The Valve,relief,pressure and Temper, cataloged under National Stock Number 4820-01-522-5146, 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 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-522-5146 |
| Primary Part Number | CASNN07SHH |
| Item Name | Valve,relief,pressure and Temper |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Dante Valve Company |
| Status | ACTIVE |
| Temp Rating | 200.0 FAHRENHEIT DEGF |
| Offset Distance | 4.750 INCHES NOMINAL IN |
| Body Style | ANGLE W/ OFFSET GIVE "ADQM" AND "ADQN" ONLY IF FLANGED BOTH ENDS |
| First Connection Face to Centerline Distance | 4.750 INCHES NOMINAL IN |
| End Connection Quantity | 2 |
| Second Connection Face to Centerline Distance | 4.750 INCHES NOMINAL IN |
| Material | STEEL BODY |
| Material | STEEL SEAT |
| Material | STEEL STEM |
| 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 |
|---|---|
| CASNN07SHH PRIMARY | Dante Valve Company (USA) |
| D60-2-000 ASSY CASNN07SHH | Dante Valve Company (USA) |
| Reference | Meaning |
|---|---|
| CASNN07SHH | 3/9 Design control — primary reference Danco Valve Company |
| D60-2-000 ASSY CASNN07SHH | 5/9 Secondary reference Danco Valve Company |
NSN 4820-01-522-5146 is a Valve,relief,pressure and Temper, manufactured by Dante Valve Company, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-522-5146 has 2 manufacturer part numbers on file: CASNN07SHH (Dante Valve Company), D60-2-000 ASSY CASNN07SHH (Dante Valve Company).
Key specifications for CASNN07SHH: Temp Rating: 200.0 FAHRENHEIT DEGF; Offset Distance: 4.750 INCHES NOMINAL IN; Body Style: ANGLE W/ OFFSET GIVE "ADQM" AND "ADQN" ONLY IF FLANGED BOTH ENDS; First Connection Face to Centerline Distance: 4.750 INCHES NOMINAL IN. 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.