The Ring,wearing, cataloged under National Stock Number 4320-00-555-3300, 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 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-00-555-3300 |
| Primary Part Number | C177 |
| Item Name | Ring,wearing |
| FSC / FSG | 4320 / 43 — No Item Name Available |
| Manufacturer | Circor Naval Solutions Llc Dba Warren Pumps |
| Status | ACTIVE |
| Groove Width | 0.125 INCHES NOMINAL IN |
| Right Side Flange Thickness | 0.250 INCHES NOMINAL IN |
| Material | COPPER ALLOY |
| Material Document and Classification | QQ-C-390 FED SPEC SINGLE MATERIAL RESPONSE |
| Body Inside Diameter | 9.735 INCHES MINIMUM AND 9.737 INCHES MAXIMUM IN |
| Groove Depth | 0.094 INCHES NOMINAL IN |
| Distance From End | 0.375 INCHES NOMINAL IN |
| Surface Finish | 125.0 MICROINCHES ALL SURFACES |
| Corner Shape | SQUARE ALL CORNERS |
| Body Outside Diameter | 10.499 INCHES MINIMUM AND 10.500 INCHES MAXIMUM IN |
| Largest External Anchor Flange Radius | 5.438 INCHES NOMINAL IN |
| Distance Between Flanges | 0.750 INCHES MINIMUM AND 0.753 INCHES MAXIMUM IN |
| Smallest External Anchor Flange Radius | 5.156 INCHES NOMINAL IN |
| Distance Below Centerline | 0.156 INCHES NOMINAL IN |
| Left Side Flange Thickness | 0.250 INCHES NOMINAL IN |
| Body Style | EXTERNAL LOCKING FLANGE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| C177 PRIMARY | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
| H3299831 | Naval Sea Systems Command (USA) |
| R529PC76 | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
| 55-22159-19C0S | Euramco Safety Inc (USA) |
NSN 4320-00-555-3300 is a Ring,wearing, manufactured by Circor Naval Solutions Llc Dba Warren Pumps, classified under FSC 4320 (No Item Name Available). Status: active.
NSN 4320-00-555-3300 has 4 cross-referenced part numbers: C177 (Circor Naval Solutions Llc Dba Warren Pumps), H3299831 (Naval Sea Systems Command), R529PC76 (Circor Naval Solutions Llc Dba Warren Pumps), 55-22159-19C0S (Euramco Safety Inc).
There are 8 known substitutes for 4320-00-555-3300: 3110-00-158-8624, 4320-00-555-3296, 4320-00-555-3298 and 5 more. Verify interchangeability with system specifications before substitution.
Key specifications for C177: Overall Length: 1.250 INCHES NOMINAL IN; Groove Width: 0.125 INCHES NOMINAL IN; Right Side Flange Thickness: 0.250 INCHES NOMINAL IN; Material: COPPER ALLOY. 17 total characteristics are documented in the Federal Logistics Information System.