The Valve,check, cataloged under National Stock Number 4820-01-151-4440, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-151-4440 |
| Primary Part Number | 1358AS124-1 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| Status | ACTIVE |
| Valve Operation Method | AUTOMATIC |
| Connection Type | THREADED INTERNAL PIPE ALL ENDS |
| Connection Style | PLAIN, OPTIONAL END (PIPE) ALL ENDS |
| Maximum Operating Temp | 300.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Thread Series Designator | NPT ALL ENDS |
| Style Designator | STRAIGHT THRU |
| Material | COPPER ALLOY BODY |
| Operating Pressure | 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS |
| Nominal Thread Size | 0.500 INCHES ALL ENDS IN |
| Media for Which Designed | WATER-OIL-GAS SECOND RESPONSE |
| Operating Pressure | 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS |
| Mounting Position | HORIZONTAL OR VERTICAL |
| Flow Control Device | DISK |
| Material | PLASTIC CELLULOSE ACETATE FLOW CONTROL DEVICE |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Media for Which Designed | STEAM FIRST RESPONSE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 233-1/2 | Lunkenheimer Co (USA) |
| FIG 233 1/2 IN | Lunkenheimer Co (USA) |
| 1358AS124-1 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| 1358AS124 | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| FIG.233 | Lunkenheimer Co (USA) |
NSN 4820-01-151-4440 is a Valve,check, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-151-4440 has 5 cross-referenced part numbers: 233-1/2 (Lunkenheimer Co), FIG 233 1/2 IN (Lunkenheimer Co), 1358AS124-1 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), 1358AS124 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), FIG.233 (Lunkenheimer Co).
There are 9 known substitutes for 4820-01-151-4440: 4820-00-032-7431, 3460-00-355-5619, 5130-00-595-8182 and 6 more. Verify interchangeability with system specifications before substitution.
Key specifications for 1358AS124-1: Valve Operation Method: AUTOMATIC; Connection Type: THREADED INTERNAL PIPE ALL ENDS; Connection Style: PLAIN, OPTIONAL END (PIPE) ALL ENDS; Maximum Operating Temp: 300.0 FAHRENHEIT SINGLE RESPONSE DEGF. 16 total characteristics are documented in the Federal Logistics Information System.