The Plate,shaft Cover, cataloged under National Stock Number 1720-01-499-9554, is classified within Federal Supply Class 1720 (Aircraft Launching Equipment) of the Aircraft Launch, Landing, and Ground Handling Equipment group. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1720-01-499-9554 |
| Item Name | Plate,shaft Cover |
| FSC / FSG | 1720 / 17 — Aircraft Launching Equipment |
| Status | ACTIVE |
| Overall Diameter | 11.000 INCHES NOMINAL IN |
| Material | STEEL |
| 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 |
|---|---|
| 511108-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 1720-01-499-9554 is a Plate,shaft Cover, classified under FSC 1720, Aircraft Launching Equipment. Status: active.
Key specifications for 1720-01-499-9554: Overall Diameter: 11.000 INCHES NOMINAL IN; Special Features: 7/8 IN. THICK; USED ON A LOW-LOSS LAUNCH VALVE CONTROLS ASSY IN; Material: STEEL. 2 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.