The Valve,gate, cataloged under National Stock Number 4820-01-256-0656, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Flowserve Inc. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-256-0656 |
| Primary Part Number | 3/4 IN 12111 |
| Item Name | Valve,gate |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Flowserve Inc |
| Status | ACTIVE |
| Inlet Relationship with Outlet | IDENTICAL |
| Maximum Operating Temp and Media for Which Designed | 100.0 FAHRENHEIT WATER-OIL-GAS DEGF |
| Operating Pressure and Type | 2000.0 POUNDS PER SQUARE INCH (PSI) WATER AND OTHER LIQUIDS MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS |
| Stem Type | RISING |
| Connection Type | THREADED INTERNAL PIPE |
| Valve Size | 0.750 INCHES IN |
| Features Provided | BONNET PACKING |
| Bonnet Type | OUTSIDE SCREW-YOKE |
| Nominal Thread Size | 0.750 INCHES IN |
| Bonnet Attachment Method | BOLTED |
| Pressure Class | ERR-060 |
| Material | STEEL BODY |
| Material | STEEL DISK |
| Material | STEEL SEAT |
| Material | STEEL STEM |
| Thread Series Designator | NPT |
| 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 |
|---|---|
| E-40404 FIGURE 12111 3-4IN | Flowserve Inc (USA) |
| 3/4 IN 12111 PRIMARY | Flowserve Inc (USA) |
| 12111 .75FPT | Flowserve Inc (USA) |
| Reference | Meaning |
|---|---|
| 12111-E-40404 | C/1 Advisory reference — outside the item-of-supply concept Flowserve Inc |
| 12111 .75IPS | C/1 Advisory reference — outside the item-of-supply concept Flowserve Inc |
NSN 4820-01-256-0656 is a Valve,gate, manufactured by Flowserve Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-256-0656 has 3 manufacturer part numbers on file: E-40404 FIGURE 12111 3-4IN (Flowserve Inc), 3/4 IN 12111 (Flowserve Inc), 12111 .75FPT (Flowserve Inc).
Key specifications for 3/4 IN 12111: Inlet Relationship with Outlet: IDENTICAL; Maximum Operating Temp and Media for Which Designed: 100.0 FAHRENHEIT WATER-OIL-GAS DEGF; Operating Pressure and Type: 2000.0 POUNDS PER SQUARE INCH (PSI) WATER AND OTHER LIQUIDS MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS; Stem Type: RISING. 17 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.