The Ring,wearing, cataloged under National Stock Number 4320-01-443-7612, 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 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4320-01-443-7612 |
| Primary Part Number | 0654C0590S902A |
| Item Name | Ring,wearing |
| FSC / FSG | 4320 / 43 — No Item Name Available |
| Manufacturer | Circor Naval Solutions Llc Dba Warren Pumps |
| Status | CANCELLED |
| Body Outside Diameter | 8.394 INCHES MAXIMUM IN |
| Body Inside Diameter | 7.835 INCHES NOMINAL IN |
| Body Style | PLAIN |
| Chamfer Angle | 45.0 DEGREES NOMINAL ALL CORNERS |
| Corner Shape | CHAMFERED ALL CORNERS |
| Material | PLASTIC |
| Chamfer Length | 0.030 INCHES NOMINAL ALL CORNERS IN |
| Material Document and Classification | NAVSEA DWG 803-7226047 MIL STD SINGLE MATERIAL RESPONSE |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 0654C0590S902A PRIMARY | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
| 55-22121-18 | Euramco Safety Inc (USA) |
| 0654C0590S901A | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
| 55-22121-18US | Euramco Safety Inc (USA) |
| 38KL | Frederick Custom Machining Inc (USA) |
NSN 4320-01-443-7612 is a Ring,wearing, manufactured by Circor Naval Solutions Llc Dba Warren Pumps, classified under FSC 4320 (No Item Name Available). Status: cancelled.
NSN 4320-01-443-7612 has 5 cross-referenced part numbers: 0654C0590S902A (Circor Naval Solutions Llc Dba Warren Pumps), 55-22121-18 (Euramco Safety Inc), 0654C0590S901A (Circor Naval Solutions Llc Dba Warren Pumps), 55-22121-18US (Euramco Safety Inc), 38KL (Frederick Custom Machining Inc).
There is 1 known substitute for 4320-01-443-7612: 3110-00-554-3306. Verify interchangeability with system specifications before substitution.
Key specifications for 0654C0590S902A: Body Outside Diameter: 8.394 INCHES MAXIMUM IN; Overall Length: 0.690 INCHES NOMINAL IN; Body Inside Diameter: 7.835 INCHES NOMINAL IN; Body Style: PLAIN. 10 total characteristics are documented in the Federal Logistics Information System.
NSN 4320-01-443-7612 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.