The Cock,drain, cataloged under National Stock Number 4820-01-660-1177, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Federal Commercial Item Description Promulgated by General Services Administration Washington DC. Government technical data includes 13 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-660-1177 |
| Primary Part Number | AA59440/1-005B |
| Item Name | Cock,drain |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Federal Commercial Item Description Promulgated by General Services Administration Washington DC |
| Status | ACTIVE |
| Flow Control Device | STEM |
| Nominal Pipe Size Accommodated | 0.25 INCHES FIRST END IN |
| Connection Style | PLAIN (SCREW-IN CARTRIDGE) FIRST END |
| Connection Type | THREADED CARTRIDGE FIRST END |
| Style Designator | STRAIGHT THRU |
| Operating Pressure | 150.00 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Thread Direction | RIGHT-HAND FIRST END |
| Nominal Thread Size | 0.25 INCHES FIRST END IN |
| Maximum Operating Temp | 150.00 FAHRENHEIT SINGLE RESPONSE DEGF |
| Thread Quantity Per Inch | 18 FIRST END |
| Material | COPPER ALLOY BODY |
| Thread Series Designator | NPTF 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 |
|---|---|
| AA59440/1-005B | Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA) |
| Reference | Meaning |
|---|---|
| A-A-59440/1 | 4/1 Identification reference Federal Commercial Item Description Promulgated by General Services Administration Washington DC |
| A-A-59440/1B | 5/9 Secondary reference Federal Commercial Item Description Promulgated by General Services Administration Washington DC |
NSN 4820-01-660-1177 is a Cock,drain, manufactured by Federal Commercial Item Description Promulgated by General Services Administration Washington DC, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-660-1177 has 1 manufacturer part number on file: AA59440/1-005B (Federal Commercial Item Description Promulgated by General Services Administration Washington DC).
Key specifications for AA59440/1-005B: Flow Control Device: STEM; Nominal Pipe Size Accommodated: 0.25 INCHES FIRST END IN; Connection Style: PLAIN (SCREW-IN CARTRIDGE) FIRST END; Connection Type: THREADED CARTRIDGE FIRST END. 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.