The Cock,drain, cataloged under National Stock Number 4820-01-381-5079, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Danfoss Power Solutions II, Llc. Government technical data includes 14 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-381-5079 |
| Primary Part Number | 52487 |
| Item Name | Cock,drain |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Danfoss Power Solutions II, Llc |
| Status | ACTIVE |
| Connection Style | BEADED (HOSE) SECOND END |
| Connection Style | PLAIN, OPTIONAL END (PIPE) FIRST END |
| Nominal Inside Diameter Hose Accommodated | 0.250 INCHES SECOND END IN |
| Minimum Operating Temp | -65.0 FAHRENHEIT DEGF |
| Connection Type | THREADED INTERNAL PIPE FIRST END |
| Connection Type | UNTHREADED EXTERNAL HOSE SECOND END |
| Style Designator | ANGLE |
| Operating Pressure | 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Thread Direction | RIGHT-HAND FIRST END |
| Nominal Thread Size | 0.250 INCHES FIRST END IN |
| Maximum Operating Temp | 250.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Material | COPPER ALLOY OVERALL |
| 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 |
|---|---|
| 52487 PRIMARY | Danfoss Power Solutions II, Llc (USA) |
| Reference | Meaning |
|---|---|
| 88-22751 | C/1 Advisory reference — outside the item-of-supply concept Department of Defense Project Manager-Mobile Electric Power |
| 52487 | 5/2 Secondary reference U.S. Government activity |
| 52487 | 5/9 Secondary reference Dana Corp Weatherhead Div |
NSN 4820-01-381-5079 is a Cock,drain, manufactured by Danfoss Power Solutions II, Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-381-5079 has 1 manufacturer part number on file: 52487 (Danfoss Power Solutions II, Llc).
1 possible match (shared part number, not a government interchangeability claim): 5999-01-502-1043. Verify interchangeability with system specifications before substitution.
Key specifications for 52487: Connection Style: BEADED (HOSE) SECOND END; Connection Style: PLAIN, OPTIONAL END (PIPE) FIRST END; Nominal Inside Diameter Hose Accommodated: 0.250 INCHES SECOND END IN; Minimum Operating Temp: -65.0 FAHRENHEIT DEGF. 14 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.