The Parts Kit,ball Valve, cataloged under National Stock Number 4820-01-334-3837, 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 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-334-3837 |
| Primary Part Number | DF330610 FIND 28,33L1 |
| Item Name | Parts Kit,ball Valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| End Item Source | 53711 |
| Criticality Code Justification | ZZZY |
| End Item Name | 5IN BALL VALVE-HULL VLV IN |
| Reference Number Differentiating Characteristics | QUALITY CONTROL IAW NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| DF330610 FIND 28,33L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 801-6404739 FIND 28,33L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 801-6404739 FIND 28,33 | 3/1 Design control — primary reference Naval Sea Systems Command |
| DF330610 FIND 28,33 | 5/1 Secondary reference Huntington Ingalls Inc Div Newport News Shipbuilding |
NSN 4820-01-334-3837 is a Parts Kit,ball Valve, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-334-3837 has 2 manufacturer part numbers on file: DF330610 FIND 28,33L1 (Naval Inventory Control Point Mechanicsburg), 801-6404739 FIND 28,33L1 (Naval Inventory Control Point Mechanicsburg).
Key specifications for DF330610 FIND 28,33L1: End Item Source: 53711; Criticality Code Justification: ZZZY; End Item Name: 5IN BALL VALVE-HULL VLV IN; End Item Identification: 801-6404739 ASSY 99. 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.
NSN 4820-01-334-3837 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.