The Valve,check, cataloged under National Stock Number 4820-01-512-5231, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Eaton Aerospace, Llc Dba Jackson South. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-512-5231 |
| Primary Part Number | DGMPC-5-ABK-30 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Eaton Aerospace, Llc Dba Jackson South |
| Status | ACTIVE |
| Flow Control Device | POPPET |
| Nominal Length | 5.040 INCHES ALL ENDS IN |
| Mounting Position | HORIZONTAL OR VERTICAL |
| Bolt Hole Nominal Diameter | 0.281 INCHES ALL ENDS IN |
| Operating Pressure | 4500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Maximum Operating Temp | 82.0 CELSIUS SINGLE RESPONSE DEGC |
| Bolt Hole Quantity | 4 ALL ENDS |
| Nominal Width | 2.736 INCHES ALL ENDS IN |
| Opening Pressure Setting | 15.0 POUNDS PER SQUARE INCH LBS |
| 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 |
|---|---|
| A/049/061/B20011/32 | Houlder Ltd (GBR) |
| A/049/061/B20011 ITEM 32 | Houlder Ltd (GBR) |
| DGMPC-5-ABK-30 PRIMARY | Eaton Aerospace, Llc Dba Jackson South (USA) |
NSN 4820-01-512-5231 is a Valve,check, manufactured by Eaton Aerospace, Llc Dba Jackson South, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-512-5231 has 3 manufacturer part numbers on file: A/049/061/B20011/32 (Houlder Ltd), A/049/061/B20011 ITEM 32 (Houlder Ltd), DGMPC-5-ABK-30 (Eaton Aerospace, Llc Dba Jackson South).
Key specifications for DGMPC-5-ABK-30: Flow Control Device: POPPET; Nominal Length: 5.040 INCHES ALL ENDS IN; Mounting Position: HORIZONTAL OR VERTICAL; Bolt Hole Nominal Diameter: 0.281 INCHES ALL ENDS IN. 10 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.