The Disk,valve, cataloged under National Stock Number 4820-01-247-3983, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Kennedy Valve Div of Itt Grinnell Valve Co Inc. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-247-3983 |
| Primary Part Number | GN771B3 |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Kennedy Valve Div of Itt Grinnell Valve Co Inc |
| Status | ACTIVE |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OR IRON |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| GN771B3 PRIMARY | Kennedy Valve Div of Itt Grinnell Valve Co Inc (USA) |
| Reference | Meaning |
|---|---|
| 2115173 | 5/9 Secondary reference Kennedy Valve Div of Itt Grinnell Valve Co Inc |
| 2115172 | 5/9 Secondary reference Kennedy Valve Div of Itt Grinnell Valve Co Inc |
| 3GLBF771-11-23 | 5/9 Secondary reference U.S. Government activity |
NSN 4820-01-247-3983 is a Disk,valve, manufactured by Kennedy Valve Div of Itt Grinnell Valve Co Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-247-3983 has 1 manufacturer part number on file: GN771B3 (Kennedy Valve Div of Itt Grinnell Valve Co Inc).
Key specifications for GN771B3: Special Features: DISK FOR 3.000IN BUTTERFLY VALVE IN; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OR IRON. 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.