The Cock,plug, cataloged under National Stock Number 4820-01-646-5138, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Mcmaster-Carr Supply Co. Government technical data includes 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4820-01-646-5138 |
| Primary Part Number | 4793K72 |
| Item Name | Cock,plug |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Mcmaster-Carr Supply Co |
| Status | ACTIVE |
| Flow Style | TWO WAY TWO PORT 90 DEGREE PLUG TURN |
| 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 |
|---|---|
| 4793K72 | Mcmaster-Carr Supply Co (USA) |
| Reference | Meaning |
|---|---|
| AC41 | 3/9 Design control — primary reference Essex Brass Corporation |
NSN 4820-01-646-5138 is a Cock,plug, manufactured by Mcmaster-Carr Supply Co, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-646-5138 has 1 manufacturer part number on file: 4793K72 (Mcmaster-Carr Supply Co).
Key specifications for 4793K72: Flow Style: TWO WAY TWO PORT 90 DEGREE PLUG TURN; Special Features: CAGE 20969, TYPE A, ESSEX BRASS CORP; 23500 PINEWOOD ST; WARREN MI 48091; PH 586-785-8200 STATE THEY ARE MANUFACTURER; Part Name Assigned by Controlling Agency: AIR-SHUT-OFF BRASS STOP COCK T-HANDLE; End Item Identification: 5419-01-543-0158; SHOWER WATER REUSE SYSTEM. 2 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.