The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-315-6672, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Smith Equipment Mfg Co Llc. Government technical data includes 11 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-315-6672 |
| Primary Part Number | HB1530-580 |
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Smith Equipment Mfg Co Llc |
| Status | ACTIVE |
| Second End Relationship with First End | IDENTICAL |
| Body Style | STRAIGHT THRU |
| Regulation Type | 1ST STAGE MANUAL, 2ND STAGE AUTOMATIC |
| End Connection Quantity | 2 |
| Manual Control Method | KNOB |
| Valve Loading Method | SPRING |
| Mounting Facility | PANEL |
| First End Connection Type | THREADED INTERNAL PIPE |
| Material | BRASS SEAT |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR PACKING |
| Media for Which Designed | GAS |
| 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 |
|---|---|
| HB1530-580 PRIMARY | Smith Equipment Mfg Co Llc (USA) |
| Reference | Meaning |
|---|---|
| 40-275-580 | 5/9 Secondary reference Smith Equipment Mfg Co Llc |
| H1530A-580 | 5/9 Secondary reference Smith Equipment Mfg Co Llc |
NSN 4820-01-315-6672 is a Valve,regulating,fluid Pressure, manufactured by Smith Equipment Mfg Co Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-315-6672 has 1 manufacturer part number on file: HB1530-580 (Smith Equipment Mfg Co Llc).
Key specifications for HB1530-580: Second End Relationship with First End: IDENTICAL; Body Style: STRAIGHT THRU; Regulation Type: 1ST STAGE MANUAL, 2ND STAGE AUTOMATIC; End Connection Quantity: 2. 11 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.