The Ring,wearing, cataloged under National Stock Number 4320-00-218-4219, 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 22 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-00-218-4219 |
| Primary Part Number | C103A |
| Item Name | Ring,wearing |
| FSC / FSG | 4320 / 43 — No Item Name Available |
| Manufacturer | Circor Naval Solutions Llc Dba Warren Pumps |
| Status | ACTIVE |
| Left Side Flange Thickness | 0.125 INCHES NOMINAL IN |
| Body Inside Diameter | 2.750 INCHES NOMINAL IN |
| Distance From End | 0.188 INCHES NOMINAL IN |
| Body Style | EXTERNAL LOCKING FLANGE |
| Material | COPPER ALLOY |
| Corner Shape | SQUARE OUTSIDE LEFT CORNER |
| Material Document and Classification | QQ-C-390,ALLOY 910 FED SPEC SINGLE MATERIAL RESPONSE |
| Corner Shape | SQUARE OUTSIDE RIGHT CORNER |
| Surface Finish | 125.0 MICROINCHES ALL SURFACES |
| Largest External Anchor Flange Radius | 1.625 INCHES NOMINAL IN |
| Distance Between Flanges | 0.625 INCHES NOMINAL IN |
| Internal Flange Width | 0.375 INCHES NOMINAL IN |
| Distance Below Centerline | 0.062 INCHES NOMINAL IN |
| Center Flange Thickness | 0.500 INCHES NOMINAL IN |
| Groove Depth | 0.062 INCHES NOMINAL IN |
| Smallest External Anchor Flange Radius | 1.812 INCHES NOMINAL IN |
| Groove Width | 0.062 INCHES NOMINAL IN |
| Body Outside Diameter | 3.250 INCHES NOMINAL IN |
| Corner Shape | ROUND INSIDE RIGHT CORNER |
| Corner Shape | SQUARE INSIDE LEFT CORNER |
| Right Side Flange Thickness | 0.125 INCHES NOMINAL IN |
| End to Flange Distance | 0.188 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| H4320-218-4219 | Naval Inventory Control Point Mechanicsburg (USA) |
| C103A PRIMARY | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
| H4320-218-4219 | Naval Ship Systems Command (USA) |
NSN 4320-00-218-4219 is a Ring,wearing, manufactured by Circor Naval Solutions Llc Dba Warren Pumps, classified under FSC 4320 (No Item Name Available). Status: active.
NSN 4320-00-218-4219 has 3 cross-referenced part numbers: H4320-218-4219 (Naval Inventory Control Point Mechanicsburg), C103A (Circor Naval Solutions Llc Dba Warren Pumps), H4320-218-4219 (Naval Ship Systems Command).
There are 4 known substitutes for 4320-00-218-4219: 3110-00-142-4351, 5961-00-173-4843, 5310-01-238-5069 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for C103A: Left Side Flange Thickness: 0.125 INCHES NOMINAL IN; Body Inside Diameter: 2.750 INCHES NOMINAL IN; Distance From End: 0.188 INCHES NOMINAL IN; Body Style: EXTERNAL LOCKING FLANGE. 23 total characteristics are documented in the Federal Logistics Information System.