The Flange,gland,valve, cataloged under National Stock Number 4820-01-198-4339, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4820-01-198-4339 |
| Item Name | Flange,gland,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Flange Shape | OVAL |
| Bolt Hole Nominal Diameter | 0.620 INCHES IN |
| Valve Size | 10.000 INCHES IN |
| Bolt Hole Quantity | 2 |
| Valve Type | GATE |
| Flange Width | 1.500 INCHES IN |
| Material | COPPER ALLOY |
| Flange Length | 0.938 INCHES IN |
| 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 |
|---|---|
| 803-2177917 | D/9 Drawing number reference only U.S. Government activity |
| 803-2177917 2 1/2IN PIECE 7 | 3/2 Design control — primary reference U.S. Government activity |
| 803-2177917-2 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 4820-01-198-4339 is a Flange,gland,valve, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-01-198-4339: Flange Shape: OVAL; Bolt Hole Nominal Diameter: 0.620 INCHES IN; Valve Size: 10.000 INCHES IN; Bolt Hole Quantity: 2. 8 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.