The Valve,check, cataloged under National Stock Number 4820-01-559-1671, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Hatz Diesel of America Inc. 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 | 4820-01-559-1671 |
| Primary Part Number | 01534601 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Hatz Diesel of 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 |
|---|---|
| 01534601 PRIMARY | Hatz Diesel of America Inc (USA) |
NSN 4820-01-559-1671 is a Valve,check, manufactured by Hatz Diesel of America Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-559-1671 has 1 manufacturer part number on file: 01534601 (Hatz Diesel of America Inc).
Key specifications for 01534601: End Item Identification: 4930-01-240-4579 - FUEL PUMP MODULE, SIXCON. 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.