The Cylinder,hydraulic Brake,wheel, cataloged under National Stock Number 1630-00-127-4041, is classified within Federal Supply Class 1630 (Aircraft Wheel and Brake Systems) of the Aircraft Components and Accessories group. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 1630-00-127-4041 |
| Item Name | Cylinder,hydraulic Brake,wheel |
| FSC / FSG | 1630 / 16 — Aircraft Wheel and Brake Systems |
| Status | ACTIVE |
| Mounting Facility Diameter | 0.200 INCHES NOMINAL IN |
| Center to Center Distance Between Mounting Provisions | 2.562 INCHES NOMINAL IN |
| Design Characteristics | SINGLE ACTING SINGLE CYLINDER |
| Mounting Provision Arrangement Style | TWO HOLE |
| Bore Type | STRAIGHT |
| Material | ALUMINUM ALLOY BODY |
| Mounting Type and Location | FLANGE CYLINDER HEAD END |
| Mounting Provision | UNTHREADED MOUNTING HOLES |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 54-259 | 3/2 Design control — primary reference U.S. Government activity |
NSN 1630-00-127-4041 is a Cylinder,hydraulic Brake,wheel, classified under FSC 1630, Aircraft Wheel and Brake Systems. Status: active.
Key specifications for 1630-00-127-4041: Mounting Facility Diameter: 0.200 INCHES NOMINAL IN; Overall Height: 2.962 INCHES NOMINAL IN; Center to Center Distance Between Mounting Provisions: 2.562 INCHES NOMINAL IN; Design Characteristics: SINGLE ACTING SINGLE CYLINDER. 8 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 1630-00-127-4041 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.