The Tailpiece,valve, cataloged under National Stock Number 4820-01-440-0105, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Fisher Controls Co Inc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-440-0105 |
| Primary Part Number | V165752X012 |
| Item Name | Tailpiece,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Fisher Controls Co Inc |
| Status | ACTIVE |
| Valve Model Number for Which Designed | A31A |
| 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 |
|---|---|
| PL MODEL A31A ITEM-11 | Fisher Controls Co Inc (USA) |
| V165752X012 PRIMARY | Fisher Controls Co Inc (USA) |
| Reference | Meaning |
|---|---|
| V165752X012 | 5/9 Secondary reference Ehrke, a E & Co |
NSN 4820-01-440-0105 is a Tailpiece,valve, manufactured by Fisher Controls Co Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-440-0105 has 2 manufacturer part numbers on file: PL MODEL A31A ITEM-11 (Fisher Controls Co Inc), V165752X012 (Fisher Controls Co Inc).
Key specifications for V165752X012: Valve Model Number for Which Designed: A31A; Special Features: APPL.BUTTERFLY VALVE,FISHER CONTROLS. 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.