The Valve,ball, cataloged under National Stock Number 4820-01-057-9885, 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23 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-057-9885 |
| Item Name | Valve,ball |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Recess Nominal Depth | 0.062 INCHES ALL ENDS IN |
| Flange Shape | RECTANGULAR WITH HOLES ALL ENDS |
| Flange Face Design | RECESSED WITH GASKET GROOVE ALL ENDS |
| Nominal Length | 2.375 INCHES ALL ENDS IN |
| Connection Type | FLANGE ALL ENDS |
| Style Designator | STRAIGHT THRU FLANGED ENDS |
| Material Document and Classification | FED STD 66,AISI 316L/SAE 30316L FED STD FED SPEC SINGLE MATERIAL RESPONSE BODY |
| Material Document and Classification | FED STD 66,AISI 316L/SAE 30316L FED STD FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE |
| Bolt Hole Nominal Diameter | 0.328 INCHES ALL ENDS IN |
| Operating Pressure | 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Valve Size | 1.000 INCHES IN |
| Center to Center Nominal Distance Between Bolt Holes Along Width | 1.750 INCHES ALL ENDS IN |
| Bolt Hole Quantity | 4 ALL ENDS |
| Nominal Width | 2.375 INCHES ALL ENDS IN |
| Face to Face Distance | 1.263 INCHES IN |
| Center to Center Nominal Distance Between Bolt Holes Along Length | 1.750 INCHES ALL ENDS IN |
| Media for Which Designed | WATER-OIL-GAS SINGLE RESPONSE |
| Material | RUBBER SEAT |
| Material | STEEL COMP 316L BODY |
| Material | STEEL COMP 316L FLOW CONTROL DEVICE |
| Valve Operation Method | MANUAL |
| Nominal Thickness | 1.263 INCHES ALL ENDS IN |
| Recess Nominal Diameter | 1.620 INCHES ALL ENDS IN |
| 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 |
|---|---|
| 1IN 466B NPP124A | 3/9 Design control — primary reference U.S. Government activity |
NSN 4820-01-057-9885 is a Valve,ball, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-01-057-9885: Recess Nominal Depth: 0.062 INCHES ALL ENDS IN; Flange Shape: RECTANGULAR WITH HOLES ALL ENDS; Flange Face Design: RECESSED WITH GASKET GROOVE ALL ENDS; Nominal Length: 2.375 INCHES ALL ENDS IN. 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.