The Cartridge,safety Relief Valve, cataloged under National Stock Number 4820-01-164-7411, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Delta Power Hydraulic Co. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-164-7411 |
| Primary Part Number | 85002125 |
| Item Name | Cartridge,safety Relief Valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Delta Power Hydraulic Co |
| Status | ACTIVE |
| General Characteristics Item Description | 4.500 IN. LG;PRESSURE ADJUSTMENT RANGE 200 PSI TO 1500 PSI; FLOW CAPACITY 11 GPM AT 900 PSI; MEDIA MIL-H-5606;TEMPERATURE RANGE -40 DEGREES TO 120 DEGREES F; POPPET TYPE IN |
| 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 |
|---|---|
| 85002125 PRIMARY | Delta Power Hydraulic Co (USA) |
| Reference | Meaning |
|---|---|
| 02331-0247 | 5/9 Secondary reference U.S. Government activity |
NSN 4820-01-164-7411 is a Cartridge,safety Relief Valve, manufactured by Delta Power Hydraulic Co, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-164-7411 has 1 manufacturer part number on file: 85002125 (Delta Power Hydraulic Co).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-228-4197. Verify interchangeability with system specifications before substitution.
Key specifications for 85002125: General Characteristics Item Description: 4.500 IN. LG;PRESSURE ADJUSTMENT RANGE 200 PSI TO 1500 PSI; FLOW CAPACITY 11 GPM AT 900 PSI; MEDIA MIL-H-5606;TEMPERATURE RANGE -40 DEGREES TO 120 DEGREES F; POPPET TYPE IN; End Item Identification: AIRCRAFT CARGO LOADER,AS32H5. 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.