The Ring,wearing, cataloged under National Stock Number 4320-00-555-3299, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Naval Ship Systems Command. Government technical data includes 22 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-00-555-3299 |
| Primary Part Number | 3299831PC78 |
| Item Name | Ring,wearing |
| FSC / FSG | 4320 / 43 — No Item Name Available |
| Manufacturer | Naval Ship Systems Command |
| Status | ACTIVE |
| Corner Shape | SQUARE OUTSIDE LEFT CORNER |
| Smallest External Anchor Flange Radius | 3.906 INCHES NOMINAL IN |
| End to Flange Distance | 0.375 INCHES NOMINAL IN |
| Corner Shape | SQUARE INSIDE LEFT CORNER |
| Right Side Flange Thickness | 0.312 INCHES NOMINAL IN |
| Largest External Anchor Flange Radius | 4.250 INCHES NOMINAL IN |
| Internal Flange Width | 0.531 INCHES NOMINAL IN |
| Distance Between Flanges | 0.750 INCHES NOMINAL IN |
| Groove Width | 0.125 INCHES NOMINAL IN |
| Body Outside Diameter | 8.124 INCHES MINIMUM AND 8.125 INCHES MAXIMUM IN |
| Groove Depth | 0.156 INCHES NOMINAL IN |
| Body Inside Diameter | 7.360 INCHES MINIMUM AND 7.362 INCHES MAXIMUM IN |
| Distance Below Centerline | 0.156 INCHES NOMINAL IN |
| Corner Shape | ROUND INSIDE RIGHT CORNER |
| Material Document and Classification | QQ-C-390 FED SPEC SINGLE MATERIAL RESPONSE |
| Body Style | EXTERNAL LOCKING FLANGE |
| Surface Finish | 125.0 MICROINCHES ALL SURFACES |
| Corner Shape | SQUARE OUTSIDE RIGHT CORNER |
| Center Flange Thickness | 0.375 INCHES NOMINAL IN |
| Corner Radius | 0.375 INCHES NOMINAL INSIDE RIGHT CORNER IN |
| Material | COPPER ALLOY |
| Left Side Flange Thickness | 0.188 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 55-22159-18AUS | Euramco Safety Inc (USA) |
| H3299831 | Naval Ship Systems Command (USA) |
| R529PC78 | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
| 3299831PC78 PRIMARY | Naval Ship Systems Command (USA) |
| C179 PRIMARY | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
NSN 4320-00-555-3299 is a Ring,wearing, manufactured by Naval Ship Systems Command, classified under FSC 4320 (No Item Name Available). Status: active.
NSN 4320-00-555-3299 has 5 cross-referenced part numbers: 55-22159-18AUS (Euramco Safety Inc), H3299831 (Naval Ship Systems Command), R529PC78 (Circor Naval Solutions Llc Dba Warren Pumps), 3299831PC78 (Naval Ship Systems Command), C179 (Circor Naval Solutions Llc Dba Warren Pumps).
There are 6 known substitutes for 4320-00-555-3299: 3120-00-424-6940, 4320-00-555-3296, 4320-00-555-3298 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for 3299831PC78: Corner Shape: SQUARE OUTSIDE LEFT CORNER; Smallest External Anchor Flange Radius: 3.906 INCHES NOMINAL IN; End to Flange Distance: 0.375 INCHES NOMINAL IN; Corner Shape: SQUARE INSIDE LEFT CORNER. 23 total characteristics are documented in the Federal Logistics Information System.