The Disk,valve, cataloged under National Stock Number 4820-01-528-3503, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Tate Andale, Llc. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-528-3503 |
| Primary Part Number | 228005710023755 |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Tate Andale, Llc |
| Status | ACTIVE |
| Style Designator | PLUG |
| Material | NICKEL ALLOY |
| 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 |
|---|---|
| 16737-3 | Tate Andale, Llc (USA) |
| 33963 FIND NO. 5 | Tate Andale, Llc (USA) |
| 228005710023755 PRIMARY | Tate Andale, Llc (USA) |
| Reference | Meaning |
|---|---|
| 33963 | D/9 Drawing number reference only Tate Andale, Llc |
NSN 4820-01-528-3503 is a Disk,valve, manufactured by Tate Andale, Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-528-3503 has 3 manufacturer part numbers on file: 16737-3 (Tate Andale, Llc), 33963 FIND NO. 5 (Tate Andale, Llc), 228005710023755 (Tate Andale, Llc).
2 possible matches (shared part number, not a government interchangeability claim): 4820-01-528-3568, 5340-01-618-2481. Verify interchangeability with system specifications before substitution.
Key specifications for 228005710023755: Style Designator: PLUG; Part Name Assigned by Controlling Agency: DISC; End Item Identification: 4 INCH X 6 INCH STOP VALVE (GUIDED) IN; Material: NICKEL ALLOY. 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.