The Disk,rupturable, cataloged under National Stock Number 4820-01-215-2848, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Swagelok Co. The record lists 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Disk,rupturable |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Swagelok Co (CAGE 3T9T9); Fike Corporation (CAGE 06370) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-215-2848 |
| Primary Part Number | SS-RDK-16-1900 |
| Item Name | Disk,rupturable |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Swagelok Co |
| 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 |
|---|---|
| SS-RDK-16-1900 PRIMARY | Swagelok Co (USA) |
| 4886-1 PRIMARY | Fike Corporation (USA) |
| Reference | Meaning |
|---|---|
| 40536-1 | 7/2 Vendor item drawing reference Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc |
| SS-RDK-16-1900 | 5/9 Secondary reference Whitey Co |
NSN 4820-01-215-2848 is a Disk,rupturable, manufactured by Swagelok Co, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-215-2848 has 2 manufacturer part numbers on file: SS-RDK-16-1900 (Swagelok Co), 4886-1 (Fike Corporation).
3 possible matches (shared part number, not a government interchangeability claim): 4820-01-421-5150, 4720-01-599-1769, 8040-01-734-0331. Verify interchangeability with system specifications before substitution.
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.