The Valve,safety Relief, cataloged under National Stock Number 4820-01-326-7649, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Aalberts Integrated Piping Systems Americas, Inc.. Government technical data includes 20 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-326-7649 |
| Primary Part Number | 17-402-03 |
| Item Name | Valve,safety Relief |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Aalberts Integrated Piping Systems Americas, Inc. |
| Status | ACTIVE |
| Thread Direction | RIGHT-HAND FIRST END |
| Connection Style | PLAIN,OPTIONAL END(PIPE) SECOND END |
| Valve Operation Method | AUTOMATIC |
| Style Designator | ANGLE |
| Operating Pressure | 100.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Nominal Thread Size | 0.750 INCHES FIRST END IN |
| Opening Pressure Setting | 100.0 POUNDS PER SQUARE INCH LBS |
| Media for Which Designed | WATER, FRESH SINGLE RESPONSE |
| Material | BRONZE BODY |
| Thread Series Designator | NPT SECOND END |
| Nominal Thread Size | 0.750 INCHES SECOND END IN |
| Connection Type | THREADED INTERNAL PIPE SECOND END |
| Bonnet Type | INSIDE SCREW |
| Connection Style | PLAIN (PIPE) FIRST END |
| Flow Control Device | DISK |
| Connection Type | THREADED EXTERNAL PIPE FIRST END |
| Disk Loading Method | SPRING |
| Bonnet Attachment Method | THREADED |
| Thread Direction | RIGHT-HAND SECOND END |
| Thread Series Designator | NPT FIRST END |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 17-402-03 PRIMARY | Aalberts Integrated Piping Systems Americas, Inc. (USA) |
| 17-402 | Aalberts Integrated Piping Systems Americas, Inc. (USA) |
| 95001500 ITEM 8 | Knight Equipment Corp (USA) |
NSN 4820-01-326-7649 is a Valve,safety Relief, manufactured by Aalberts Integrated Piping Systems Americas, Inc., classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-326-7649 has 3 cross-referenced part numbers: 17-402-03 (Aalberts Integrated Piping Systems Americas, Inc.), 17-402 (Aalberts Integrated Piping Systems Americas, Inc.), 95001500 ITEM 8 (Knight Equipment Corp).
There are 5 known substitutes for 4820-01-326-7649: 5330-00-068-8192, 4730-00-723-3359, 5330-01-053-1784 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for 17-402-03: Thread Direction: RIGHT-HAND FIRST END; Connection Style: PLAIN,OPTIONAL END(PIPE) SECOND END; Valve Operation Method: AUTOMATIC; Style Designator: ANGLE. 20 total characteristics are documented in the Federal Logistics Information System.