The Parts Kit,pressure Regulating VA, cataloged under National Stock Number 4820-01-339-7911, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 3 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-339-7911 |
| Item Name | Parts Kit,pressure Regulating VA |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| End Item Source | 34889 |
| End Item Name | SEAT ASSEMBLY |
| Reference Number Differentiating Characteristics | MAGNETIC PERMEABILITY SHALL NOT EXCEED 2.0 AFTER FABRICATION |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| D50288 ASSY A47449 | 5/1 Secondary reference Hunt Valve Company Inc Dba Union Flonetics |
| D50668 ITEM 7 ASSY A47449 | C/1 Advisory reference — outside the item-of-supply concept Hunt Valve Company, Inc. |
| A47449 | 3/1 Design control — primary reference Hunt Valve Company Inc Dba Union Flonetics |
| D50668 ITEM 7 ASSY A47449 | 5/9 Secondary reference Hunt Valve Company Inc Dba Union Flonetics |
NSN 4820-01-339-7911 is a Parts Kit,pressure Regulating VA, classified under FSC 4820, Valves, Nonpowered. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 4820-01-485-1246. Verify interchangeability with system specifications before substitution.
Key specifications for 4820-01-339-7911: End Item Source: 34889; End Item Name: SEAT ASSEMBLY; End Item Identification: VALVE,PRESSURE; W/S ARLEIGH BURKE CLASS DDG; Reference Number Differentiating Characteristics: MAGNETIC PERMEABILITY SHALL NOT EXCEED 2.0 AFTER FABRICATION. 3 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 4820-01-339-7911 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.