The Cock,drain, cataloged under National Stock Number 4820-00-559-1585, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Lunkenheimer Co. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-559-1585 |
| Primary Part Number | 476-1-4 |
| Item Name | Cock,drain |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Lunkenheimer Co |
| Status | ACTIVE |
| Material | COPPER ALLOY BODY |
| Thread Direction | RIGHT-HAND FIRST END |
| Nominal Thread Size | 0.250 INCHES FIRST END IN |
| Flow Control Device | PLUG |
| Connection Type | THREADED EXTERNAL PIPE FIRST END |
| Thread Series Designator | NPT FIRST END |
| Valve Operation Method | MANUAL |
| Reference Number Differentiating Characteristics | FREE FROM MERCURY CONTAMINATION,USED IN NUCLEAR PROPULSION PLANT |
| Nominal Pipe Size Accommodated | 0.250 INCHES FIRST END IN |
| Style Designator | STRAIGHT THRU |
| Connection Style | PLAIN (PIPE) FIRST END |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 476-1-4 | Lunkenheimer Co (USA) |
| 476-1-4 | Cincinnati Valve Company (USA) |
| 513-471-8258 | Cincinnati Valve Company (USA) |
| 476 1-4 | Lunkenheimer Co (USA) |
NSN 4820-00-559-1585 is a Cock,drain, manufactured by Lunkenheimer Co, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-559-1585 has 4 cross-referenced part numbers: 476-1-4 (Lunkenheimer Co), 476-1-4 (Cincinnati Valve Company), 513-471-8258 (Cincinnati Valve Company), 476 1-4 (Lunkenheimer Co).
There are 2 known substitutes for 4820-00-559-1585: 5845-00-613-2256, 1680-01-482-7137. Verify interchangeability with system specifications before substitution.
Key specifications for 476-1-4: Material: COPPER ALLOY BODY; Thread Direction: RIGHT-HAND FIRST END; Nominal Thread Size: 0.250 INCHES FIRST END IN; Flow Control Device: PLUG. 11 total characteristics are documented in the Federal Logistics Information System.