The Valve,safety Relief, cataloged under National Stock Number 4820-01-503-6351, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 1 specification, cited from the U.S. Government catalog. 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 | 4820-01-503-6351 |
| Primary Part Number | 106-5473 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | ACTIVE |
| Style Designator | SCREW-IN CARTRIDGE |
| 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 |
|---|---|
| 106-5473 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
NSN 4820-01-503-6351 is a Valve,safety Relief, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-503-6351 has 1 manufacturer part number on file: 106-5473 (Caterpillar Inc Div Caterpillar Defense).
Key specifications for 106-5473: Style Designator: SCREW-IN CARTRIDGE; Special Features: 6E-6198 VALVE GP-RELIEF PART OF 110-9740 LINES GP-AUGER MOTOR; Part Name Assigned by Controlling Agency: 6E-6198 VALVE GP-RELIEF; End Item Identification: HYDRAULIC GROUP. 1 specification is 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.