The Valve,butterfly, cataloged under National Stock Number 4820-00-911-7989, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Pall Corporation Fluid Dynamics Division Dba Pall Corporation Fluid Dynamics. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Valve,butterfly |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Pall Corporation Fluid Dynamics Division Dba Pall Corporation Fluid Dynamics (CAGE 0DTZ7) |
| Parameter | Value |
|---|---|
| NSN | 4820-00-911-7989 |
| Primary Part Number | 105660-01 |
| Item Name | Valve,butterfly |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Pall Corporation Fluid Dynamics Division Dba Pall Corporation Fluid Dynamics |
| Status | ACTIVE |
| 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 |
|---|---|
| 105660-01 PRIMARY | Pall Corporation Fluid Dynamics Division Dba Pall Corporation Fluid Dynamics (USA) |
| Reference | Meaning |
|---|---|
| 105660 | D/9 Drawing number reference only Technetics Group Llc Dba Technetics Group Deland Div Technetics Group Deland |
| 105660-1 | 5/9 Secondary reference Technetics Group Llc Dba Technetics Group Deland Div Technetics Group Deland |
| 105660-01 | 5/9 Secondary reference Technetics Group Llc Dba Technetics Group Deland Div Technetics Group Deland |
NSN 4820-00-911-7989 is a Valve,butterfly, manufactured by Pall Corporation Fluid Dynamics Division Dba Pall Corporation Fluid Dynamics, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-911-7989 has 1 manufacturer part number on file: 105660-01 (Pall Corporation Fluid Dynamics Division Dba Pall Corporation Fluid Dynamics).
1 possible match (shared part number, not a government interchangeability claim): 2590-01-667-4671. Verify interchangeability with system specifications before substitution.
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.