The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-00-232-6945, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. Government technical data includes 30 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-232-6945 |
| Primary Part Number | 2663265-1 |
| Item Name | Valve,regulating,fluid Pressure |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| Status | ACTIVE |
| Flow Control Device | POPPET |
| Valve Stem Design | DOUBLE SEAT |
| Second End Seat Angle in Deg | 12.0 |
| First End Thread Direction | RIGHT-HAND |
| Second End Relationship with First End | NOT IDENTICAL |
| Second End Thread Class | 2B |
| First End Thread Pitch Diameters | +0.7094 TO 0.7159 INCHES IN |
| Remote Actuation Method | PISTON |
| First End Seat Angle in Deg | 15.0 |
| First End Thread Class | 2B |
| First End Style Designator | GASKET SEAL |
| Temp Rating | 0.0 FAHRENHEIT MINIMUM AND 160.0 FAHRENHEIT MAXIMUM DEGF |
| First End Bolt Hole Diameter | 0.500 INCHES NOMINAL IN |
| Material Document and Classification | QQ-S-763, CLASS 302, 303, 304, 305, 310, OR 316 FED SPEC SINGLE MATERIAL RESPONSE SEAT |
| Material Document and Classification | QQ-S-763, CLASS 302, 303, 304, 305, 310, OR 316 FED SPEC SINGLE MATERIAL RESPONSE STEM |
| Material Document and Classification | QQ-S-763, CLASS 302, 303, 304, 305, 310, OR 316 FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE |
| Material Document and Classification | MIL-P-5516 MIL SPEC SINGLE MATERIAL RESPONSE PACKING |
| Material Document and Classification | QQ-A-250/11, T4 FED SPEC SINGLE MATERIAL RESPONSE AND QQ-A-250/11, T6 FED SPEC SINGLE MATERIAL RESPONSE LOCATION NOT OTHERWISE SPECIFIED |
| End Connection Quantity | 2 |
| Outlet Pressure Range | 635.0 TO 1475.0 CAMERA MOUNT |
| First End Seat Radius | 0.005 INCHES MINIMUM AND 0.010 INCHES MAXIMUM IN |
| Valve Loading Method | SPRING |
| Mounting Facility | BOLTS |
| Second End Style Designator | GASKET SEAL |
| Second End Seat Radius | 0.005 INCHES MINIMUM AND 0.010 INCHES MAXIMUM IN |
| First End Connection Type | THREADED INTERNAL TUBE |
| Second End Thread Pitch Diameters | +0.5264 TO 0.5323 INCHES IN |
| Material | STEEL CORROSION RESISTING FLOW CONTROL DEVICE |
| Material | STEEL CORROSION RESISTING SEAT |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR PACKING |
| 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 |
|---|---|
| 2663265-1 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| RV74C226174-3 | 5/2 Secondary reference U.S. Government activity |
NSN 4820-00-232-6945 is a Valve,regulating,fluid Pressure, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-232-6945 has 1 manufacturer part number on file: 2663265-1 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
Key specifications for 2663265-1: Flow Control Device: POPPET; Valve Stem Design: DOUBLE SEAT; Second End Seat Angle in Deg: 12.0; First End Thread Direction: RIGHT-HAND. 30 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.