The Valve,restrictor Check, cataloged under National Stock Number 4820-00-557-0113, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Eaton Corp Controls Div. Government technical data includes 14 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-557-0113 |
| Primary Part Number | 3-4G |
| Item Name | Valve,restrictor Check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Eaton Corp Controls Div |
| Status | ACTIVE |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Valve Operation Method | AUTOMATIC |
| Media for Which Designed | WATER, FRESH SINGLE RESPONSE |
| Operating Pressure | 125.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Nominal Thread Size | 0.375 INCHES ALL ENDS IN |
| Surface Treatment | NICKEL |
| Style Designator | STRAIGHT THRU |
| Thread Series Designator | NPT ALL ENDS |
| Material | COPPER ALLOY BODY |
| Connection Style | PLAIN, OPTIONAL END (PIPE) ALL ENDS |
| Maximum Operating Temp | 160.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Mounting Position | HORIZONTAL OR VERTICAL |
| Connection Type | THREADED INTERNAL PIPE ALL ENDS |
| Flow Control Device | DISK |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 3-4G | Eaton Corp Controls Div (USA) |
| 11241418-18 | Ballistic Missile Defense Systems Command (USA) |
NSN 4820-00-557-0113 is a Valve,restrictor Check, manufactured by Eaton Corp Controls Div, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-557-0113 has 2 cross-referenced part numbers: 3-4G (Eaton Corp Controls Div), 11241418-18 (Ballistic Missile Defense Systems Command).
There are 4 known substitutes for 4820-00-557-0113: 5315-00-010-3413, 7290-00-148-7068, 5330-00-291-9676 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for 3-4G: Thread Direction: RIGHT-HAND ALL ENDS; Valve Operation Method: AUTOMATIC; Media for Which Designed: WATER, FRESH SINGLE RESPONSE; Operating Pressure: 125.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS. 14 total characteristics are documented in the Federal Logistics Information System.