The Cock,drain, cataloged under National Stock Number 4820-01-290-3414, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Morrison Brothers Co Dba Morrison Brothers Co. Government technical data includes 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-290-3414 |
| Primary Part Number | 372---0100 AV |
| Item Name | Cock,drain |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Morrison Brothers Co Dba Morrison Brothers Co |
| Status | ACTIVE |
| Flow Control Device | DISK |
| Connection Style | PLAIN, OPTIONAL END (PIPE) ALL ENDS |
| Connection Type | THREADED INTERNAL PIPE ALL ENDS |
| Material Document and Classification | MIL-R-15624, CLASS 3 MIL SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Nominal Thread Size | 1.000 INCHES ALL ENDS IN |
| Media for Which Designed | WATER, FRESH SINGLE RESPONSE |
| Material | COPPER ALLOY BODY |
| Material | RUBBER FLOW CONTROL DEVICE |
| 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 |
|---|---|
| 372---0100 AV PRIMARY | Morrison Brothers Co Dba Morrison Brothers Co (USA) |
| TKG5045-1 | Fruehauf Corp Fruehauf Trailer Opns (USA) |
| Reference | Meaning |
|---|---|
| 372 | 5/9 Secondary reference Morrison Brothers Co Dba Morrison Brothers Co |
NSN 4820-01-290-3414 is a Cock,drain, manufactured by Morrison Brothers Co Dba Morrison Brothers Co, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-290-3414 has 2 manufacturer part numbers on file: 372---0100 AV (Morrison Brothers Co Dba Morrison Brothers Co), TKG5045-1 (Fruehauf Corp Fruehauf Trailer Opns).
Key specifications for 372---0100 AV: Flow Control Device: DISK; Connection Style: PLAIN, OPTIONAL END (PIPE) ALL ENDS; Connection Type: THREADED INTERNAL PIPE ALL ENDS; Material Document and Classification: MIL-R-15624, CLASS 3 MIL SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE. 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.