The Brake,single Disk, cataloged under National Stock Number 1630-01-375-0938, is classified within Federal Supply Class 1630 (Aircraft Wheel and Brake Systems) of the Aircraft Components and Accessories group. The manufacturer of record is Aircraft Wheel and Brake, Llc Dba Cleveland Wheel and Brake Systems. Government technical data includes 9 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1630-01-375-0938 |
| Primary Part Number | 030-16802 |
| Item Name | Brake,single Disk |
| FSC / FSG | 1630 / 16 — Aircraft Wheel and Brake Systems |
| Manufacturer | Aircraft Wheel and Brake, Llc Dba Cleveland Wheel and Brake Systems |
| Status | ACTIVE |
| Lining Friction Surface Area | 7.310 SQUARE INCHES NOMINAL |
| Hydraulic Cylinder Quantity | 2 |
| Overall Diameter | 9.974 INCHES MINIMUM AND 9.989 INCHES MAXIMUM IN |
| Lining Contact Surface Width | 1.955 INCHES MINIMUM AND 1.995 INCHES MAXIMUM IN |
| Hydraulic Cylinder Diameter | 4.751 INCHES MINIMUM AND 4.801 INCHES MAXIMUM IN |
| Installation Location | LEFT HAND FRONT AND RIGHT HAND FRONT |
| Braking Area Outside Diameter | 8.190 INCHES MINIMUM AND 8.310 INCHES MAXIMUM IN |
| Rotating Disk Thickness | 0.205 INCHES MINIMUM AND 0.210 INCHES MAXIMUM IN |
| Operation Method | HYDRAULIC |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 7-311221000-19 | The Boeing Company (USA) |
| 030-16802 PRIMARY | Aircraft Wheel and Brake, Llc Dba Cleveland Wheel and Brake Systems (USA) |
| Reference | Meaning |
|---|---|
| 7-311221000-19 | 5/9 Secondary reference Mcdonnell Douglas Helicopter Co Inc |
| 7-311221000 | D/9 Drawing number reference only Mcdonnell Douglas Helicopter Co Inc |
NSN 1630-01-375-0938 is a Brake,single Disk, manufactured by Aircraft Wheel and Brake, Llc Dba Cleveland Wheel and Brake Systems, classified under FSC 1630, Aircraft Wheel and Brake Systems. Status: active.
NSN 1630-01-375-0938 has 2 manufacturer part numbers on file: 7-311221000-19 (The Boeing Company), 030-16802 (Aircraft Wheel and Brake, Llc Dba Cleveland Wheel and Brake Systems).
Key specifications for 030-16802: Lining Friction Surface Area: 7.310 SQUARE INCHES NOMINAL; Hydraulic Cylinder Quantity: 2; Overall Diameter: 9.974 INCHES MINIMUM AND 9.989 INCHES MAXIMUM IN; Overall Width: 7.910 INCHES NOMINAL IN. 9 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.
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.