The Tool Set Install,ai, cataloged under National Stock Number 4920-01-488-6493, is classified within Federal Supply Class 4920 (Aircraft Maintenance and Repair Shop Specialized Equipment) of the Maintenance and Repair Shop Equipment group. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Tool Set Install,ai |
| FSC / FSG | 4920 — Aircraft Maintenance and Repair Shop Specialized Equipment (FSG 49) |
| Parameter | Value |
|---|---|
| NSN | 4920-01-488-6493 |
| Item Name | Tool Set Install,ai |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| CUTA1870904C | 3/2 Design control — primary reference U.S. Government activity |
NSN 4920-01-488-6493 is a Tool Set Install,ai, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
Key specifications for 4920-01-488-6493: Special Features: THE TOOL SET CONTAINS A BODY TOOL, A PIN EXTRACTION TOOL A PIN INSTALLATION TOOL, AND A STRIKER. THE BODY TOOL IS ALSO USED TO PUSH THE RFI VALVE INSERT FIRMALY INTO THE REAMED BORE OF THE MANFOLD. THE PIN INSTALLATION TOOL IS THEN USED TO PRESS THE EXPANDER PIN INTO THE VALVE BODY SO THAT THE EXTERNAL LANDS BITE THE CAVITY WALL TO SEAL AND LOCK THE INSERT IN PLACE.; Part Name Assigned by Controlling Agency: TOOL SET, INTALLATION/EXTRACTION; End Item Identification: F/A-18. 0 specifications are documented in the U.S. Government catalog.
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.