The Valve,safety Relief, cataloged under National Stock Number 4820-01-394-9754, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Everllence Usa Inc.. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4820-01-394-9754 |
| Primary Part Number | 79-200/02 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Everllence Usa 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 |
|---|---|
| 79-200/02 PRIMARY | Everllence Usa Inc. (USA) |
| Reference | Meaning |
|---|---|
| 79-200 | 5/9 Secondary reference Everllence Usa Inc. |
| 3G12/002 ITEM 5 | 5/9 Secondary reference Everllence Usa Inc. |
| 760G5200 | 5/9 Secondary reference Everllence Usa Inc. |
| 79OG5200 | C/1 Advisory reference — outside the item-of-supply concept Regulateurs Europa Limited Div Regulateurs Europa |
| 79OG5200 | 5/9 Secondary reference Everllence Usa Inc. |
NSN 4820-01-394-9754 is a Valve,safety Relief, manufactured by Everllence Usa Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-394-9754 has 1 manufacturer part number on file: 79-200/02 (Everllence Usa Inc.).
1 possible match (shared part number, not a government interchangeability claim): 6640-01-462-5498. Verify interchangeability with system specifications before substitution.
Key specifications for 79-200/02: End Item Identification: VALENTA DIESEL ENGINE PRE-WARMING UNIT. 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.