The Brake,multiple Disk, cataloged under National Stock Number 1630-00-652-6092, is classified within Federal Supply Class 1630 (Aircraft Wheel and Brake Systems) of the Aircraft Components and Accessories group. The manufacturer of record is Jay-Em Aerospace Corporation. Government technical data includes 12 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 | 1630-00-652-6092 |
| Primary Part Number | AA311721 |
| Item Name | Brake,multiple Disk |
| FSC / FSG | 1630 / 16 — Aircraft Wheel and Brake Systems |
| Manufacturer | Jay-Em Aerospace Corporation |
| Status | ACTIVE |
| Stationary Disk Thickness | 0.216 INCHES MINIMUM AND 0.220 INCHES MAXIMUM IN |
| Mounting Hole Quantity | 6 |
| Overall Diameter | 10.250 INCHES NOMINAL IN |
| Mounting Method | ANCHOR PLATE FLANGE |
| Mounting Hole Diameter | 0.3281 INCHES NOMINAL IN |
| Rotating Disk Outside Diameter | 9.750 INCHES NOMINAL IN |
| Bolt Circle Diameter | 4.250 INCHES NOMINAL IN |
| Installation Location | LEFT HAND SIDE OR RIGHT HAND SIDE |
| Rotating Disk Quantity | 2 |
| Wheel Size for Which Designed | 20 BY 4.4 IN. IN |
| Rotating Disk Thickness | 0.230 INCHES MINIMUM AND 0.240 INCHES MAXIMUM IN |
| Operation Method | HYDRAULIC |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| AA311720-1 | Jay-Em Aerospace Corporation (USA) |
| AA311721 PRIMARY | Jay-Em Aerospace Corporation (USA) |
NSN 1630-00-652-6092 is a Brake,multiple Disk, manufactured by Jay-Em Aerospace Corporation, classified under FSC 1630, Aircraft Wheel and Brake Systems. Status: active.
NSN 1630-00-652-6092 has 2 manufacturer part numbers on file: AA311720-1 (Jay-Em Aerospace Corporation), AA311721 (Jay-Em Aerospace Corporation).
Key specifications for AA311721: Stationary Disk Thickness: 0.216 INCHES MINIMUM AND 0.220 INCHES MAXIMUM IN; Mounting Hole Quantity: 6; Overall Diameter: 10.250 INCHES NOMINAL IN; Mounting Method: ANCHOR PLATE FLANGE. 12 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 1630-00-652-6092 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.