The Piston,annular Brak, cataloged under National Stock Number 1630-00-736-4663, 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 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1630-00-736-4663 |
| Primary Part Number | AP218551 |
| Item Name | Piston,annular Brak |
| FSC / FSG | 1630 / 16 — Aircraft Wheel and Brake Systems |
| Manufacturer | Jay-Em Aerospace Corporation |
| Status | ACTIVE |
| General Characteristics Item Description | ALUMINUM,0.875 IN. LG,6.147 IN. ID,6.483 IN. OD,ANODIZE FINISH IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| AP218551 PRIMARY | Jay-Em Aerospace Corporation (USA) |
| Reference | Meaning |
|---|---|
| AP218551 | 5/9 Secondary reference Continental Tire the Americas, Llc Dba Continental Tires |
NSN 1630-00-736-4663 is a Piston,annular Brak, manufactured by Jay-Em Aerospace Corporation, classified under FSC 1630, Aircraft Wheel and Brake Systems. Status: active.
NSN 1630-00-736-4663 has 1 manufacturer part number on file: AP218551 (Jay-Em Aerospace Corporation).
Key specifications for AP218551: General Characteristics Item Description: ALUMINUM,0.875 IN. LG,6.147 IN. ID,6.483 IN. OD,ANODIZE FINISH IN. 1 specification is 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 1630-00-736-4663 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.