The Ring,wearing, cataloged under National Stock Number 4320-01-278-8683, 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 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 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 | 4320-01-278-8683 |
| Primary Part Number | C227 |
| Item Name | Ring,wearing |
| FSC / FSG | 4320 / 43 — No Item Name Available |
| Manufacturer | Circor Naval Solutions Llc Dba Warren Pumps |
| Status | ACTIVE |
| Body Style | GROOVED W/INTERNAL AND EXTERNAL FLANGE |
| Groove Width | 0.062 INCHES NOMINAL IN |
| Corner Shape | SQUARE ALL CORNERS |
| Surface Finish | 125.0 MICROINCHES INSIDE |
| Distance From End to Groove Center | 0.375 INCHES NOMINAL IN |
| Smallest External Anchor Flange Radius | 3.750 INCHES NOMINAL IN |
| Internal Flange Width | 0.250 INCHES NOMINAL IN |
| Largest External Anchor Flange Radius | 3.969 INCHES NOMINAL IN |
| Material | COPPER ALLOY |
| Internal Flange Inside Diameter | 3.500 INCHES NOMINAL IN |
| Groove Depth | 0.031 INCHES NOMINAL IN |
| End to Flange Distance | 0.250 INCHES NOMINAL IN |
| Distance Below Centerline | 0.062 INCHES NOMINAL IN |
| Center Flange Thickness | 0.750 INCHES NOMINAL IN |
| Body Inside Diameter | 7.000 INCHES NOMINAL IN |
| Body Outside Diameter | 7.685 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4320-01-278-8683 is a Ring,wearing, manufactured by Circor Naval Solutions Llc Dba Warren Pumps, classified under FSC 4320 (No Item Name Available). Status: active.
NSN 4320-01-278-8683 has 3 cross-referenced part numbers: C227 (Circor Naval Solutions Llc Dba Warren Pumps), E-18076 (Circor Naval Solutions Llc Dba Warren Pumps), 11221 (Rps-Fl, Inc. Dba Rps Inc).
There are 12 known substitutes for 4320-01-278-8683: 2920-00-133-3291, 3040-00-194-2442, 5136-00-228-0995 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for C227: Body Style: GROOVED W/INTERNAL AND EXTERNAL FLANGE; Groove Width: 0.062 INCHES NOMINAL IN; Corner Shape: SQUARE ALL CORNERS; Special Features: 2 EQUAL GROOVES;7.969 IN. FLANGE DIA OPPOSITE LOCKING END IN. 18 total characteristics are documented in the Federal Logistics Information System.