The Disk,valve, cataloged under National Stock Number 4820-01-233-3523, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Huntington Ingalls Inc Div Newport News Shipbuilding. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4820-01-233-3523 |
| Primary Part Number | 6002-95 ITEM 14 |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Huntington Ingalls Inc Div Newport News Shipbuilding |
| Status | ACTIVE |
| Outside Diameter | 9.312 INCHES MINIMUM AND 10.000 INCHES MAXIMUM IN |
| Style Designator | SWING CHECK |
| Media for Which Designed | AIR |
| Material | TIN AND COPPER 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 |
|---|---|
| 6002-95 ITEM 14 PRIMARY | Huntington Ingalls Inc Div Newport News Shipbuilding (USA) |
| Reference | Meaning |
|---|---|
| 4457059 | D/9 Drawing number reference only U.S. Government activity |
| 6002-95 | D/9 Drawing number reference only Huntington Ingalls Inc Div Newport News Shipbuilding |
| 4457059 ITEM 14 | 5/2 Secondary reference U.S. Government activity |
NSN 4820-01-233-3523 is a Disk,valve, manufactured by Huntington Ingalls Inc Div Newport News Shipbuilding, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-233-3523 has 1 manufacturer part number on file: 6002-95 ITEM 14 (Huntington Ingalls Inc Div Newport News Shipbuilding).
Key specifications for 6002-95 ITEM 14: Outside Diameter: 9.312 INCHES MINIMUM AND 10.000 INCHES MAXIMUM IN; Style Designator: SWING CHECK; Media for Which Designed: AIR; End Item Identification: SSN688 CLASS SUBMARINE MBT VENT VALVE. 4 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.