The Disk,valve, cataloged under National Stock Number 4820-01-122-3509, 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 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references 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 | 4820-01-122-3509 |
| Primary Part Number | 310B179 |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Norriseal Norris Values Div Dba Dover Co |
| Status | ACTIVE |
| Material | COPPER ALLOY |
| Outside Diameter | 7.750 INCHES NOMINAL IN |
| Style Designator | BUTTERFLY |
| Material Thickness | 0.750 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 910-233 | Norriseal Norris Values Div Dba Dover Co (USA) |
| 310B179 PRIMARY | Norriseal Norris Values Div Dba Dover Co (USA) |
| 56201K133 ITEM 02 | Norriseal Norris Values Div Dba Dover Co (USA) |
NSN 4820-01-122-3509 is a Disk,valve, manufactured by Norriseal Norris Values Div Dba Dover Co, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-122-3509 has 3 cross-referenced part numbers: 910-233 (Norriseal Norris Values Div Dba Dover Co), 310B179 (Norriseal Norris Values Div Dba Dover Co), 56201K133 ITEM 02 (Norriseal Norris Values Div Dba Dover Co).
There is 1 known substitute for 4820-01-122-3509: 5310-00-010-3025. Verify interchangeability with system specifications before substitution.
Key specifications for 310B179: Material: COPPER ALLOY; Outside Diameter: 7.750 INCHES NOMINAL IN; Style Designator: BUTTERFLY; Material Thickness: 0.750 INCHES NOMINAL IN. 4 total characteristics are documented in the Federal Logistics Information System.