The Mounting Plate,valve, cataloged under National Stock Number 4820-01-117-9584, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Naval Air Warfare Center Weapons Div. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4820-01-117-9584 |
| Primary Part Number | 4592606 ITEM 6 |
| Item Name | Mounting Plate,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Naval Air Warfare Center Weapons Div |
| Status | ACTIVE |
| General Characteristics Item Description | ALUMINUM ALLOY QQ-A-250/11 6061-T6;0.620 IN. THK; 2.500 IN. LG;2.000 IN. W;FOUR PLATE MOUNTING HOLES 0.196 IN. DIA NOMINAL;TWO VALVE MOUNTING HOLES 0.250 IN. DIA IN |
| 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 |
|---|---|
| 4592606 ITEM 6 PRIMARY | Naval Air Warfare Center Weapons Div (USA) |
| 4592677-1 PRIMARY | Naval Air Warfare Center Weapons Div (USA) |
| Reference | Meaning |
|---|---|
| 4592677 | D/9 Drawing number reference only Naval Air Warfare Center Weapons Div |
| 4592606 | D/9 Drawing number reference only Naval Air Warfare Center Weapons Div |
| 4592677-1 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
NSN 4820-01-117-9584 is a Mounting Plate,valve, manufactured by Naval Air Warfare Center Weapons Div, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-117-9584 has 2 manufacturer part numbers on file: 4592606 ITEM 6 (Naval Air Warfare Center Weapons Div), 4592677-1 (Naval Air Warfare Center Weapons Div).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-198-0348. Verify interchangeability with system specifications before substitution.
Key specifications for 4592606 ITEM 6: General Characteristics Item Description: ALUMINUM ALLOY QQ-A-250/11 6061-T6;0.620 IN. THK; 2.500 IN. LG;2.000 IN. W;FOUR PLATE MOUNTING HOLES 0.196 IN. DIA NOMINAL;TWO VALVE MOUNTING HOLES 0.250 IN. DIA IN. 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.