The Brake,single Disk, cataloged under National Stock Number 1630-00-528-1858, is classified within Federal Supply Class 1630 (Aircraft Wheel and Brake Systems) of the Aircraft Components and Accessories group. The manufacturer of record is Meggitt Aircraft Braking Systems Corporation. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1630-00-528-1858 |
| Primary Part Number | 9540918 |
| Item Name | Brake,single Disk |
| FSC / FSG | 1630 / 16 — Aircraft Wheel and Brake Systems |
| Manufacturer | Meggitt Aircraft Braking Systems Corporation |
| Status | ACTIVE |
| Mounting Hole Quantity | 12 |
| FSC Application Data | WHEEL,LANDING GEAR,ACFT |
| Lining Friction Surface Area | 88.580 SQUARE INCHES NOMINAL |
| Hydraulic Cylinder Quantity | 4 |
| Overall Diameter | 21.200 INCHES NOMINAL IN |
| Mounting Method | ANCHOR PLATE FLANGE |
| Mounting Hole Diameter | 0.812 INCHES NOMINAL IN |
| Lining Contact Surface Width | 3.375 INCHES MAXIMUM IN |
| Bolt Circle Diameter | 8.000 INCHES NOMINAL IN |
| Hydraulic Cylinder Diameter | 3.375 INCHES NOMINAL IN |
| Installation Location | LEFT HAND SIDE OR RIGHT HAND SIDE |
| Wheel Size for Which Designed | 20 BY 20 IN. IN |
| Braking Area Outside Diameter | 20.500 INCHES MAXIMUM IN |
| Rotating Disk Thickness | 1.062 INCHES NOMINAL IN |
| Operation Method | HYDRAULIC |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | N |
NSN 1630-00-528-1858 is a Brake,single Disk, manufactured by Meggitt Aircraft Braking Systems Corporation, classified under FSC 1630, Aircraft Wheel and Brake Systems. Status: active.
NSN 1630-00-528-1858 has 2 manufacturer part numbers on file: 9540918 (Meggitt Aircraft Braking Systems Corporation), 9540918 (Goodyear Tire and Rubber Co the).
Key specifications for 9540918: Mounting Hole Quantity: 12; FSC Application Data: WHEEL,LANDING GEAR,ACFT; Lining Friction Surface Area: 88.580 SQUARE INCHES NOMINAL; Hydraulic Cylinder Quantity: 4. 15 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 1630-00-528-1858 has DEMIL Code B. 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.