The Disk,valve, cataloged under National Stock Number 4820-01-139-1761, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Norriseal Norris Values Div Dba Dover Co. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 15 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4820-01-139-1761 |
| Primary Part Number | 310E175 |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Norriseal Norris Values Div Dba Dover Co |
| Status | CANCELLED |
| Temp Rating | 180.0 FAHRENHEIT NOMINAL DEGF |
| Pressure Rating | 200.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS |
| Outside Diameter | 4.000 INCHES NOMINAL IN |
| Style Designator | BUTTERFLY |
| Media for Which Designed | WATER |
| Material | NICKEL ALLOY |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 911-508 REF 2 4IN | Norriseal Norris Values Div Dba Dover Co (USA) |
| 910-002 4IN PIECE 6 | Norriseal Norris Values Div Dba Dover Co (USA) |
| 911-507 REF 2 PART 310E175 | Norriseal Norris Values Div Dba Dover Co (USA) |
| 310E175 PRIMARY | Norriseal Norris Values Div Dba Dover Co (USA) |
| 51310E175 | Norriseal Norris Values Div Dba Dover Co (USA) |
| 911-436 | Norriseal Norris Values Div Dba Dover Co (USA) |
| 911-508 PART 310E175 | Norriseal Norris Values Div Dba Dover Co (USA) |
| 911-436 REF 2 4IN | Norriseal Norris Values Div Dba Dover Co (USA) |
| 910-002 | Norriseal Norris Values Div Dba Dover Co (USA) |
| 10058 AND 10059 | Locum Tenes Enterprises Inc Dba Lte Inc (USA) |
| 4873-2 | Norriseal Norris Values Div Dba Dover Co (USA) |
| 10158/59 | California Precision Machine Inc (USA) |
| 911-511 PIECE 2 310E175 | Norriseal Norris Values Div Dba Dover Co (USA) |
| 911-507 | Norriseal Norris Values Div Dba Dover Co (USA) |
| 1014751 PRIMARY | Norriseal Norris Values Div Dba Dover Co (USA) |
NSN 4820-01-139-1761 is a Disk,valve, manufactured by Norriseal Norris Values Div Dba Dover Co, classified under FSC 4820 (No Item Name Available). Status: cancelled.
NSN 4820-01-139-1761 has 15 cross-referenced part numbers: 911-508 REF 2 4IN (Norriseal Norris Values Div Dba Dover Co), 910-002 4IN PIECE 6 (Norriseal Norris Values Div Dba Dover Co), 911-507 REF 2 PART 310E175 (Norriseal Norris Values Div Dba Dover Co), 310E175 (Norriseal Norris Values Div Dba Dover Co), 51310E175 (Norriseal Norris Values Div Dba Dover Co) and 10 more.
There are 12 known substitutes for 4820-01-139-1761: 2520-00-701-1072, 6680-01-104-4276, 4820-01-194-6926 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 310E175: Temp Rating: 180.0 FAHRENHEIT NOMINAL DEGF; Pressure Rating: 200.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS; Outside Diameter: 4.000 INCHES NOMINAL IN; Style Designator: BUTTERFLY. 6 total characteristics are documented in the Federal Logistics Information System.
NSN 4820-01-139-1761 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.