The Cock,poppet Drain, cataloged under National Stock Number 4820-01-674-6574, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp. Government technical data includes 7 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-674-6574 |
| Primary Part Number | CCA-5400 |
| Item Name | Cock,poppet Drain |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp |
| Status | ACTIVE |
| Style Designator | STRAIGHT THRU |
| Nominal Thread Size | 0.4375 INCHES FIRST END IN |
| Surface Treatment | CADMIUM |
| Thread Quantity Per Inch | 20 FIRST END |
| Material | COPPER ALLOY BODY |
| Thread Series Designator | UNF FIRST END |
| Valve Operation Method | MANUAL |
| 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 |
|---|---|
| CCA-5400 PRIMARY | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA) |
| CCA-5400 | Curtis Superior Valve Co., Inc. Dba Curtis Superior Valve Co (USA) |
| Reference | Meaning |
|---|---|
| CCA-5400 | 3/9 Design control — primary reference Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
| CCA-5400 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
| CCA-5400 | 5/9 Secondary reference Schweizer Aircraft Corp. |
NSN 4820-01-674-6574 is a Cock,poppet Drain, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-674-6574 has 2 manufacturer part numbers on file: CCA-5400 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), CCA-5400 (Curtis Superior Valve Co., Inc. Dba Curtis Superior Valve Co).
Key specifications for CCA-5400: Style Designator: STRAIGHT THRU; Nominal Thread Size: 0.4375 INCHES FIRST END IN; Surface Treatment: CADMIUM; Part Name Assigned by Controlling Agency: VALVE,TANK DRAIN. 7 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.