The Sleeve,directional, cataloged under National Stock Number 1650-00-053-5149, 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2 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1650-00-053-5149 |
| Item Name | Sleeve,directional |
| FSC / FSG | 1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components |
| Status | ACTIVE |
| FSC Application Data | CYLINDER ASSEMBLY,ACTUATING,LINEAR,AIRCRAFT HYDRAULIC |
| General Characteristics Item Description | BRASS QQ-B-637 HALF HARD CLASS A,INTERNAL AND EXTERNALPACKING GROOVES,FLUID PORTS AND PASSAGES,1.348 IN. MIN LG,1.352 IN. MAX LG,1.496 IN. MIN OD 3 PLACES,1.497 IN. MAX OD 3PLACES,0.812 IN. MIN BORE DIA 3 PLACES,0.814 IN. MAX BORE DIA3 PLACES IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 3-43262-1 | C/1 Advisory reference — outside the item-of-supply concept Northrop Grumman Technical Services, Inc. Dba Defense Systems Sector |
| 3-43262-1 | 3/9 Design control — primary reference Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems |
NSN 1650-00-053-5149 is a Sleeve,directional, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5940-01-180-0070. Verify interchangeability with system specifications before substitution.
Key specifications for 1650-00-053-5149: FSC Application Data: CYLINDER ASSEMBLY,ACTUATING,LINEAR,AIRCRAFT HYDRAULIC; General Characteristics Item Description: BRASS QQ-B-637 HALF HARD CLASS A,INTERNAL AND EXTERNALPACKING GROOVES,FLUID PORTS AND PASSAGES,1.348 IN. MIN LG,1.352 IN. MAX LG,1.496 IN. MIN OD 3 PLACES,1.497 IN. MAX OD 3PLACES,0.812 IN. MIN BORE DIA 3 PLACES,0.814 IN. MAX BORE DIA3 PLACES IN. 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.
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.