The Disk,valve, cataloged under National Stock Number 4820-01-440-7073, 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 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-440-7073 |
| Primary Part Number | D-2503 |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Aalberts Integrated Piping Systems Americas, Inc. |
| Status | ACTIVE |
| Temp Rating | 33.0 FAHRENHEIT MINIMUM AND 180.0 FAHRENHEIT MAXIMUM DEGF |
| Material Document and Classification | ZZ-R-765, CLASS 3, GRADE 50 FED SPEC SINGLE MATERIAL RESPONSE |
| Pressure Rating | 175.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS |
| Material | RUBBER SILICONE CLASS Q |
| Media for Which Designed | WATER |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| D-2503 PRIMARY | Aalberts Integrated Piping Systems Americas, Inc. (USA) |
NSN 4820-01-440-7073 is a Disk,valve, manufactured by Aalberts Integrated Piping Systems Americas, Inc., classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-440-7073 has 1 cross-referenced part number: D-2503 (Aalberts Integrated Piping Systems Americas, Inc.).
There is 1 known substitute for 4820-01-440-7073: 3030-00-528-4260. Verify interchangeability with system specifications before substitution.
Key specifications for D-2503: Temp Rating: 33.0 FAHRENHEIT MINIMUM AND 180.0 FAHRENHEIT MAXIMUM DEGF; Material Document and Classification: ZZ-R-765, CLASS 3, GRADE 50 FED SPEC SINGLE MATERIAL RESPONSE; End Item Identification: 2350-01-405-9886;MARS CLASS AFS; Pressure Rating: 175.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS. 6 total characteristics are documented in the Federal Logistics Information System.