The Ring,wearing, cataloged under National Stock Number 4320-00-218-3230, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Curtiss-Wright Electro-Mechanical Corporation Div Epd. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 14 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-00-218-3230 |
| Primary Part Number | 357P |
| Item Name | Ring,wearing |
| FSC / FSG | 4320 / 43 — No Item Name Available |
| Manufacturer | Curtiss-Wright Electro-Mechanical Corporation Div Epd |
| Status | ACTIVE |
| Material Document and Classification | MIL-B-16541 MIL SPEC SINGLE MATERIAL RESPONSE |
| Surface Finish | 125.0 MICROINCHES RIGHT FACE |
| Internal Flange Width | 0.250 INCHES NOMINAL IN |
| Material | COPPER ALLOY |
| Mounting Hole Thread Series Designator | UNF |
| Surface Finish | 125.0 MICROINCHES LEFT FACE |
| Mounting Hole Nominal Thread Size | 0.190 INCHES IN |
| Corner Shape | SQUARE ALL CORNERS |
| Surface Finish | 125.0 MICROINCHES INSIDE |
| Surface Finish | 125.0 MICROINCHES OUTSIDE |
| Internal Flange Inside Diameter | 2.250 INCHES NOMINAL IN |
| Bolt Circle Diameter | 2.750 INCHES NOMINAL IN |
| Body Style | PLAIN W/INTERNAL FLANGE |
| Body Inside Diameter | 3.218 INCHES NOMINAL IN |
| Body Outside Diameter | 3.562 INCHES NOMINAL IN |
| Bolt Hole Quantity | 3 |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 357P PRIMARY | Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA) |
| D445-S4700-373 | Naval Sea Systems Command (USA) |
| SL5056PC82 PRIMARY | Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA) |
| 357P | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA) |
| 255058-16 | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA) |
| 255058-16 PRIMARY | Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA) |
| SMS-255058-16 PRIMARY | Salem Manufacturing & Sales Inc Div Salem Manufacturing and Sales Inc (USA) |
| SL5056PC82 | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA) |
| SL5058PC82 | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA) |
| SL5058PC82 PRIMARY | Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA) |
| 10475 | Rps-Fl, Inc. Dba Rps Inc (USA) |
| 3168671-L | Naval Ship Systems Command (USA) |
| 3168671-L | Naval Sea Systems Command (USA) |
| D445-S4700-373 | Naval Ship Systems Command (USA) |
NSN 4320-00-218-3230 is a Ring,wearing, manufactured by Curtiss-Wright Electro-Mechanical Corporation Div Epd, classified under FSC 4320 (No Item Name Available). Status: active.
NSN 4320-00-218-3230 has 14 cross-referenced part numbers: 357P (Curtiss-Wright Electro-Mechanical Corporation Div Epd), D445-S4700-373 (Naval Sea Systems Command), SL5056PC82 (Curtiss-Wright Electro-Mechanical Corporation Div Epd), 357P (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging), 255058-16 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging) and 9 more.
There are 6 known substitutes for 4320-00-218-3230: 6220-00-401-9905, 5310-00-490-4791, 1005-00-715-7597 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for 357P: Material Document and Classification: MIL-B-16541 MIL SPEC SINGLE MATERIAL RESPONSE; Surface Finish: 125.0 MICROINCHES RIGHT FACE; Internal Flange Width: 0.250 INCHES NOMINAL IN; Material: COPPER ALLOY. 17 total characteristics are documented in the Federal Logistics Information System.