The Valve,ball, cataloged under National Stock Number 4820-01-429-9918, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Grinnell Supply Sales Co Sub of Tyco Laboratories. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-429-9918 |
| Primary Part Number | GR3933-C9-GRSR8(44)A50147AT |
| Item Name | Valve,ball |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Grinnell Supply Sales Co Sub of Tyco Laboratories |
| Status | ACTIVE |
| Furnished Items and Quantity | 1 HANDLE |
| Nominal Pipe Size Accommodated | 1.000 INCHES ALL ENDS IN |
| Connection Style | SOCKET ALL ENDS |
| Minimum Operating Temp | -20.0 FAHRENHEIT DEGF |
| Connection Type | UNTHREADED INTERNAL PIPE ALL ENDS |
| Style Designator | STRAIGHT THRU |
| Material Document and Classification | ASTM A351 GR CF8M ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Operating Pressure | 1000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Bonnet Type | PACKING RETAINING |
| Maximum Operating Temp | 425.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Media for Which Designed | WATER-OIL-GAS SINGLE RESPONSE |
| Material | STEEL CORROSION RESISTING OVERALL |
| 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 |
|---|---|
| 19850B002 IT39 | Engineered Coil Company Dba Engineered Coil Co Div Drs Marlo Coil (USA) |
| GR3933-C9-GRSR8(44)A50147AT PRIMARY | Grinnell Supply Sales Co Sub of Tyco Laboratories (USA) |
NSN 4820-01-429-9918 is a Valve,ball, manufactured by Grinnell Supply Sales Co Sub of Tyco Laboratories, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-429-9918 has 2 manufacturer part numbers on file: 19850B002 IT39 (Engineered Coil Company Dba Engineered Coil Co Div Drs Marlo Coil), GR3933-C9-GRSR8(44)A50147AT (Grinnell Supply Sales Co Sub of Tyco Laboratories).
Key specifications for GR3933-C9-GRSR8(44)A50147AT: Furnished Items and Quantity: 1 HANDLE; Nominal Pipe Size Accommodated: 1.000 INCHES ALL ENDS IN; Connection Style: SOCKET ALL ENDS; Minimum Operating Temp: -20.0 FAHRENHEIT DEGF. 13 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.