCRAFT HYDRAULIC SYSTEM; General Characteristics Item Description: STEEL AISI 316,QQ-S-763 CLASS 316 OR 316L CONDITION A; 1.300 IN. LG; 1.249 IN. OD; 1ST END 1.249 IN. OD; 0.100 IN. TO GROOVE 1.139 IN. DIA DEEP; 0.092 IN. W; 0.753 IN. ID; 7 GROOVES 1.000 IN. DIA DEEP; 0.300 IN. W TO FIRST GROOVE; EACH GROOVE 0.060 IN. W; 2ND END 1.249 IN. OD; 0.753 IN. ID; COUNTER DRILLED 1.000 IN. ID; 0.100 IN. DEEP IN; End Item Identification: AIRCRAFT C/KC135. 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 1650-01-190-8178 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.