The Valve,ball, cataloged under National Stock Number 4820-01-429-5433, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Engineered Coil Company Dba Engineered Coil Co Div Drs Marlo Coil. Government technical data includes 19 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-429-5433 |
| Primary Part Number | 19850B006 IT27 |
| Item Name | Valve,ball |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Engineered Coil Company Dba Engineered Coil Co Div Drs Marlo Coil |
| Status | ACTIVE |
| Furnished Items and Quantity | 1 HANDLE |
| Connection Style | SOCKET (TUBE) ALL ENDS |
| Minimum Operating Temp | -20.0 FAHRENHEIT DEGF |
| Connection Type | UNTHREADED INTERNAL TUBE ALL ENDS |
| Style Designator | STRAIGHT THRU |
| Nominal Outside Diameter Tube Accommodated | 1.500 INCHES ALL ENDS IN |
| Operating Pressure | 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS |
| Operating Pressure | 600.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS |
| Bonnet Type | INSIDE SCREW |
| Maximum Operating Temp | 360.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Bonnet Attachment Method | BOLTED |
| Media for Which Designed | WATER-OIL-GAS SECOND RESPONSE |
| Media for Which Designed | STEAM FIRST RESPONSE |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE PACKING |
| Material | COPPER ALLOY 844 BODY |
| Material | STEEL COMP 316 STEM |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE SEAT |
| Material | STEEL COMP 316 FLOW CONTROL DEVICE |
| 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 |
|---|---|
| 19850B006 IT27 | Engineered Coil Company Dba Engineered Coil Co Div Drs Marlo Coil (USA) |
| Reference | Meaning |
|---|---|
| 3810SJ-6 1-1/2IN | 3/9 Design control — primary reference Grinnell Corp Sub of Tyco Intl Us Inc |
| 3810SJ-6 1-1/2IN | 5/9 Secondary reference Tyco Intl Ltd |
NSN 4820-01-429-5433 is a Valve,ball, manufactured by Engineered Coil Company Dba Engineered Coil Co Div Drs Marlo Coil, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-429-5433 has 1 manufacturer part number on file: 19850B006 IT27 (Engineered Coil Company Dba Engineered Coil Co Div Drs Marlo Coil).
Key specifications for 19850B006 IT27: Furnished Items and Quantity: 1 HANDLE; Connection Style: SOCKET (TUBE) ALL ENDS; Minimum Operating Temp: -20.0 FAHRENHEIT DEGF; Connection Type: UNTHREADED INTERNAL TUBE ALL ENDS. 19 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.