The Cartridge,check Valve, cataloged under National Stock Number 4820-01-588-1653, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Derbyshire Machine & Tool Co. Government technical data includes 3 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-588-1653 |
| Primary Part Number | 09-D-054-CTG |
| Item Name | Cartridge,check Valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Derbyshire Machine & Tool Co |
| Status | ACTIVE |
| Operating Pressure | 250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS |
| Valve Size | 8.000 INCHES IN |
| Material | NICKEL ALLOY |
| 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 |
|---|---|
| 09-D-054-CTG PRIMARY | Derbyshire Machine & Tool Co (USA) |
NSN 4820-01-588-1653 is a Cartridge,check Valve, manufactured by Derbyshire Machine & Tool Co, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-588-1653 has 1 manufacturer part number on file: 09-D-054-CTG (Derbyshire Machine & Tool Co).
Key specifications for 09-D-054-CTG: Operating Pressure: 250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS; Valve Size: 8.000 INCHES IN; Special Features: BODY STYLE IN-LINE, PRESSURE RATING 250 PSI AT 165 DEGREES F, BODY MATERIAL NI/AL/BRZ. END CONNECTIONS FLANGED 250 LB CLASS/14 BOLT. BONNET TYPE BOLTED, OPERATION-DIAPHRAGM, MEDIA SEAWATER. STEM TYPE RENEWABLE INCONEL 625, BALL TYPE RENEWABLE NICKEL COPPER, SEAT TYPE RENEWABLE NICKEL/ALUMINUM/BRONZE. END TO END 25.75 INCHES. CENTERLINE TO OUTLET 12.88 INCHES. LBS; Part Name Assigned by Controlling Agency: DIAPHRAGM OPERATED CHECK VALVE. 3 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.