The Cock,drain, cataloged under National Stock Number 4820-00-941-5278, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Lincoln Brass Works Inc. Government technical data includes 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-941-5278 |
| Primary Part Number | 59 |
| Item Name | Cock,drain |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Lincoln Brass Works Inc |
| Status | ACTIVE |
| Flow Control Device | DISK OR STEM |
| Nominal Pipe Size Accommodated | 0.125 INCHES FIRST END IN |
| Connection Style | PLAIN (PIPE) FIRST END |
| Connection Type | THREADED EXTERNAL PIPE FIRST END |
| Style Designator | STRAIGHT THRU |
| Thread Direction | RIGHT-HAND FIRST END |
| Nominal Thread Size | 0.125 INCHES FIRST END IN |
| Material | COPPER ALLOY OVERALL |
| Thread Series Designator | NPT 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 |
|---|---|
| 59 PRIMARY | Lincoln Brass Works Inc (USA) |
| Reference | Meaning |
|---|---|
| JHP99-183 | 5/9 Secondary reference Hollingsworth John R Co |
NSN 4820-00-941-5278 is a Cock,drain, manufactured by Lincoln Brass Works Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-941-5278 has 1 manufacturer part number on file: 59 (Lincoln Brass Works Inc).
Key specifications for 59: Flow Control Device: DISK OR STEM; Nominal Pipe Size Accommodated: 0.125 INCHES FIRST END IN; Connection Style: PLAIN (PIPE) FIRST END; Connection Type: THREADED EXTERNAL PIPE FIRST END. 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.