The Valve,lift-Check, cataloged under National Stock Number 4820-00-945-9308, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Tactair Fluid Controls Inc. Government technical data includes 29 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-945-9308 |
| Primary Part Number | 5904 |
| Item Name | Valve,lift-Check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Tactair Fluid Controls Inc |
| Status | ACTIVE |
| Connection Style | FLARE (TUBE) ALL ENDS |
| Bonnet Type | INSIDE SCREW |
| Features Provided | VALVE STEM LOCK SHIELD |
| Flow Control Device | POPPET |
| Renewable Seat Ring Type | PRESSED-IN |
| Connection Type | THREADED INTERNAL TUBE ALL ENDS |
| Thread Class | 3B ALL ENDS |
| Material | STEEL CORROSION RESISTING SEAT |
| Material | STEEL CORROSION RESISTING FLOW CONTROL DEVICE |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Maximum Operating Temp | 3000.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Valve Operation Method | AUTOMATIC |
| Material Document and Classification | 66 FED STD SINGLE MATERIAL RESPONSE AND AISI 302/SAE 30302 ASSN STD SINGLE MATERIAL RESPONSE SEAT |
| Mounting Facility | THREADED FASTENER |
| Mounting Position | HORIZONTAL |
| Disk Loading Method | SPRING |
| Bonnet Attachment Method | PRESSURE SEAL, RING TYPE |
| Style Designator | STRAIGHT THRU |
| Nominal Thread Size | 0.437 INCHES ALL ENDS IN |
| Test Data Document | 70236-T1175 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING) |
| Thread Series Designator | UNF ALL ENDS |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Surface Treatment | ENAMEL |
| Media for Which Designed | FUEL/OIL, HYDROCARBON SINGLE RESPONSE |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES ALL ENDS IN |
| Material Document and Classification | QQ-A-225/6,ALLOY 2024 FED SPEC SINGLE MATERIAL RESPONSE BODY |
| Material | ALUMINUM ALLOY 2024 BODY |
| Material Document and Classification | 66 FED STD 1ST MATERIAL RESPONSE AND AISI 302/SAE 30302 ASSN STD 2ND MATERIAL RESPONSE STEM |
| Material | STEEL CORROSION RESISTING STEM |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 5904 PRIMARY | Tactair Fluid Controls Inc (USA) |
| 5904 | Tactair Fluid Controls Inc Phoenix Controls Div (USA) |
| 32-691550-23 | The Boeing Company Div Defense (USA) |
NSN 4820-00-945-9308 is a Valve,lift-Check, manufactured by Tactair Fluid Controls Inc, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-945-9308 has 3 cross-referenced part numbers: 5904 (Tactair Fluid Controls Inc), 5904 (Tactair Fluid Controls Inc Phoenix Controls Div), 32-691550-23 (The Boeing Company Div Defense).
There are 12 known substitutes for 4820-00-945-9308: 5999-00-549-5561, 5960-00-686-8512, 8115-00-935-5904 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 5904: Connection Style: FLARE (TUBE) ALL ENDS; Bonnet Type: INSIDE SCREW; Features Provided: VALVE STEM LOCK SHIELD; Flow Control Device: POPPET. 29 total characteristics are documented in the Federal Logistics Information System.