The Cock,plug, cataloged under National Stock Number 4820-01-415-8296, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Haywardindl. Products, Inc.. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Item Name | Cock,plug |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Haywardindl. Products, Inc. (CAGE 73124) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-415-8296 |
| Primary Part Number | ST21137M |
| Item Name | Cock,plug |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Haywardindl. Products, 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 |
|---|---|
| ST21137M PRIMARY | Haywardindl. Products, Inc. (USA) |
| ST050080BFM018 PIECE 3 | Haywardindl. Products, Inc. (USA) |
| Reference | Meaning |
|---|---|
| ST050080BFM018 | D/9 Drawing number reference only Haywardindl. Products, Inc. |
NSN 4820-01-415-8296 is a Cock,plug, manufactured by Haywardindl. Products, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-415-8296 has 2 manufacturer part numbers on file: ST21137M (Haywardindl. Products, Inc.), ST050080BFM018 PIECE 3 (Haywardindl. Products, Inc.).
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.