The Ring,wearing, cataloged under National Stock Number 4320-00-431-9311, 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 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-00-431-9311 |
| Primary Part Number | 654Z0264 |
| 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 | 5.312 INCHES NOMINAL IN |
| Corner Shape | SQUARE ALL CORNERS |
| Body Style | EXTERNAL FLANGE |
| Unthreaded Mounting Hole Diameter | 0.250 INCHES NOMINAL IN |
| Bolt Circle Diameter | 5.750 INCHES NOMINAL IN |
| Left Side Flange Thickness | 0.265 INCHES NOMINAL IN |
| Flange Diameter | 6.625 INCHES NOMINAL IN |
| Bolt Hole Quantity | 3 |
| Material | STEEL |
| Body Inside Diameter | 4.500 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 999R0339PC6 | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
| 654Z0264 PRIMARY | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
| CS4320-SR-0729 | Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) (USA) |
| 999R0339 | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
NSN 4320-00-431-9311 is a Ring,wearing, manufactured by Circor Naval Solutions Llc Dba Warren Pumps, classified under FSC 4320 (No Item Name Available). Status: active.
NSN 4320-00-431-9311 has 4 cross-referenced part numbers: 999R0339PC6 (Circor Naval Solutions Llc Dba Warren Pumps), 654Z0264 (Circor Naval Solutions Llc Dba Warren Pumps), CS4320-SR-0729 (Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)), 999R0339 (Circor Naval Solutions Llc Dba Warren Pumps).
There is 1 known substitute for 4320-00-431-9311: 4320-01-269-5620. Verify interchangeability with system specifications before substitution.
Key specifications for 654Z0264: Body Outside Diameter: 5.312 INCHES NOMINAL IN; Corner Shape: SQUARE ALL CORNERS; Body Style: EXTERNAL FLANGE; Unthreaded Mounting Hole Diameter: 0.250 INCHES NOMINAL IN. 11 total characteristics are documented in the Federal Logistics Information System.