The Cock,plug, cataloged under National Stock Number 4820-01-641-1281, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Lake Shore Systems, Inc.. The record lists 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Item Name | Cock,plug |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Lake Shore Systems, Inc. (CAGE 34712); Shaw Development, Llc (CAGE 59647) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-641-1281 |
| Primary Part Number | P001356-02 |
| Item Name | Cock,plug |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Lake Shore Systems, Inc. |
| Status | ACTIVE |
| 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 |
|---|---|
| P001356-02 PRIMARY | Lake Shore Systems, Inc. (USA) |
| F160666 REV ITEM NO 36 | Lake Shore Systems, Inc. (USA) |
| 951-0060-02 PRIMARY | Shaw Development, Llc (USA) |
| Reference | Meaning |
|---|---|
| P001356 | 7/2 Vendor item drawing reference Lake Shore Systems, Inc. |
| P001356 REV DIGIT 2 | C/1 Advisory reference — outside the item-of-supply concept Lake Shore Systems, Inc. |
NSN 4820-01-641-1281 is a Cock,plug, manufactured by Lake Shore Systems, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-641-1281 has 3 manufacturer part numbers on file: P001356-02 (Lake Shore Systems, Inc.), F160666 REV ITEM NO 36 (Lake Shore Systems, Inc.), 951-0060-02 (Shaw Development, Llc).
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.