The Disk,valve, cataloged under National Stock Number 4820-01-287-9628, 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 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-287-9628 |
| Primary Part Number | 84246-BL1 |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Criticality Code Justification | ZZZY |
| Media for Which Designed | WATER OR GAS OR OIL |
| Material | PLASTIC POLYCHLOROTRIFLUOROETHYLENE AND NICKEL ALLOY 400 |
| Reference Number Differentiating Characteristics | QUALITY CONTROL IN ACCORDANCE WITH NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR 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 |
|---|---|
| 84246-BL1 | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 84246-B | 3/1 Design control — primary reference Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc |
| 845-1889587 PC'S 5,20,21,53 | 5/1 Secondary reference U.S. Government activity |
| 845-1889587 PC'S 5,20,21,53L1 | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
NSN 4820-01-287-9628 is a Disk,valve, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-287-9628 has 1 manufacturer part number on file: 84246-BL1 (Naval Inventory Control Point Mechanicsburg).
2 possible matches (shared part number, not a government interchangeability claim): 4820-01-398-9893, 4820-01-473-1530. Verify interchangeability with system specifications before substitution.
Key specifications for 84246-BL1: Criticality Code Justification: ZZZY; Media for Which Designed: WATER OR GAS OR OIL; End Item Identification: GLOBE VALVE; Material: PLASTIC POLYCHLOROTRIFLUOROETHYLENE AND NICKEL ALLOY 400. 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.