The Ring,wearing, cataloged under National Stock Number 4320-00-218-3388, 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 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 13 commercial cross-references from 3 manufacturers, 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 | 4320-00-218-3388 |
| Primary Part Number | 311P |
| Item Name | Ring,wearing |
| FSC / FSG | 4320 / 43 — No Item Name Available |
| Manufacturer | Curtiss-Wright Electro-Mechanical Corporation Div Epd |
| Status | ACTIVE |
| Right Side Flange Thickness | 0.469 INCHES NOMINAL IN |
| Distance Below Centerline | 0.250 INCHES NOMINAL IN |
| Body Outside Diameter | 10.750 INCHES NOMINAL IN |
| End to Flange Distance | 1.875 INCHES NOMINAL IN |
| Internal Flange Inside Diameter | 5.125 INCHES NOMINAL IN |
| Internal Flange Lip Width | 1.016 INCHES NOMINAL IN |
| Corner Shape | ROUND INSIDE RIGHT CORNER |
| Corner Shape | ROUND OUTSIDE RIGHT CORNER |
| Corner Shape | SQUARE OUTSIDE LEFT CORNER |
| Corner Shape | SQUARE INSIDE LEFT CORNER |
| Material | COPPER ALLOY |
| Internal Flange Outside Diameter | 8.125 INCHES NOMINAL IN |
| Smallest External Anchor Flange Radius | 5.375 INCHES NOMINAL IN |
| Distance Between Flanges | 0.609 INCHES NOMINAL IN |
| Largest External Anchor Flange Radius | 5.794 INCHES NOMINAL IN |
| Distance From End | 1.375 INCHES NOMINAL IN |
| Left Side Flange Thickness | 0.312 INCHES NOMINAL IN |
| Internal Flange Width | 1.187 INCHES NOMINAL IN |
| Body Inside Diameter | 9.500 INCHES NOMINAL IN |
| Body Style | INTERNAL FLANGE W/EXTERNAL LOCKING FLANGE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| RY96054 | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA) |
| SL5077PC73 | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA) |
| SL5079PC73 | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA) |
| 311P | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA) |
| SL5562PC73 | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA) |
| SL6780PC73 | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA) |
| RY96054 | Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA) |
| 255079-13 | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA) |
| SL7988PC42 | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA) |
| SL5560PC73 | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA) |
| 10183 | Rps-Fl, Inc. Dba Rps Inc (USA) |
| 311P PRIMARY | Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA) |
| SL6782PC73 | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA) |
NSN 4320-00-218-3388 is a Ring,wearing, manufactured by Curtiss-Wright Electro-Mechanical Corporation Div Epd, classified under FSC 4320 (No Item Name Available). Status: active.
NSN 4320-00-218-3388 has 13 cross-referenced part numbers: RY96054 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging), SL5077PC73 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging), SL5079PC73 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging), 311P (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging), SL5562PC73 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging) and 8 more.
There are 12 known substitutes for 4320-00-218-3388: 3010-00-141-8853, 5915-00-156-6894, 5110-00-161-6912 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 311P: Right Side Flange Thickness: 0.469 INCHES NOMINAL IN; Distance Below Centerline: 0.250 INCHES NOMINAL IN; Body Outside Diameter: 10.750 INCHES NOMINAL IN; End to Flange Distance: 1.875 INCHES NOMINAL IN. 22 total characteristics are documented in the Federal Logistics Information System.