The Valve,check, cataloged under National Stock Number 4820-01-150-6412, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Transdigm Inc Div Adelwiggins Group. Government technical data includes 18 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-150-6412 |
| Primary Part Number | G234E8 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Transdigm Inc Div Adelwiggins Group |
| Status | ACTIVE |
| Flow Control Device | POPPET |
| Furnished Items and Quantity | 1 CAP AND 1 CHAIN |
| Connection Style | EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END |
| Mounting Position | HORIZONTAL |
| Criticality Code Justification | FEAT |
| Connection Type | UNTHREADED INTERNAL TUBE FIRST END |
| Connection Type | THREADED EXTERNAL TUBE SECOND END |
| Style Designator | STRAIGHT THRU |
| Operating Pressure | 40.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Thread Direction | RIGHT-HAND SECOND END |
| Nominal Thread Size | 0.750 INCHES ALL ENDS IN |
| Maximum Operating Temp | 375.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Disk Loading Method | SPRING |
| Media for Which Designed | FUEL/OIL, HYDROCARBON SINGLE RESPONSE |
| Thread Class | 3A SECOND END A |
| Thread Quantity Per Inch | 16 SECOND END |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) SECOND END |
| 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 | Y |
| Part Number | Manufacturer |
|---|---|
| G234E8 PRIMARY | Transdigm Inc Div Adelwiggins Group (USA) |
| Reference | Meaning |
|---|---|
| 10124653 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 4054T65P02 | 1/2 Source control — Government-approved source U.S. Government activity |
| 4054T65 | D/9 Drawing number reference only U.S. Government activity |
| 87-5388 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4820-01-150-6412 is a Valve,check, manufactured by Transdigm Inc Div Adelwiggins Group, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-150-6412 has 1 manufacturer part number on file: G234E8 (Transdigm Inc Div Adelwiggins Group).
Key specifications for G234E8: Flow Control Device: POPPET; Furnished Items and Quantity: 1 CAP AND 1 CHAIN; Connection Style: EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END; Mounting Position: HORIZONTAL. 18 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.