The Valve,ball, cataloged under National Stock Number 4820-01-495-1585, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 17 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-495-1585 |
| Item Name | Valve,ball |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Furnished Items and Quantity | 1 HANDLE |
| Connection Type | THREADED INTERNAL PIPE ALL ENDS |
| Style Designator | STRAIGHT THRU |
| Material Document and Classification | B124-C37700 ASSN STD 1ST MATERIAL RESPONSE OR B16-C36000 ASSN STD 2ND MATERIAL RESPONSE FLOW CONTROL DEVICE |
| Material Document and Classification | B124-C37700 ASSN STD 1ST MATERIAL RESPONSE OR B584-C857 ASSN STD 2ND MATERIAL RESPONSE BODY |
| Material Document and Classification | B16-C36000 ASSN STD SINGLE MATERIAL RESPONSE STEM |
| Material Document and Classification | POLYTETRAFLUOROETHYLENE MFR REF SINGLE MATERIAL RESPONSE PACKING |
| Operating Pressure | 600.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS |
| Operating Pressure | 125.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS |
| Nominal Thread Size | 1.000 INCHES ALL ENDS IN |
| Media for Which Designed | WATER-OIL-GAS FIRST RESPONSE |
| Media for Which Designed | STEAM SECOND RESPONSE |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE PACKING |
| Material | COPPER ALLOY 360 STEM |
| Material | COPPER ALLOY 377 OR COPPER ALLOY 360 FLOW CONTROL DEVICE |
| Material | COPPER ALLOY 377 OR COPPER ALLOY 857 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 |
| Reference | Meaning |
|---|---|
| 948-155 | 3/9 Design control — primary reference Vianney Industries, Llc Dba Midland Metal Manufacturing Company |
NSN 4820-01-495-1585 is a Valve,ball, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-01-495-1585: Furnished Items and Quantity: 1 HANDLE; Connection Type: THREADED INTERNAL PIPE ALL ENDS; Style Designator: STRAIGHT THRU; Material Document and Classification: B124-C37700 ASSN STD 1ST MATERIAL RESPONSE OR B16-C36000 ASSN STD 2ND MATERIAL RESPONSE FLOW CONTROL DEVICE. 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.