The Valve,gate, cataloged under National Stock Number 4820-01-473-3035, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is AC Valve & Control Corp Div AC Valve & Control Corporation. Government technical data includes 14 specifications, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-473-3035 |
| Primary Part Number | 77-6 4IN |
| Item Name | Valve,gate |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | AC Valve & Control Corp Div AC Valve & Control Corporation |
| Status | ACTIVE |
| Furnished Items and Quantity | 1 HANDWHEEL |
| Inlet Relationship with Outlet | IDENTICAL |
| Flange Face Design | PLAIN |
| Stem Type | NONRISING |
| Connection Type | FLANGE, ROUND W/HOLES |
| Valve Size | 4.000 INCHES IN |
| Bonnet Type | INSIDE SPRING |
| Bolt Hole Quantity | 8 |
| Flange Diameter | 9.000 INCHES IN |
| Bonnet Attachment Method | BOLTED |
| Face to Face Distance | 2.000 INCHES IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEAT |
| Material | STEEL CORROSION RESISTING BODY |
| Valve Operation Method | MANUAL |
| 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 |
|---|---|
| 77-6 4IN PRIMARY | AC Valve & Control Corp Div AC Valve & Control Corporation (USA) |
NSN 4820-01-473-3035 is a Valve,gate, manufactured by AC Valve & Control Corp Div AC Valve & Control Corporation, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-473-3035 has 1 manufacturer part number on file: 77-6 4IN (AC Valve & Control Corp Div AC Valve & Control Corporation).
Key specifications for 77-6 4IN: Furnished Items and Quantity: 1 HANDWHEEL; Inlet Relationship with Outlet: IDENTICAL; Flange Face Design: PLAIN; Stem Type: NONRISING. 14 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.