The Valve,gate, cataloged under National Stock Number 4820-01-538-8227, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Flowserve Inc. Government technical data includes 20 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4820-01-538-8227 |
| Primary Part Number | SW12111-09 2.00IN |
| Item Name | Valve,gate |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Flowserve Inc |
| Status | ACTIVE |
| Furnished Items and Quantity | 1 HANDWHEEL |
| Inlet Relationship with Outlet | IDENTICAL |
| Nominal Pipe Size Accommodated | 2.411 INCHES IN |
| Maximum Operating Temp and Media for Which Designed | 100.0 FAHRENHEIT OIL, LUBRICATING, DIESTER BASE DEGF |
| Operating Pressure and Type | 1975.0 POUNDS PER SQUARE INCH (PSI) LUBRICATING OIL DIESTER BASE MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS |
| Stem Type | RISING |
| Connection Type | SOCKET, WELD, PIPE |
| Material Document and Classification | ASTM A105 ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Material Document and Classification | ASTM A479 T410 HF/SSTL ASSN STD SINGLE MATERIAL RESPONSE SEAT |
| Material Document and Classification | ASTM A479 TYPE 410/SSTL 13CR ASSN STD SINGLE MATERIAL RESPONSE DISK |
| Material Document and Classification | ASTM A479 TYPE 410/SSTL 13CR ASSN STD SINGLE MATERIAL RESPONSE STEM |
| Valve Size | 2.000 INCHES IN |
| Bonnet Type | OUTSIDE SCREW-YOKE |
| Bonnet Attachment Method | BOLTED |
| Pressure Class | ERR-060 |
| Material | STEEL BODY |
| Material | STEEL DISK |
| Material | STEEL SEAT |
| Material | STEEL STEM |
| 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 |
|---|---|
| 40408-2 ASSY SW12111-09 2.00IN | Flowserve Inc (USA) |
| SW12111-09 2.00IN PRIMARY | Flowserve Inc (USA) |
| Reference | Meaning |
|---|---|
| 40408-2 | D/9 Drawing number reference only Flowserve Inc |
NSN 4820-01-538-8227 is a Valve,gate, manufactured by Flowserve Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-538-8227 has 2 manufacturer part numbers on file: 40408-2 ASSY SW12111-09 2.00IN (Flowserve Inc), SW12111-09 2.00IN (Flowserve Inc).
Key specifications for SW12111-09 2.00IN: Furnished Items and Quantity: 1 HANDWHEEL; Inlet Relationship with Outlet: IDENTICAL; Nominal Pipe Size Accommodated: 2.411 INCHES IN; Maximum Operating Temp and Media for Which Designed: 100.0 FAHRENHEIT OIL, LUBRICATING, DIESTER BASE DEGF. 20 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.