The Ring,wearing, cataloged under National Stock Number 4320-00-398-9389, 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 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 12 commercial cross-references from 1 manufacturer, 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 | 4320-00-398-9389 |
| Primary Part Number | BS712PC4US |
| Item Name | Ring,wearing |
| FSC / FSG | 4320 / 43 — No Item Name Available |
| Manufacturer | Circor Naval Solutions Llc Dba Warren Pumps |
| Status | ACTIVE |
| Body Inside Diameter | 3.715 INCHES NOMINAL IN |
| Left Side Flange Thickness | 0.190 INCHES NOMINAL IN |
| Corner Shape | SQUARE ALL CORNERS |
| Internal Flange Width | 0.335 INCHES NOMINAL IN |
| Internal Flange Inside Diameter | 2.980 INCHES NOMINAL IN |
| Body Outside Diameter | 4.250 INCHES NOMINAL IN |
| Material | COPPER ALLOY |
| Bolt Circle Diameter | 4.634 INCHES NOMINAL IN |
| Unthreaded Mounting Hole Diameter | 0.205 INCHES NOMINAL IN |
| Bolt Hole Quantity | 4 |
| Flange Diameter | 5.095 INCHES NOMINAL IN |
| Body Style | INTERNAL AND EXTERNAL FLANGE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| BS712PC4US PRIMARY | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
| BS711PC4US PRIMARY | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
| BS4-1857PC4 | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
| BS706PC4US | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
| BS4-1858PC4 PRIMARY | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
| BS1400PC4US | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
| BS716PC4US PRIMARY | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
| C5A PRIMARY | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
| BS711-4US PRIMARY | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
| BS1401PC4US | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
| BS537PC4US | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
| BS731PC4US PRIMARY | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
NSN 4320-00-398-9389 is a Ring,wearing, manufactured by Circor Naval Solutions Llc Dba Warren Pumps, classified under FSC 4320 (No Item Name Available). Status: active.
NSN 4320-00-398-9389 has 12 cross-referenced part numbers: BS712PC4US (Circor Naval Solutions Llc Dba Warren Pumps), BS711PC4US (Circor Naval Solutions Llc Dba Warren Pumps), BS4-1857PC4 (Circor Naval Solutions Llc Dba Warren Pumps), BS706PC4US (Circor Naval Solutions Llc Dba Warren Pumps), BS4-1858PC4 (Circor Naval Solutions Llc Dba Warren Pumps) and 7 more.
There are 12 known substitutes for 4320-00-398-9389: 3405-00-051-1664, 6850-00-155-6444, 6850-00-200-3782 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for BS712PC4US: Body Inside Diameter: 3.715 INCHES NOMINAL IN; Left Side Flange Thickness: 0.190 INCHES NOMINAL IN; Special Features: FURNISHED WITH FOUR SCREWS; Corner Shape: SQUARE ALL CORNERS. 14 total characteristics are documented in the Federal Logistics Information System.