The Cock,drain, cataloged under National Stock Number 4820-01-124-8828, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Kalmar AC Inc. Government technical data includes 13 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-124-8828 |
| Primary Part Number | 4024217-4 |
| Item Name | Cock,drain |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Kalmar AC Inc |
| Status | ACTIVE |
| Flow Control Device | DISK |
| Connection Style | BEADED (HOSE) SECOND END |
| Connection Style | PLAIN (TUBE) FIRST END |
| Nominal Inside Diameter Hose Accommodated | 0.313 INCHES SECOND END IN |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Connection Type | UNTHREADED EXTERNAL HOSE SECOND END |
| Style Designator | ANGLE |
| Thread Direction | RIGHT-HAND FIRST END |
| Nominal Thread Size | 0.500 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 |
|---|---|
| 4024217-4 PRIMARY | Kalmar AC Inc (USA) |
NSN 4820-01-124-8828 is a Cock,drain, manufactured by Kalmar AC Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-124-8828 has 1 manufacturer part number on file: 4024217-4 (Kalmar AC Inc).
Key specifications for 4024217-4: Flow Control Device: DISK; Connection Style: BEADED (HOSE) SECOND END; Connection Style: PLAIN (TUBE) FIRST END; Nominal Inside Diameter Hose Accommodated: 0.313 INCHES SECOND END IN. 13 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.