The Button,valve, cataloged under National Stock Number 4820-01-174-9481, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 3 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4820-01-174-9481 |
| Item Name | Button,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Overall Diameter | 1.468 INCHES NOMINAL IN |
| General Characteristics Item Description | CRES;1.468 IN. DIA;0.406 IN. THK;CONCAVE ONE SIDE IN |
| Material | STEEL CORROSION RESISTING |
| 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 |
|---|---|
| VF817 | 3/9 Design control — primary reference Dresser, Inc. Dba Dresser Equipment Group Div Industrial Valve Operations, Dresse |
| 5VQE72 PIECE 5C | 5/9 Secondary reference Dresser, Inc. Dba Dresser Equipment Group Div Industrial Valve Operations, Dresse |
NSN 4820-01-174-9481 is a Button,valve, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-01-174-9481: Overall Height: 0.406 INCHES NOMINAL IN; Overall Diameter: 1.468 INCHES NOMINAL IN; General Characteristics Item Description: CRES;1.468 IN. DIA;0.406 IN. THK;CONCAVE ONE SIDE IN; Special Features: CONCAVE ONE SIDE. 3 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.