The Valve,check, cataloged under National Stock Number 4820-01-423-2029, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Motorola Semiconductor Products Division. Government technical data includes 15 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-423-2029 |
| Primary Part Number | 29-212 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Motorola Semiconductor Products Division |
| Status | ACTIVE |
| Mounting Position | HORIZONTAL OR VERTICAL |
| Material | COPPER ALLOY BODY |
| Thread Series Designator | NPT ALL ENDS |
| Operating Pressure | 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS |
| Media for Which Designed | WATER-OIL-GAS SECOND RESPONSE |
| Style Designator | STRAIGHT THRU |
| Media for Which Designed | STEAM FIRST RESPONSE |
| Material | COPPER ALLOY FLOW CONTROL DEVICE |
| Operating Pressure | 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS |
| Nominal Thread Size | 2.500 INCHES ALL ENDS IN |
| Connection Type | THREADED EXTERNAL PIPE ALL ENDS |
| Connection Style | PLAIN (PIPE) ALL ENDS |
| Valve Operation Method | AUTOMATIC |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Flow Control Device | DISK |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4820-01-423-2029 is a Valve,check, manufactured by Motorola Semiconductor Products Division, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-423-2029 has 2 cross-referenced part numbers: 29-212 (Motorola Semiconductor Products Division), 29212 (Kitz Valve International Corporation).
There are 6 known substitutes for 4820-01-423-2029: 5340-00-290-7231, 2530-00-521-4978, 6515-01-276-4611 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for 29-212: Mounting Position: HORIZONTAL OR VERTICAL; Material: COPPER ALLOY BODY; Thread Series Designator: NPT ALL ENDS; Operating Pressure: 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS. 17 total characteristics are documented in the Federal Logistics Information System.