The Protector,air Seal, cataloged under National Stock Number 4920-00-571-9019, is classified within Federal Supply Class 4920 (Aircraft Maintenance and Repair Shop Specialized Equipment) of the Maintenance and Repair Shop Equipment group. The manufacturer of record is General Electric Company. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Item Name | Protector,air Seal |
| FSC / FSG | 4920 — Aircraft Maintenance and Repair Shop Specialized Equipment (FSG 49) |
| Manufacturers | Rhinestahl Corporation Dba Rhinestahl (CAGE 5QE71); General Electric Company (CAGE 24446); General Electric Company (CAGE 07482); Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (CAGE 30003) |
| Parameter | Value |
|---|---|
| NSN | 4920-00-571-9019 |
| Primary Part Number | 21C1231G001 |
| Item Name | Protector,air Seal |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | General Electric Company |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 21C1231G001 | Rhinestahl Corporation Dba Rhinestahl (USA) |
| 21C1231G001 | General Electric Company (USA) |
| 21C1231G001 PRIMARY | General Electric Company (USA) |
| 21C1231G001 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| 21C1231G01 | Rhinestahl Corporation Dba Rhinestahl (USA) |
NSN 4920-00-571-9019 is a Protector,air Seal, manufactured by General Electric Company, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4920-00-571-9019 has 5 manufacturer part numbers on file: 21C1231G001 (Rhinestahl Corporation Dba Rhinestahl), 21C1231G001 (General Electric Company), 21C1231G001 (General Electric Company), 21C1231G001 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), 21C1231G01 (Rhinestahl Corporation Dba Rhinestahl).
No hazard code in the DLA record (HMIC N). 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.