The Valve Assy,main,ste, cataloged under National Stock Number 4820-01-421-5753, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-421-5753 |
| Item Name | Valve Assy,main,ste |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| General Characteristics Item Description | NO TECH REVIEW OR CHARACTERISTICS DATA |
| 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 |
|---|---|
| A66-004801 | 3/9 Design control — primary reference Pelton and Crane Co |
| NAVY 1993 3379 | 5/1 Secondary reference U.S. Government activity |
| LLH380428 | 5/1 Secondary reference Naval Medical Material Support Command Detachment |
NSN 4820-01-421-5753 is a Valve Assy,main,ste, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-01-421-5753: General Characteristics Item Description: NO TECH REVIEW OR CHARACTERISTICS DATA. 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.