The Cock,poppet Drain, cataloged under National Stock Number 4820-01-200-8561, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Industrial Service and Supply, Inc. Government technical data includes 10 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-200-8561 |
| Primary Part Number | 195356A1 |
| Item Name | Cock,poppet Drain |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Industrial Service and Supply, Inc |
| Status | ACTIVE |
| Flow Control Device | POPPET |
| Connection Style | PLAIN (PIPE) ALL ENDS |
| Connection Type | THREADED EXTERNAL PIPE ALL ENDS |
| Style Designator | STRAIGHT THRU |
| Operating Pressure | 125.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Nominal Thread Size | 0.250 INCHES ALL ENDS IN |
| Material | STEEL BODY |
| Thread Series Designator | NPT 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 |
|---|---|
| 195356A1 PRIMARY | Industrial Service and Supply, Inc (USA) |
| H5321436-A1 PIECE 2 | Industrial Service and Supply, Inc (USA) |
| Reference | Meaning |
|---|---|
| H5321436-A1 PIECE 2 | 5/9 Secondary reference Elsag Bailey Inc |
| 195356A1 | 5/9 Secondary reference Elsag Bailey Inc |
| H5321436-A1 | 5/9 Secondary reference Elsag Bailey Inc |
| H5321436-A1 | D/9 Drawing number reference only Industrial Service and Supply, Inc |
NSN 4820-01-200-8561 is a Cock,poppet Drain, manufactured by Industrial Service and Supply, Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-200-8561 has 2 manufacturer part numbers on file: 195356A1 (Industrial Service and Supply, Inc), H5321436-A1 PIECE 2 (Industrial Service and Supply, Inc).
Key specifications for 195356A1: Flow Control Device: POPPET; Connection Style: PLAIN (PIPE) ALL ENDS; Connection Type: THREADED EXTERNAL PIPE ALL ENDS; Style Designator: STRAIGHT THRU. 10 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.