The Cock,poppet Drain, cataloged under National Stock Number 4820-01-480-0846, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Shaw Development, Llc. Government technical data includes 11 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4820-01-480-0846 |
| Primary Part Number | 57558 |
| Item Name | Cock,poppet Drain |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Shaw Development, Llc |
| Status | ACTIVE |
| Connection Style | PLAIN (PIPE) ALL ENDS |
| Connection Type | THREADED EXTERNAL PIPE ALL ENDS |
| Style Designator | STRAIGHT THRU |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Nominal Thread Size | 0.375 INCHES ALL ENDS IN |
| Surface Treatment | ZINC |
| Media for Which Designed | ETHYLENE GLYCOL SINGLE RESPONSE |
| Thread Class | 2A ALL ENDS A |
| Material | STEEL BODY |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) ALL ENDS |
| 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 |
|---|---|
| 57558 PRIMARY | Shaw Development, Llc (USA) |
| Reference | Meaning |
|---|---|
| 88-20043 | D/9 Drawing number reference only Department of Defense Project Manager-Mobile Electric Power |
| 88-20043-1 | 7/2 Vendor item drawing reference Department of Defense Project Manager-Mobile Electric Power |
NSN 4820-01-480-0846 is a Cock,poppet Drain, manufactured by Shaw Development, Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-480-0846 has 1 manufacturer part number on file: 57558 (Shaw Development, Llc).
Key specifications for 57558: Connection Style: PLAIN (PIPE) ALL ENDS; Connection Type: THREADED EXTERNAL PIPE ALL ENDS; Style Designator: STRAIGHT THRU; Thread Direction: RIGHT-HAND ALL ENDS. 11 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.