The Parts Kit,pressure Regulating VA, cataloged under National Stock Number 4820-01-485-1246, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 4 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4820-01-485-1246 |
| Item Name | Parts Kit,pressure Regulating VA |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| End Item Source | 34889 |
| Criticality Code Justification | ZZZY |
| End Item Name | SEAT ASSY |
| Reference Number Differentiating Characteristics | CLEANING, PACKAGING, AND MARKING IAW THE LATEST REVISION OF MIL-STD-1330 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Reference | Meaning |
|---|---|
| A47449CP | 3/1 Design control — primary reference Naval Inventory Control Point Mechanicsburg |
| D50668 | D/9 Drawing number reference only Hunt Valve Company Inc Dba Union Flonetics |
| D50668 IT7 ASSY A47449 | 5/1 Secondary reference Hunt Valve Company Inc Dba Union Flonetics |
| A47449 | 5/1 Secondary reference Hunt Valve Company Inc Dba Union Flonetics |
NSN 4820-01-485-1246 is a Parts Kit,pressure Regulating VA, classified under FSC 4820, Valves, Nonpowered. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 4820-01-485-1806, 4820-01-485-1820. Verify interchangeability with system specifications before substitution.
Key specifications for 4820-01-485-1246: End Item Source: 34889; Criticality Code Justification: ZZZY; End Item Name: SEAT ASSY; Special Features: VALVE,PRESSURE. 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.