The Ring,wearing, cataloged under National Stock Number 4320-00-218-4454, 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 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 2 manufacturers, 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 | 4320-00-218-4454 |
| Primary Part Number | R91PC8 |
| Item Name | Ring,wearing |
| FSC / FSG | 4320 / 43 — No Item Name Available |
| Manufacturer | Circor Naval Solutions Llc Dba Warren Pumps |
| Status | ACTIVE |
| Body Outside Diameter | 4.122 INCHES MINIMUM AND 4.125 INCHES MAXIMUM IN |
| Internal Flange Inside Diameter | 3.375 INCHES MINIMUM AND 3.377 INCHES MAXIMUM IN |
| Corner Shape | SQUARE ALL CORNERS |
| Material | COPPER ALLOY |
| Body Inside Diameter | 3.625 INCHES MINIMUM AND 3.628 INCHES MAXIMUM IN |
| Body Style | PLAIN W/INTERNAL FLANGE |
| Internal Flange Width | 0.375 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| B64B | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
| H3111165 | Naval Ship Systems Command (USA) |
| R91PC8 PRIMARY | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
| B64A PRIMARY | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
| R93PC8-47 | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
| R115PC8-47 | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
NSN 4320-00-218-4454 is a Ring,wearing, manufactured by Circor Naval Solutions Llc Dba Warren Pumps, classified under FSC 4320 (No Item Name Available). Status: active.
NSN 4320-00-218-4454 has 6 cross-referenced part numbers: B64B (Circor Naval Solutions Llc Dba Warren Pumps), H3111165 (Naval Ship Systems Command), R91PC8 (Circor Naval Solutions Llc Dba Warren Pumps), B64A (Circor Naval Solutions Llc Dba Warren Pumps), R93PC8-47 (Circor Naval Solutions Llc Dba Warren Pumps) and 1 more.
There are 2 known substitutes for 4320-00-218-4454: 4730-01-233-4610, 4730-01-313-9447. Verify interchangeability with system specifications before substitution.
Key specifications for R91PC8: Body Outside Diameter: 4.122 INCHES MINIMUM AND 4.125 INCHES MAXIMUM IN; Internal Flange Inside Diameter: 3.375 INCHES MINIMUM AND 3.377 INCHES MAXIMUM IN; Corner Shape: SQUARE ALL CORNERS; Material: COPPER ALLOY. 8 total characteristics are documented in the Federal Logistics Information System.