The Valve,relief,pressure and Temper, cataloged under National Stock Number 4820-01-509-3501, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Slidell Marine Inc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-509-3501 |
| Primary Part Number | 19291-ZW1-000 |
| Item Name | Valve,relief,pressure and Temper |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Slidell Marine Inc |
| Status | ACTIVE |
| End Connection Quantity | 2 |
| 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 |
|---|---|
| 19291-ZW1-000 PRIMARY | Slidell Marine Inc (USA) |
| Reference | Meaning |
|---|---|
| 19291-ZW1-000 | 5/9 Secondary reference American Honda Motor Co Inc |
NSN 4820-01-509-3501 is a Valve,relief,pressure and Temper, manufactured by Slidell Marine Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-509-3501 has 1 manufacturer part number on file: 19291-ZW1-000 (Slidell Marine Inc).
Key specifications for 19291-ZW1-000: End Connection Quantity: 2; Special Features: VALVE, RELIEF: THE NEXT HIGHER ASSEMBLY IS THE CYLINDER HEAD COVER.THIS ITEM IS PART OF AN OUTBOARD ENGINE, MODEL NUMBER BF130AX. THE INFORMATION CAME FROM A HONDA POWER EQUIPMENT PARTS CATALOG, FIRST EDITION, AUGUST 2001. SLIDELL MARINE, INC. (CAGE 08YS9), MENTIONED THAT THE PARTS ON THIS ENGINE ARE MANUFACTURED AT SEVERAL LOCATIONS.; Part Name Assigned by Controlling Agency: VALVE, RELIEF; End Item Identification: ENGINE. 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.