The Valve,plug, cataloged under National Stock Number 4820-01-228-7691, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Vitok Engineers Inc. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-228-7691 |
| Primary Part Number | A-13482-21 |
| Item Name | Valve,plug |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Vitok Engineers Inc |
| Status | ACTIVE |
| Surface Treatment | PLASTIC POLYTETRAFLUOROETHYLENE |
| Material | CHROMIUM ALLOY BODY |
| 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 |
|---|---|
| A-13482-21 PRIMARY | Vitok Engineers Inc (USA) |
| Reference | Meaning |
|---|---|
| A-13482 | D/9 Drawing number reference only Dezurik Co a Unit of General Signal Corp |
| A-13482-34-21 | C/1 Advisory reference — outside the item-of-supply concept Dezurik Co a Unit of General Signal Corp |
| A13482-34 | D/9 Drawing number reference only Dezurik Co a Unit of General Signal Corp |
NSN 4820-01-228-7691 is a Valve,plug, manufactured by Vitok Engineers Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-228-7691 has 1 manufacturer part number on file: A-13482-21 (Vitok Engineers Inc).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-259-8043. Verify interchangeability with system specifications before substitution.
Key specifications for A-13482-21: Surface Treatment: PLASTIC POLYTETRAFLUOROETHYLENE; Material: CHROMIUM ALLOY BODY. 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.