The Valve,flow Control, cataloged under National Stock Number 4820-01-464-9688, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is The Entwistle Company Llc. Government technical data includes 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-464-9688 |
| Primary Part Number | AV64H48 |
| Item Name | Valve,flow Control |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | The Entwistle Company Llc |
| Status | ACTIVE |
| Stem Material | STEEL CORROSION RESISTING |
| Disk Material | STEEL CORROSION RESISTING |
| Flow Control Device | BALL |
| End Connection Quantity | 2 |
| Valve Size | 1.500 INCHES IN |
| Nominal Thread Size | 1.500 INCHES IN |
| Body Material | COPPER ALLOY |
| Seat Material | PLASTIC POLYTETRAFLUOROETHYLENE |
| Valve Operation Method | MANUAL |
| 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 |
|---|---|
| 9325C16-3070-01 | The Entwistle Company Llc (USA) |
| AV64H48 PRIMARY | The Entwistle Company Llc (USA) |
| Reference | Meaning |
|---|---|
| 9325C16-3070 | D/9 Drawing number reference only The Entwistle Company Llc |
NSN 4820-01-464-9688 is a Valve,flow Control, manufactured by The Entwistle Company Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-464-9688 has 2 manufacturer part numbers on file: 9325C16-3070-01 (The Entwistle Company Llc), AV64H48 (The Entwistle Company Llc).
Key specifications for AV64H48: Stem Material: STEEL CORROSION RESISTING; Disk Material: STEEL CORROSION RESISTING; Flow Control Device: BALL; End Connection Quantity: 2. 9 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.