The Valve,safety Relief, cataloged under National Stock Number 4820-01-397-5746, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Dante Valve Company. Government technical data includes 13 specifications, 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through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-397-5746 |
| Primary Part Number | CKCNN01JCC |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Dante Valve Company |
| Status | ACTIVE |
| Flow Control Device | DISK |
| Flange Shape | ROUND WITH HOLES ALL ENDS |
| Flange Face Design | RAISED STRAIGHT ALL ENDS |
| Connection Type | FLANGE ALL ENDS |
| Style Designator | ANGLE FLANGED ENDS |
| Valve Size | 0.500 INCHES IN |
| Disk Loading Method | SPRING |
| Material | STEEL BODY |
| Material | STEEL COMP 303 STEM |
| Material | STEEL COMP 303 SEAT |
| Material | STEEL COMP 316 FLOW CONTROL DEVICE |
| Opening Pressure Setting | 5.0 POUNDS PER SQUARE INCH LBS |
| Valve Operation Method | AUTOMATIC |
| 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 |
|---|---|
| CKCNN01JCC PRIMARY | Dante Valve Company (USA) |
| Reference | Meaning |
|---|---|
| CKCNN01JCC | 5/9 Secondary reference Danco Valve Company |
| CDS665 | 5/9 Secondary reference Kunkle Industries Inc Lonergan Valve Div |
| CDS665 | 5/9 Secondary reference Emerson Automation Solutions Final Control Us Lp Div Navy Product Team |
| CKCNN01CCC | 5/9 Secondary reference Danco Valve Company |
| L-3110/NMP0802D02S005 CDS665 | 5/9 Secondary reference Emerson Automation Solutions Final Control Us Lp Div Navy Product Team |
| L-3110/NMP0802D02S005 CDS665 | 5/9 Secondary reference Anderson Greenwood Lp Dba Anderson Greenwood Crosby |
| L-3110/NMP0802D02S005 CDS665 | 5/9 Secondary reference Kunkle Industries Inc Lonergan Valve Div |
| CDS665 | 5/9 Secondary reference Anderson Greenwood Lp Dba Anderson Greenwood Crosby |
NSN 4820-01-397-5746 is a Valve,safety Relief, manufactured by Dante Valve Company, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-397-5746 has 1 manufacturer part number on file: CKCNN01JCC (Dante Valve Company).
Key specifications for CKCNN01JCC: Flow Control Device: DISK; Flange Shape: ROUND WITH HOLES ALL ENDS; Flange Face Design: RAISED STRAIGHT ALL ENDS; Connection Type: FLANGE ALL ENDS. 13 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.