The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-363-7645, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Hamilton Sundstrand Corporation Dba Collins Aerospace. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-363-7645 |
| Primary Part Number | AD40964-1 |
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Hamilton Sundstrand Corporation Dba Collins Aerospace |
| Status | ACTIVE |
| Flow Control Device | DIAPHRAGM |
| First End Thread Direction | RIGHT-HAND |
| Second End Relationship with First End | IDENTICAL |
| First End Style Designator | PLAIN |
| End Connection Quantity | 2 |
| First End Connection Type | THREADED EXTERNAL PIPE |
| Material | RUBBER FLOW CONTROL DEVICE |
| Thread Size and Series/type Designator | 0.750-14 NPT FIRST END |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| AD40964-1 PRIMARY | Hamilton Sundstrand Corporation Dba Collins Aerospace (USA) |
NSN 4820-01-363-7645 is a Valve,regulating,fluid Pressure, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-363-7645 has 1 manufacturer part number on file: AD40964-1 (Hamilton Sundstrand Corporation Dba Collins Aerospace).
Key specifications for AD40964-1: Flow Control Device: DIAPHRAGM; First End Thread Direction: RIGHT-HAND; Second End Relationship with First End: IDENTICAL; First End Style Designator: PLAIN. 8 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.
NSN 4820-01-363-7645 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.