The Valve,check, cataloged under National Stock Number 4820-00-238-5404, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Transdigm Inc Div Aero Fluid Products. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-238-5404 |
| Primary Part Number | 314400-1 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Transdigm Inc Div Aero Fluid Products |
| Status | ACTIVE |
| Thread Series Designator | UN ALL ENDS |
| Surface Treatment | ANODIZE |
| Disk Loading Method | SPRING |
| Seat Angle | 37.0 DEGREES FIRST END |
| Nominal Outside Diameter Tube Accommodated | 1.000 INCHES FIRST END IN |
| Flow Control Device | DISK |
| Thread Quantity Per Inch | 12 ALL ENDS |
| Nominal Thread Size | 1.312 INCHES ALL ENDS IN |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Thread Class | 3A ALL ENDS A |
| Maximum Operating Temp | 250.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Connection Type | THREADED EXTERNAL TUBE ALL ENDS |
| Valve Operation Method | AUTOMATIC |
| Connection Style | FLARED (TUBE) ALL ENDS |
| Style Designator | STRAIGHT THRU |
| Material | ALUMINUM ALLOY OVERALL |
| Media for Which Designed | FUEL/OIL, HYDROCARBON SINGLE RESPONSE |
| Mounting Position | HORIZONTAL OR VERTICAL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 314400 | Transdigm Inc Div Aero Fluid Products (USA) |
| 314400-1 PRIMARY | Transdigm Inc Div Aero Fluid Products (USA) |
| 114PS456-1 | The Boeing Company (USA) |
NSN 4820-00-238-5404 is a Valve,check, manufactured by Transdigm Inc Div Aero Fluid Products, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-238-5404 has 3 cross-referenced part numbers: 314400 (Transdigm Inc Div Aero Fluid Products), 314400-1 (Transdigm Inc Div Aero Fluid Products), 114PS456-1 (The Boeing Company).
There are 4 known substitutes for 4820-00-238-5404: 4220-01-053-5645, 5330-01-321-9296, 3120-01-358-8035 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for 314400-1: Thread Series Designator: UN ALL ENDS; Surface Treatment: ANODIZE; Disk Loading Method: SPRING; Seat Angle: 37.0 DEGREES FIRST END. 18 total characteristics are documented in the Federal Logistics Information System.