The Valve,purge, cataloged under National Stock Number 4820-01-440-9287, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Evac North America Inc. The record lists 2 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4820-01-440-9287 |
| Primary Part Number | 5979001 |
| Item Name | Valve,purge |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Evac North America Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 5979001 PRIMARY | Evac North America Inc (USA) |
| 7150027 PRIMARY | Evac North America Inc (USA) |
| Reference | Meaning |
|---|---|
| 7250051 ITEM 2 | 5/9 Secondary reference Envirovac Inc Dba Monogram Systems-Rockford Div |
| 3-5979500 POS.2 | 5/9 Secondary reference Envirovac Inc Dba Monogram Systems-Rockford Div |
| 7150027 | 5/9 Secondary reference Envirovac Inc Dba Monogram Systems-Rockford Div |
NSN 4820-01-440-9287 is a Valve,purge, manufactured by Evac North America Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-440-9287 has 2 manufacturer part numbers on file: 5979001 (Evac North America Inc), 7150027 (Evac North America Inc).
Key specifications for 5979001: Special Features: USED ON GRAY WATER COLLECTING TANK; End Item Identification: NAVY WEAPONS SYSTEM CODE,JU,OSPREY CLASS MHC. 0 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.