The Disk,valve, cataloged under National Stock Number 4820-01-124-8289, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Swagelok Co. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-124-8289 |
| Primary Part Number | SS-4C-P3 |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Swagelok Co |
| Status | ACTIVE |
| Material | STEEL CORROSION RESISTING |
| 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 |
|---|---|
| SS-4CPA2 ITEM 3 | Swagelok Co (USA) |
| SS-4C-P3 PRIMARY | Swagelok Co (USA) |
| Reference | Meaning |
|---|---|
| SS-4CPA2 | D/9 Drawing number reference only Nupro Co |
| SS-4CPA2 ITEM 3 | 5/9 Secondary reference Nupro Co |
| SS-4C-P3 | 5/9 Secondary reference Nupro Co |
NSN 4820-01-124-8289 is a Disk,valve, manufactured by Swagelok Co, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-124-8289 has 2 manufacturer part numbers on file: SS-4CPA2 ITEM 3 (Swagelok Co), SS-4C-P3 (Swagelok Co).
Key specifications for SS-4C-P3: Material: STEEL CORROSION RESISTING. 1 specification is 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.