The Cap,valve, cataloged under National Stock Number 4820-01-425-4243, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-425-4243 |
| Primary Part Number | D20305 PART 002S1 |
| Item Name | Cap,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Valve Type for Which Designed | GATE |
| Criticality Code Justification | ZZZY |
| Material Document and Classification | ASTM A182 ASSN STD SINGLE MATERIAL RESPONSE |
| Valve Size for Which Designed | 12.000 INCHES IN |
| Material | STEEL |
| Reference Number Differentiating Characteristics | QUALITY CONTROLLED IN ACCORDANCE WITH NAVSUP CONTROL INSTRUCTIONS FOR SURF LEVEL 1 ITEMS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| D20305 PART 002S1 | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| D20305 PART 002 | 3/1 Design control — primary reference U.S. Government activity |
NSN 4820-01-425-4243 is a Cap,valve, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-425-4243 has 1 manufacturer part number on file: D20305 PART 002S1 (Naval Inventory Control Point Mechanicsburg).
Key specifications for D20305 PART 002S1: Valve Type for Which Designed: GATE; Criticality Code Justification: ZZZY; Material Document and Classification: ASTM A182 ASSN STD SINGLE MATERIAL RESPONSE; Valve Size for Which Designed: 12.000 INCHES IN. 6 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.