The Valve Assembly, cataloged under National Stock Number 4820-01-359-3789, 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 7 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-359-3789 |
| Primary Part Number | DF330613 ASSEMBLY 99L1 |
| Item Name | Valve Assembly |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Valve Quantity | 2 |
| Nominal Pipe Size Accommodated | 1.500 INCHES IN |
| Criticality Code Justification | ZZZY |
| Connection Type | BUTT WELD PIPE |
| End Connection Quantity | 2 |
| Body Material | COPPER ALLOY |
| 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 B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| DF330613 ASSEMBLY 99L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 801-6408529 ASSEMBLY 99L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 211036626L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| DF330613 ASSEMBLY 99 | 3/1 Design control — primary reference Huntington Ingalls Inc Div Newport News Shipbuilding |
| 211036626 | 5/1 Secondary reference Naval Sea Systems Command |
| 801-6408529 ASSEMBLY 99 | 5/1 Secondary reference Naval Sea Systems Command |
NSN 4820-01-359-3789 is a Valve Assembly, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-359-3789 has 3 manufacturer part numbers on file: DF330613 ASSEMBLY 99L1 (Naval Inventory Control Point Mechanicsburg), 801-6408529 ASSEMBLY 99L1 (Naval Inventory Control Point Mechanicsburg), 211036626L1 (Naval Inventory Control Point Mechanicsburg).
Key specifications for DF330613 ASSEMBLY 99L1: Valve Quantity: 2; Nominal Pipe Size Accommodated: 1.500 INCHES IN; Criticality Code Justification: ZZZY; Connection Type: BUTT WELD PIPE. 7 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 4820-01-359-3789 has DEMIL Code B. 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.