The Parts Kit,safety Relief Valve, cataloged under National Stock Number 4820-01-442-7744, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Fenner Fluid Power Inc. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4820-01-442-7744 |
| Primary Part Number | KC08 |
| Item Name | Parts Kit,safety Relief Valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Fenner Fluid Power Inc |
| Status | ACTIVE |
| Component Quantity | 7 |
| Document Type | MFR DRAWING |
| End Item Source | 34712 |
| Component Document Page Number | 1 |
| Document Identification | KC08 |
| Supply Items and Quantities | 53899 2780-AA VALVE PLUG 1; 53899 1441-AA PLUG 1; 53899 RV-2 AJD. RELIEF VALVE 1; SPRING BLUE (500-1000PSI) 1; SPRING GREEN (1000-2000PSI) 1; SPRING RED (2000-3000PSI) 1; SPRING BLACK (3000-4000PSI) 1 |
| Component Document Origin | INDUSTRIAL |
| End Item Name | POWER UNIT,HYDRAUTIC,AIR MOTOR DRIVEN |
| Document Source | 53899 |
| 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 |
|---|---|
| KC08 PRIMARY | Fenner Fluid Power Inc (USA) |
| 7A8-08751 IT 4 | Lake Shore Systems, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 7A8-08751 | D/9 Drawing number reference only Lake Shore Systems, Inc. |
NSN 4820-01-442-7744 is a Parts Kit,safety Relief Valve, manufactured by Fenner Fluid Power Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-442-7744 has 2 manufacturer part numbers on file: KC08 (Fenner Fluid Power Inc), 7A8-08751 IT 4 (Lake Shore Systems, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 4320-01-448-1216. Verify interchangeability with system specifications before substitution.
Key specifications for KC08: Component Quantity: 7; Document Type: MFR DRAWING; End Item Source: 34712; Component Document Page Number: 1. 9 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.