The Valve,safety Relief, cataloged under National Stock Number 4820-01-536-4179, 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 27 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-536-4179 |
| Primary Part Number | BBMHG08SKK-HC |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Dante Valve Company |
| Status | ACTIVE |
| Flange Shape | ROUND WITH HOLES FIRST END |
| Flange Shape | ROUND WITH HOLES SECOND END |
| Furnished Items and Quantity | 1 LEVER |
| Flange Face Design | PLAIN FIRST END |
| Flange Face Design | PLAIN SECOND END |
| Bolt Circle Nominal Diameter | 5.500 INCHES FIRST END IN |
| Bolt Circle Nominal Diameter | 5.500 INCHES SECOND END IN |
| Connection Type | FLANGE SECOND END |
| Connection Type | FLANGE FIRST END |
| Style Designator | ANGLE FLANGED ENDS |
| Bolt Hole Nominal Diameter | 0.687 INCHES FIRST END IN |
| Bolt Hole Nominal Diameter | 0.562 INCHES SECOND END IN |
| Valve Size | 3.000 INCHES IN |
| Adjustable Pressure Range | +160.0 TO 225.0 POUNDS PER SQUARE INCH LBS |
| Second Connection Face to Centerline Distance | 6.000 INCHES IN |
| Nominal Outside Diameter | 6.625 INCHES SECOND END IN |
| Nominal Outside Diameter | 6.625 INCHES FIRST END IN |
| Bolt Hole Quantity | 8 SECOND END |
| Bolt Hole Quantity | 8 FIRST END |
| Media for Which Designed | LIQUID SINGLE RESPONSE |
| First Connection Face to Centerline Distance | 5.500 INCHES IN |
| Material | NICKEL ALLOY STEM |
| Material | BRONZE BODY |
| Material | NICKEL ALLOY FLOW CONTROL DEVICE |
| Valve Operation Method | AUTOMATIC OR MANUAL |
| Nominal Thickness | 0.500 INCHES SECOND END IN |
| Nominal Thickness | 0.937 INCHES FIRST END 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 |
|---|---|
| BBMHG08SKK-HC PRIMARY | Dante Valve Company (USA) |
| Reference | Meaning |
|---|---|
| CD3000FF-HC | C/1 Advisory reference — outside the item-of-supply concept Dante Valve Company |
| D3000FF-HC | 5/9 Secondary reference Danco Valve Company |
| BBMHG08SKK-HC | 3/9 Design control — primary reference Danco Valve Company |
| D3000FF-HC | C/1 Advisory reference — outside the item-of-supply concept Dante Valve Company |
| CD3000FF-HC | 5/9 Secondary reference Danco Valve Company |
| BBMHG08SKK | 5/9 Secondary reference Danco Valve Company |
NSN 4820-01-536-4179 is a Valve,safety Relief, manufactured by Dante Valve Company, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-536-4179 has 1 manufacturer part number on file: BBMHG08SKK-HC (Dante Valve Company).
Key specifications for BBMHG08SKK-HC: Flange Shape: ROUND WITH HOLES FIRST END; Flange Shape: ROUND WITH HOLES SECOND END; Furnished Items and Quantity: 1 LEVER; Flange Face Design: PLAIN FIRST END. 27 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.