The Valve,ball, cataloged under National Stock Number 4820-01-685-4803, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Air Cooled Engine Co. Government technical data includes 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-685-4803 |
| Primary Part Number | 4CTG-2236XT B1-6 |
| Item Name | Valve,ball |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Air Cooled Engine Co |
| Status | ACTIVE |
| Operating Pressure | 2500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Valve Size | 0.750 INCHES IN |
| Media for Which Designed | HYDRAULIC FLUID, MINERAL BASE SINGLE RESPONSE |
| Material | STEEL BODY |
| 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 |
|---|---|
| 4CTG-2236XT B1-6 PRIMARY | Air Cooled Engine Co (USA) |
| Reference | Meaning |
|---|---|
| 4CTG-2236XT B1-6 | 5/2 Secondary reference U.S. Government activity |
NSN 4820-01-685-4803 is a Valve,ball, manufactured by Air Cooled Engine Co, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-685-4803 has 1 manufacturer part number on file: 4CTG-2236XT B1-6 (Air Cooled Engine Co).
Key specifications for 4CTG-2236XT B1-6: Operating Pressure: 2500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Valve Size: 0.750 INCHES IN; Media for Which Designed: HYDRAULIC FLUID, MINERAL BASE SINGLE RESPONSE; Part Name Assigned by Controlling Agency: SOCKET WELD BALLVALVE. 4 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.