The Plug,rotary,valve, cataloged under National Stock Number 4820-01-304-5589, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Circor Pumps North America Llc. Government technical data includes 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4820-01-304-5589 |
| Primary Part Number | S-315AB/9219 |
| Item Name | Plug,rotary,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Circor Pumps North America Llc |
| Status | ACTIVE |
| Port Diameter | 0.020 INCHES NOMINAL IN |
| Material | STEEL |
| Plug Design | TAPERED |
| 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 |
|---|---|
| SG4463 PIECE 42 | Circor Pumps North America Llc (USA) |
| S-315AB/9219 PRIMARY | Circor Pumps North America Llc (USA) |
| Reference | Meaning |
|---|---|
| S-315AB/9219 | 5/9 Secondary reference Siemens Energy, Inc. |
| SG4463 PIECE 42 | 5/9 Secondary reference Siemens Energy, Inc. |
NSN 4820-01-304-5589 is a Plug,rotary,valve, manufactured by Circor Pumps North America Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-304-5589 has 2 manufacturer part numbers on file: SG4463 PIECE 42 (Circor Pumps North America Llc), S-315AB/9219 (Circor Pumps North America Llc).
Key specifications for S-315AB/9219: Port Diameter: 0.020 INCHES NOMINAL IN; Overall Length: 1.875 INCHES NOMINAL IN; End Item Identification: IMO DELAVEL INC,ROTARY PUMP,MODEL A422BS-462; Material: STEEL. 3 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.