The Valve,safety Relief, cataloged under National Stock Number 4820-01-653-1250, 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 24 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-653-1250 |
| Primary Part Number | BASGG03SCC-A100 |
| 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 | RECESSED STRAIGHT ALL ENDS |
| Bolt Circle Nominal Diameter | 2.44 INCHES ALL ENDS IN |
| Connection Type | FLANGE ALL ENDS |
| Style Designator | ANGLE FLANGED ENDS |
| Bolt Hole Nominal Diameter | 0.563 INCHES ALL ENDS IN |
| Operating Pressure | 100.00 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS |
| Operating Pressure | 150.00 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS |
| Valve Size | 0.50 INCHES IN |
| Adjustable Pressure Range | +13.00 TO 23.00 POUNDS PER SQUARE INCH LBS |
| Bonnet Type | INSIDE SPRING |
| Maximum Operating Temp | 150.00 FAHRENHEIT FIRST RESPONSE DEGF |
| Maximum Operating Temp | 425.00 FAHRENHEIT SECOND RESPONSE DEGF |
| Second Connection Face to Centerline Distance | 2.38 INCHES IN |
| Nominal Outside Diameter | 3.25 INCHES ALL ENDS IN |
| Disk Loading Method | SPRING |
| Bolt Hole Quantity | 3 ALL ENDS |
| Bonnet Attachment Method | THREADED |
| Media for Which Designed | LIQUID SINGLE RESPONSE |
| First Connection Face to Centerline Distance | 2.50 INCHES IN |
| Material | BRONZE BODY |
| Material | STEEL COMP 316 STEM |
| Valve Operation Method | MANUAL |
| 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 |
|---|---|
| BASGG03SCC-A100 PRIMARY | Dante Valve Company (USA) |
| Reference | Meaning |
|---|---|
| D50-0129 | D/9 Drawing number reference only Dante Valve Company |
NSN 4820-01-653-1250 is a Valve,safety Relief, manufactured by Dante Valve Company, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-653-1250 has 1 manufacturer part number on file: BASGG03SCC-A100 (Dante Valve Company).
Key specifications for BASGG03SCC-A100: Flow Control Device: DISK; Flange Shape: ROUND WITH HOLES ALL ENDS; Flange Face Design: RECESSED STRAIGHT ALL ENDS; Bolt Circle Nominal Diameter: 2.44 INCHES ALL ENDS IN. 24 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.