The Valve,diaphragm,stop, cataloged under National Stock Number 4820-01-494-2333, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Crane Co Div Valve Div. Government technical data includes 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-494-2333 |
| Primary Part Number | 3-3303-11-C |
| Item Name | Valve,diaphragm,stop |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Crane Co Div Valve Div |
| Status | ACTIVE |
| Flange Shape | ROUND WITH HOLES ALL ENDS |
| Flange Face Design | PLAIN ALL ENDS |
| Connection Type | FLANGE ALL ENDS |
| Style Designator | STRAIGHT THRU FLANGED ENDS |
| Face to Face Distance | 10.0000 INCHES IN |
| Material | COPPER ALLOY 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 |
|---|---|
| 3-3303-11-C PRIMARY | Crane Co Div Valve Div (USA) |
| Reference | Meaning |
|---|---|
| 3-3303-11-C | 5/9 Secondary reference Alfa Laval Saunders Inc. |
NSN 4820-01-494-2333 is a Valve,diaphragm,stop, manufactured by Crane Co Div Valve Div, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-494-2333 has 1 manufacturer part number on file: 3-3303-11-C (Crane Co Div Valve Div).
Key specifications for 3-3303-11-C: Flange Shape: ROUND WITH HOLES ALL ENDS; Flange Face Design: PLAIN ALL ENDS; Connection Type: FLANGE ALL ENDS; Style Designator: STRAIGHT THRU FLANGED ENDS. 7 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.