The Cock,drain, cataloged under National Stock Number 4820-01-153-8082, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is The Entwistle Company Llc. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-153-8082 |
| Primary Part Number | KT-3225-20 |
| Item Name | Cock,drain |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | The Entwistle Company Llc |
| Status | ACTIVE |
| Flow Control Device | STEM |
| Connection Style | PLAIN (PIPE) ALL ENDS |
| Connection Type | THREADED EXTERNAL PIPE ALL ENDS |
| Style Designator | ANGLE |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Nominal Thread Size | 0.375 INCHES ALL ENDS IN |
| Thread Class | 2A ALL ENDS A |
| Material | COPPER ALLOY BODY |
| Thread Series Designator | UNF 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 |
|---|---|
| KT-3225-20 PRIMARY | The Entwistle Company Llc (USA) |
| KT-3225-1 ITEM12 PRIMARY | The Entwistle Company Llc (USA) |
| Reference | Meaning |
|---|---|
| KT-3225-20 | 3/9 Design control — primary reference Entwistle Co the Kenett Hydraulic Systems Div |
| KT-3225-1 ITEM12 | 5/9 Secondary reference Entwistle Co the Kenett Hydraulic Systems Div |
NSN 4820-01-153-8082 is a Cock,drain, manufactured by The Entwistle Company Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-153-8082 has 2 manufacturer part numbers on file: KT-3225-20 (The Entwistle Company Llc), KT-3225-1 ITEM12 (The Entwistle Company Llc).
Key specifications for KT-3225-20: Flow Control Device: STEM; Connection Style: PLAIN (PIPE) ALL ENDS; Connection Type: THREADED EXTERNAL PIPE ALL ENDS; Style Designator: ANGLE. 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.