The Ring,wearing, cataloged under National Stock Number 4320-00-555-3297, 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 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-00-555-3297 |
| Primary Part Number | C178 |
| 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 | 10.499 INCHES MINIMUM AND 10.500 INCHES MAXIMUM IN |
| Corner Shape | SQUARE OUTSIDE LEFT CORNER |
| Internal Flange Width | 0.531 INCHES NOMINAL IN |
| Body Inside Diameter | 9.375 INCHES MINIMUM AND 9.737 INCHES MAXIMUM IN |
| Right Side Flange Thickness | 0.250 INCHES NOMINAL IN |
| Corner Radius | 0.250 INCHES NOMINAL INSIDE RIGHT CORNER IN |
| Corner Shape | SQUARE OUTSIDE RIGHT CORNER |
| Surface Finish | 125.0 MICROINCHES ALL SURFACES |
| Left Side Flange Thickness | 0.250 INCHES NOMINAL IN |
| Distance Between Flanges | 0.625 INCHES NOMINAL IN |
| Largest External Anchor Flange Radius | 5.438 INCHES NOMINAL IN |
| Corner Shape | ROUND INSIDE RIGHT CORNER |
| Internal Flange Inside Diameter | 8.625 INCHES NOMINAL IN |
| Smallest External Anchor Flange Radius | 5.250 INCHES NOMINAL IN |
| Internal Flange Outside Diameter | 9.140 INCHES NOMINAL IN |
| Distance Below Centerline | 0.094 INCHES NOMINAL IN |
| Material | COPPER ALLOY |
| Corner Shape | SQUARE INSIDE LEFT CORNER |
| Distance From End | 0.625 INCHES NOMINAL IN |
| Body Style | INTERNAL FLANGE W/EXTERNAL LOCKING FLANGE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4320-00-555-3297 is a Ring,wearing, manufactured by Circor Naval Solutions Llc Dba Warren Pumps, classified under FSC 4320 (No Item Name Available). Status: active.
NSN 4320-00-555-3297 has 2 cross-referenced part numbers: C178 (Circor Naval Solutions Llc Dba Warren Pumps), R529PC77 (Circor Naval Solutions Llc Dba Warren Pumps).
There are 3 known substitutes for 4320-00-555-3297: 4820-00-652-7198, 5905-00-705-9910, 5340-01-098-6921. Verify interchangeability with system specifications before substitution.
Key specifications for C178: Body Outside Diameter: 10.499 INCHES MINIMUM AND 10.500 INCHES MAXIMUM IN; Corner Shape: SQUARE OUTSIDE LEFT CORNER; Internal Flange Width: 0.531 INCHES NOMINAL IN; Body Inside Diameter: 9.375 INCHES MINIMUM AND 9.737 INCHES MAXIMUM IN. 21 total characteristics are documented in the Federal Logistics Information System.