The Valve,ball, cataloged under National Stock Number 4820-01-430-2745, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Kennedy Valve Div of Itt Grinnell Valve Co Inc. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-430-2745 |
| Primary Part Number | 3913-C9 .50IN |
| Item Name | Valve,ball |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Kennedy Valve Div of Itt Grinnell Valve Co Inc |
| Status | ACTIVE |
| Furnished Items and Quantity | 1 HANDLE |
| Nominal Pipe Size Accommodated | 0.500 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 A108 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Operating Pressure | 1500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Maximum Operating Temp | 425.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Surface Treatment | PHOSPHATE |
| Media for Which Designed | WATER-OIL-GAS SINGLE RESPONSE |
| Material | STEEL COMP 12L14 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 |
|---|---|
| PL 1139-00-B2 ITEM 22 | Engineered Coil Company Dba Engineered Coil Co Div Drs Marlo Coil (USA) |
| 3913-C9 1/2IN | Grinnell Supply Sales Co Sub of Tyco Laboratories (USA) |
| PL 1139-00-B7 ITEM 60 | Engineered Coil Company Dba Engineered Coil Co Div Drs Marlo Coil (USA) |
| 3913-C9 .50IN PRIMARY | Kennedy Valve Div of Itt Grinnell Valve Co Inc (USA) |
| Reference | Meaning |
|---|---|
| 3913-C9-.50IN-S | C/1 Advisory reference — outside the item-of-supply concept Kennedy Valve Div of Itt Grinnell Valve Co Inc |
| 3913-C9.50IN-SW | C/1 Advisory reference — outside the item-of-supply concept Grinnell Corp Sub of Tyco Intl Us Inc |
| 1139-00-B7 | D/9 Drawing number reference only Engineered Coil Company Dba Engineered Coil Co Div Drs Marlo Coil |
| 1139-00-B2 | D/9 Drawing number reference only Engineered Coil Company Dba Engineered Coil Co Div Drs Marlo Coil |
NSN 4820-01-430-2745 is a Valve,ball, manufactured by Kennedy Valve Div of Itt Grinnell Valve Co Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-430-2745 has 4 manufacturer part numbers on file: PL 1139-00-B2 ITEM 22 (Engineered Coil Company Dba Engineered Coil Co Div Drs Marlo Coil), 3913-C9 1/2IN (Grinnell Supply Sales Co Sub of Tyco Laboratories), PL 1139-00-B7 ITEM 60 (Engineered Coil Company Dba Engineered Coil Co Div Drs Marlo Coil), 3913-C9 .50IN (Kennedy Valve Div of Itt Grinnell Valve Co Inc).
Key specifications for 3913-C9 .50IN: Furnished Items and Quantity: 1 HANDLE; Nominal Pipe Size Accommodated: 0.500 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.