The Valve,check, cataloged under National Stock Number 4820-01-422-7181, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is W. & O. Supply, Inc. Div Mobile. 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-422-7181 |
| Primary Part Number | 3G15BAPF-72 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | W. & O. Supply, Inc. Div Mobile |
| Status | ACTIVE |
| Flow Control Device | DISK |
| Flange Shape | ROUND ALL ENDS |
| Flange Face Design | PLAIN ALL ENDS |
| Mounting Position | HORIZONTAL OR VERTICAL |
| Connection Type | FLANGE ALL ENDS |
| Style Designator | STRAIGHT THRU FLANGED ENDS |
| Operating Pressure | 285.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Valve Size | 3.000 INCHES IN |
| Nominal Outside Diameter | 5.380 INCHES ALL ENDS IN |
| Disk Loading Method | SPRING |
| Face to Face Distance | 2.880 INCHES IN |
| Material | COPPER ALLOY BODY |
| Valve Operation Method | AUTOMATIC |
| 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 |
|---|---|
| 3G15BAPF-72 | W. & O. Supply, Inc. Div Mobile (USA) |
| 3G15BAPF-72 | W & O Supply Inc (USA) |
| Reference | Meaning |
|---|---|
| CD00028 3.00IN | 5/9 Secondary reference U.S. Government activity |
| 3G15BAPF-72 | 3/9 Design control — primary reference Mcc Holdings, Inc. Dba Crane Valve North America Div Crane Chempharma & Energy |
| G15BAPP-72 3.00 INCH | 5/9 Secondary reference U.S. Government activity |
| G15XPP-72 3.00IN | 5/9 Secondary reference U.S. Government activity |
NSN 4820-01-422-7181 is a Valve,check, manufactured by W. & O. Supply, Inc. Div Mobile, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-422-7181 has 2 manufacturer part numbers on file: 3G15BAPF-72 (W. & O. Supply, Inc. Div Mobile), 3G15BAPF-72 (W & O Supply Inc).
Key specifications for 3G15BAPF-72: Flow Control Device: DISK; Flange Shape: ROUND ALL ENDS; Flange Face Design: PLAIN ALL ENDS; Mounting Position: HORIZONTAL OR VERTICAL. 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.