The Blanking Plate Assembly, cataloged under National Stock Number 4820-01-733-8511, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Sedna Digital Solutions, Llc. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Blanking Plate Assembly |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Sedna Digital Solutions, Llc (CAGE 30SS9) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-733-8511 |
| Primary Part Number | A000678-2 |
| Item Name | Blanking Plate Assembly |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Sedna Digital Solutions, Llc |
| 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 |
|---|---|
| A000678-2 PRIMARY | Sedna Digital Solutions, Llc (USA) |
| Reference | Meaning |
|---|---|
| A000678 | D/9 Drawing number reference only Sedna Digital Solutions, Llc |
NSN 4820-01-733-8511 is a Blanking Plate Assembly, manufactured by Sedna Digital Solutions, Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-733-8511 has 1 manufacturer part number on file: A000678-2 (Sedna Digital Solutions, Llc).
1 possible match (shared part number, not a government interchangeability claim): 5975-01-733-8922. 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.