The Diaphragm,valve,flat, cataloged under National Stock Number 4820-00-343-7243, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Naval Sea Systems Command. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 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: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-343-7243 |
| Primary Part Number | A0143S5103H12361H60C0FM2001 |
| Item Name | Diaphragm,valve,flat |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Material | RUBBER SYNTHETIC |
| Hole Diameter | 0.550 INCHES NOMINAL IN |
| Bolt Hole Quantity | 12 |
| Style Designator | FLAT |
| Outside Diameter | 13.188 INCHES NOMINAL IN |
| Bolt Circle Diameter | 12.250 INCHES NOMINAL IN |
| Material Thickness | 0.125 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| X28524PC7 | Spx Flow Us, Llc Dba Spx Valves & Controls (USA) |
| H3178688PC7 | Naval Sea Systems Command (USA) |
| H3178688PC7 | Naval Ship Systems Command (USA) |
| H3178689PC7 | Naval Ship Systems Command (USA) |
| X28515PC3 | Spx Flow Us, Llc Dba Spx Valves & Controls (USA) |
| H3178689PC7 | Naval Sea Systems Command (USA) |
| 108700 | Spx Flow Us, Llc Dba Spx Valves & Controls (USA) |
| 8700 | Spx Flow Us, Llc Dba Spx Valves & Controls (USA) |
| X28525PC7 | Spx Flow Us, Llc Dba Spx Valves & Controls (USA) |
| A0143S5103H12361H60C0FM2001 PRIMARY | Naval Sea Systems Command (USA) |
| A0143S5103H12361H60C0FM20011 | Naval Ship Systems Command (USA) |
NSN 4820-00-343-7243 is a Diaphragm,valve,flat, manufactured by Naval Sea Systems Command, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-343-7243 has 11 cross-referenced part numbers: X28524PC7 (Spx Flow Us, Llc Dba Spx Valves & Controls), H3178688PC7 (Naval Sea Systems Command), H3178688PC7 (Naval Ship Systems Command), H3178689PC7 (Naval Ship Systems Command), X28515PC3 (Spx Flow Us, Llc Dba Spx Valves & Controls) and 6 more.
There are 12 known substitutes for 4820-00-343-7243: 2520-00-039-6569, 3040-00-181-3026, 5365-00-239-7732 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for A0143S5103H12361H60C0FM2001: Material: RUBBER SYNTHETIC; Hole Diameter: 0.550 INCHES NOMINAL IN; Bolt Hole Quantity: 12; Style Designator: FLAT. 7 total characteristics are documented in the Federal Logistics Information System.