The Valve,ball, cataloged under National Stock Number 4820-01-299-0197, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 15 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4820-01-299-0197 |
| Item Name | Valve,ball |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| Special Test Features | BORE DIAMETER (+.002 OR - .000): .878"; THREAD: .250-28UNF-2A A |
| Nominal Length | 2.810 INCHES FIRST END IN |
| Supplementary Features | MATERIAL FOR BODY AND TUBE ENDS: FORGING BRASS PER ASTM B-124, ALLOY 2;BALL AND STEM: CORROSION RESISTING STEEL, AISI 303, ANNEALED CONDITION;HANDLE:CARBON STEEL, WITH PLASTIC SLEEVE;HANDLE NUT, RETAINING NUT, BELLEVILLE WASHER, BODY BOLTS AND NUTS: CARBON STEEL;BODY SEALS AND SEATS: POLYTETRAFLUOROETHYLENE (PTF); STEM SEAL AND THRUST BEARING: POLYTETRAFLUOROETHLENE (PTF) 15%-25% GLASS FILLED;STEM SEAL FOLLOWER: CORROSION RESISTING STEEL, AISI CLASS 416;FINISH: HANDLE, HANDLE NUT, RETAINING NUT, BELLEVILLE WASHER BODY BOLTS AND NUTS SHALL BE CADMIUM PLATED .00015" TO .0002" THICK |
| Operating Pressure | 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Nominal Thread Size | 0.250 INCHES ALL ENDS IN |
| Maximum Operating Temp | 150.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Nominal Outside Diameter | 0.750 INCHES ALL ENDS IN |
| Surface Treatment | CADMIUM |
| Nominal Width | 2.00 INCHES FIRST END IN |
| Thread Quantity Per Inch | 28 ALL ENDS |
| Material | COPPER ALLOY BODY |
| Material | STEEL CORROSION RESISTING STEM |
| Material | PLASTIC TETRAFLUOROETHYLENE SEAT |
| Thread Series Designator | UNF ALL ENDS |
| 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 |
|---|---|
| 3/4"4416TTE | 5/9 Secondary reference U.S. Government activity |
| 3/4-415T-TE | 5/9 Secondary reference U.S. Government activity |
| 3/4" 441166TTTE | 3/9 Design control — primary reference U.S. Government activity |
| 2888034-4 | 7/2 Vendor item drawing reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
NSN 4820-01-299-0197 is a Valve,ball, classified under FSC 4820, Valves, Nonpowered. Status: active.
Key specifications for 4820-01-299-0197: Special Test Features: BORE DIAMETER (+.002 OR - .000): .878"; THREAD: .250-28UNF-2A A; Nominal Length: 2.810 INCHES FIRST END IN; Supplementary Features: MATERIAL FOR BODY AND TUBE ENDS: FORGING BRASS PER ASTM B-124, ALLOY 2;BALL AND STEM: CORROSION RESISTING STEEL, AISI 303, ANNEALED CONDITION;HANDLE:CARBON STEEL, WITH PLASTIC SLEEVE;HANDLE NUT, RETAINING NUT, BELLEVILLE WASHER, BODY BOLTS AND NUTS: CARBON STEEL;BODY SEALS AND SEATS: POLYTETRAFLUOROETHYLENE (PTF); STEM SEAL AND THRUST BEARING: POLYTETRAFLUOROETHLENE (PTF) 15%-25% GLASS FILLED;STEM SEAL FOLLOWER: CORROSION RESISTING STEEL, AISI CLASS 416;FINISH: HANDLE, HANDLE NUT, RETAINING NUT, BELLEVILLE WASHER BODY BOLTS AND NUTS SHALL BE CADMIUM PLATED .00015" TO .0002" THICK; Operating Pressure: 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS. 15 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.