The Valve,safety Relief, cataloged under National Stock Number 4820-01-578-0199, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Melroe Co. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-578-0199 |
| Primary Part Number | 6661113 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Melroe Co |
| 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 |
|---|---|
| 6661113 PRIMARY | Melroe Co (USA) |
NSN 4820-01-578-0199 is a Valve,safety Relief, manufactured by Melroe Co, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-578-0199 has 1 manufacturer part number on file: 6661113 (Melroe Co).
Key specifications for 6661113: Special Features: VALVE; MAIN RELIEF WITH REFERENCE TO 21 THROUGH 24; QUANTITY, 1; HIGH HORSEPOWER HYDRAULIC LOADERS, SEE PAGE D4.; Part Name Assigned by Controlling Agency: BOBCAT 853; End Item Identification: MISCELLANEOUS ITEMS. 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.