The Valve,restrictor Check, cataloged under National Stock Number 4820-00-005-7340, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Ballistic Missile Defense Systems Command. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-005-7340 |
| Primary Part Number | 11241418-19 |
| Item Name | Valve,restrictor Check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Ballistic Missile Defense Systems Command |
| Status | ACTIVE |
| Nominal Thread Size | 0.375 INCHES ALL ENDS IN |
| Material | COPPER ALLOY BODY |
| Operating Pressure | 125.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Material | COPPER ALLOY SEAT |
| Thread Series Designator | NPT ALL ENDS |
| Surface Treatment | CHROMIUM OR NICKEL |
| Media for Which Designed | WATER, FRESH SINGLE RESPONSE |
| Style Designator | STRAIGHT THRU |
| Material | RUBBER FLOW CONTROL DEVICE |
| Connection Style | PLAIN, OPTIONAL END (PIPE) ALL ENDS |
| Maximum Operating Temp | 160.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Flow Control Device | DISK |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Valve Operation Method | AUTOMATIC |
| Aperture Diameter | 0.375 INCHES NOMINAL IN |
| Renewable Seat Ring Type | PRESSED-IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 11241418-19 | Ballistic Missile Defense Systems Command (USA) |
| 1-4G | Eaton Corp Controls Div (USA) |
NSN 4820-00-005-7340 is a Valve,restrictor Check, manufactured by Ballistic Missile Defense Systems Command, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-005-7340 has 2 cross-referenced part numbers: 11241418-19 (Ballistic Missile Defense Systems Command), 1-4G (Eaton Corp Controls Div).
There are 2 known substitutes for 4820-00-005-7340: 2040-00-088-5282, 5940-00-665-5749. Verify interchangeability with system specifications before substitution.
Key specifications for 11241418-19: Nominal Thread Size: 0.375 INCHES ALL ENDS IN; Material: COPPER ALLOY BODY; Operating Pressure: 125.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Material: COPPER ALLOY SEAT. 16 total characteristics are documented in the Federal Logistics Information System.