The Valve,relief,pressure and Temper, cataloged under National Stock Number 4820-01-654-7508, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Parker-Hannifin Corporation Dba Pneutronics. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Valve,relief,pressure and Temper |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Parker-Hannifin Corporation Dba Pneutronics (CAGE 3H889) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-654-7508 |
| Primary Part Number | 2030004-101 |
| Item Name | Valve,relief,pressure and Temper |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Parker-Hannifin Corporation Dba Pneutronics |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 2030004-101 PRIMARY | Parker-Hannifin Corporation Dba Pneutronics (USA) |
| Reference | Meaning |
|---|---|
| 2AFV00501-0001 | 5/9 Secondary reference Bae Systems |
| 2030004-101 | 3/2 Design control — primary reference U.S. Government activity |
| 2AFV00501-0001 | 7/2 Vendor item drawing reference U.S. Government activity |
| ICD2030004 | D/9 Drawing number reference only U.S. Government activity |
NSN 4820-01-654-7508 is a Valve,relief,pressure and Temper, manufactured by Parker-Hannifin Corporation Dba Pneutronics, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-654-7508 has 1 manufacturer part number on file: 2030004-101 (Parker-Hannifin Corporation Dba Pneutronics).
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 4820-01-654-7508 has DEMIL Code D. Demilitarization may be required before disposal or transfer to non-military entities.
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.