The Cock,poppet Drain, cataloged under National Stock Number 4820-00-541-0875, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Parker-Hannifin Corporation Dba Pneutronics. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4820-00-541-0875 |
| Primary Part Number | K1750B3 |
| Item Name | Cock,poppet Drain |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Parker-Hannifin Corporation Dba Pneutronics |
| Status | ACTIVE |
| Flow Control Device | DISK |
| Connection Style | EXTERNAL SEAT FOR GASKET SEAL (BOSS) FIRST END |
| Connection Type | THREADED EXTERNAL BOSS FIRST END |
| Style Designator | ANGLE |
| Nominal Outside Diameter Tube Accommodated | 0.375 INCHES FIRST END IN |
| Thread Direction | RIGHT-HAND FIRST END |
| Nominal Thread Size | 0.625 INCHES FIRST END IN |
| Thread Class | 3A FIRST END A |
| Material | COPPER ALLOY BODY |
| Thread Series Designator | UNF 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 |
|---|---|
| K1750B3 PRIMARY | Parker-Hannifin Corporation Dba Pneutronics (USA) |
| Reference | Meaning |
|---|---|
| BJ1000AS2A | 5/9 Secondary reference U.S. Government activity |
| K1750B3 | 3/9 Design control — primary reference U.S. Government activity |
NSN 4820-00-541-0875 is a Cock,poppet Drain, manufactured by Parker-Hannifin Corporation Dba Pneutronics, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-541-0875 has 1 manufacturer part number on file: K1750B3 (Parker-Hannifin Corporation Dba Pneutronics).
Key specifications for K1750B3: Flow Control Device: DISK; Connection Style: EXTERNAL SEAT FOR GASKET SEAL (BOSS) FIRST END; Connection Type: THREADED EXTERNAL BOSS FIRST END; Style Designator: ANGLE. 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.