The Disk,valve, cataloged under National Stock Number 4820-01-198-1245, 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 1 specification, 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-198-1245 |
| Primary Part Number | PP100S |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Circor Pumps North America Llc |
| Status | ACTIVE |
| Material | COPPER ALLOY |
| 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 |
|---|---|
| 005.101.0382 | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| PP100S PRIMARY | Circor Pumps North America Llc (USA) |
| Reference | Meaning |
|---|---|
| SG-3106 | D/9 Drawing number reference only Siemens Energy, Inc. |
| B-10249 | 5/9 Secondary reference Kunkle Industries Inc Lonergan Valve Div |
| 005.101.0382 | 5/9 Secondary reference Anderson Greenwood Lp Dba Anderson Greenwood Crosby |
| 005.101.0382 | 5/9 Secondary reference Kunkle Industries Inc Lonergan Valve Div |
| SG-3106 PIECE 27 | 5/9 Secondary reference Siemens Energy, Inc. |
| SG-3106 PIECE 27 | 5/9 Secondary reference Circor Pumps North America Llc |
NSN 4820-01-198-1245 is a Disk,valve, manufactured by Circor Pumps North America Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-198-1245 has 2 manufacturer part numbers on file: 005.101.0382 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), PP100S (Circor Pumps North America Llc).
1 possible match (shared part number, not a government interchangeability claim): 5340-01-222-7815. Verify interchangeability with system specifications before substitution.
Key specifications for PP100S: Material: COPPER ALLOY. 1 specification is 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.