The Diaphragm,valve,flat, cataloged under National Stock Number 4820-00-410-4531, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Zurn Industries Inc Wilkins Regulator Co Div. 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-410-4531 |
| Primary Part Number | 503-43 |
| Item Name | Diaphragm,valve,flat |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Zurn Industries Inc Wilkins Regulator Co Div |
| Status | ACTIVE |
| Center Hole Diameter | 0.375 INCHES NOMINAL IN |
| Outside Diameter | 3.000 INCHES NOMINAL IN |
| Style Designator | FLAT |
| Material Thickness | 0.065 INCHES NOMINAL IN |
| Material | RUBBER SYNTHETIC |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 503-43 PRIMARY | Zurn Industries Inc Wilkins Regulator Co Div (USA) |
NSN 4820-00-410-4531 is a Diaphragm,valve,flat, manufactured by Zurn Industries Inc Wilkins Regulator Co Div, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-410-4531 has 1 cross-referenced part number: 503-43 (Zurn Industries Inc Wilkins Regulator Co Div).
There are 6 known substitutes for 4820-00-410-4531: 5330-00-006-0709, 4810-00-587-6953, 3040-01-032-4355 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for 503-43: Center Hole Diameter: 0.375 INCHES NOMINAL IN; Outside Diameter: 3.000 INCHES NOMINAL IN; Style Designator: FLAT; Material Thickness: 0.065 INCHES NOMINAL IN. 5 total characteristics are documented in the Federal Logistics Information System.