The Valve,gate, cataloged under National Stock Number 4820-01-274-9133, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 23 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-274-9133 |
| Item Name | Valve,gate |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Inlet Relationship with Outlet | IDENTICAL |
| Flange Face Design | PLAIN |
| Maximum Operating Temp and Media for Which Designed | 450.0 FAHRENHEIT STEAM DEGF |
| Operating Pressure and Type | 300.0 POUNDS PER SQUARE INCH (PSI) STEAM MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS |
| Stem Type | NONRISING |
| Connection Type | FLANGE, ROUND W/HOLES |
| Material Document and Classification | ASTM B147,ALLOY 8A ASSN STD SINGLE MATERIAL RESPONSE STEM A |
| Material Document and Classification | ASTM B61 ASSN STD 1ST MATERIAL RESPONSE OR ASTM B62 ASSN STD 2ND MATERIAL RESPONSE BODY |
| Material Document and Classification | ASTM B61 ASSN STD 1ST MATERIAL RESPONSE OR ASTM B62 ASSN STD 2ND MATERIAL RESPONSE DISK |
| Material Document and Classification | ASTM B61 ASSN STD 1ST MATERIAL RESPONSE OR ASTM B62 ASSN STD 2ND MATERIAL RESPONSE SEAT |
| Valve Size | 4.000 INCHES IN |
| Features Provided | BONNET PACKING |
| Bonnet Type | OUTSIDE SCREW-YOKE |
| Bolt Hole Quantity | 8 |
| Flange Diameter | 9.000 INCHES IN |
| Bonnet Attachment Method | BOLTED |
| Face to Face Distance | 9.000 INCHES IN |
| Pressure Class | ERR-060 |
| Material | COPPER ALLOY STEM |
| Material | COPPER ALLOY 922 OR COPPER ALLOY 836 BODY |
| Material | COPPER ALLOY 922 OR COPPER ALLOY 836 DISK |
| Material | COPPER ALLOY 922 OR COPPER ALLOY 836 SEAT |
| 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 |
| Reference | Meaning |
|---|---|
| FIG NO B-102-A SIZE 4 IN | 3/9 Design control — primary reference Pima Valve, Llc |
| FIG NO B-102-A SIZE 4 IN | C/1 Advisory reference — outside the item-of-supply concept Hunt Valve Company, Inc. |
| ASIB102A1 4IN | 5/9 Secondary reference Pima Valve, Llc |
| ASIB102A1-4 | C/1 Advisory reference — outside the item-of-supply concept Pima Valve, Llc |
NSN 4820-01-274-9133 is a Valve,gate, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-01-274-9133: Inlet Relationship with Outlet: IDENTICAL; Flange Face Design: PLAIN; Maximum Operating Temp and Media for Which Designed: 450.0 FAHRENHEIT STEAM DEGF; Operating Pressure and Type: 300.0 POUNDS PER SQUARE INCH (PSI) STEAM MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS. 23 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.