The Ring,wearing, cataloged under National Stock Number 4320-00-218-4234, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Circor Naval Solutions Llc Dba Warren Pumps. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-00-218-4234 |
| Primary Part Number | C40A |
| Item Name | Ring,wearing |
| FSC / FSG | 4320 / 43 — No Item Name Available |
| Manufacturer | Circor Naval Solutions Llc Dba Warren Pumps |
| Status | ACTIVE |
| Material | COPPER ALLOY |
| Body Outside Diameter | 3.875 INCHES NOMINAL IN |
| Internal Flange Outside Diameter | 3.000 INCHES NOMINAL IN |
| Flange Diameter | 4.625 INCHES NOMINAL IN |
| Hole Diameter | 0.375 INCHES NOMINAL IN |
| Body Inside Diameter | 2.562 INCHES NOMINAL IN |
| Counterbore Depth | 0.375 INCHES NOMINAL IN |
| Unthreaded Mounting Hole Diameter | 0.188 INCHES NOMINAL IN |
| Internal Flange Lip Width | 0.156 INCHES NOMINAL IN |
| Counterbore Diameter | 3.438 INCHES NOMINAL IN |
| Hole Depth | 0.188 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| C40A PRIMARY | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
| BS5-1524PC3-20 | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
NSN 4320-00-218-4234 is a Ring,wearing, manufactured by Circor Naval Solutions Llc Dba Warren Pumps, classified under FSC 4320 (No Item Name Available). Status: active.
NSN 4320-00-218-4234 has 2 cross-referenced part numbers: C40A (Circor Naval Solutions Llc Dba Warren Pumps), BS5-1524PC3-20 (Circor Naval Solutions Llc Dba Warren Pumps).
There are 2 known substitutes for 4320-00-218-4234: 2920-00-397-3180, 5961-00-788-9662. Verify interchangeability with system specifications before substitution.
Key specifications for C40A: Material: COPPER ALLOY; Body Outside Diameter: 3.875 INCHES NOMINAL IN; Internal Flange Outside Diameter: 3.000 INCHES NOMINAL IN; Flange Diameter: 4.625 INCHES NOMINAL IN. 13 total characteristics are documented in the Federal Logistics Information System.