The Spool Stop, cataloged under National Stock Number 4810-01-456-9540, is classified within Federal Supply Class 4810 (Valves, Powered) of the Valves group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4810-01-456-9540 |
| Item Name | Spool Stop |
| FSC / FSG | 4810 / 48 — Valves, Powered |
| Status | ACTIVE |
| General Characteristics Item Description | 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 |
|---|---|
| 53397-1 | 3/9 Design control — primary reference Moog Inc |
| PMS-PSS-205 FIND 11 | 5/9 Secondary reference Moog Inc |
NSN 4810-01-456-9540 is a Spool Stop, classified under FSC 4810, Valves, Powered. Status: active.
Key specifications for 4810-01-456-9540: General Characteristics Item Description: STEEL; End Item Identification: SERVOVALVE, CAGE 03950; WEAPON CODE JS, WHIDBEY ISLAND CLASS LSD. 1 specification is 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.