The Ring,wearing, cataloged under National Stock Number 4320-00-923-4872, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Circor Naval Solutions Llc Dba Warren Pumps. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-00-923-4872 |
| Primary Part Number | 658Z0152 |
| Item Name | Ring,wearing |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Circor Naval Solutions Llc Dba Warren Pumps |
| Status | ACTIVE |
| Flange Diameter | 5.746 INCHES MINIMUM AND 5.748 INCHES MAXIMUM IN |
| Corner Shape | SQUARE ALL CORNERS |
| Body Style | EXTERNAL FLANGE |
| Body Outside Diameter | 5.627 INCHES MINIMUM AND 5.628 INCHES MAXIMUM IN |
| Left Side Flange Thickness | 0.172 INCHES MINIMUM AND 0.204 INCHES MAXIMUM IN |
| Body Inside Diameter | 4.860 INCHES MINIMUM AND 4.862 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 658Z0152 PRIMARY | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
NSN 4320-00-923-4872 is a Ring,wearing, manufactured by Circor Naval Solutions Llc Dba Warren Pumps, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-00-923-4872 has 1 manufacturer part number on file: 658Z0152 (Circor Naval Solutions Llc Dba Warren Pumps).
Key specifications for 658Z0152: Flange Diameter: 5.746 INCHES MINIMUM AND 5.748 INCHES MAXIMUM IN; Corner Shape: SQUARE ALL CORNERS; Body Style: EXTERNAL FLANGE; Body Outside Diameter: 5.627 INCHES MINIMUM AND 5.628 INCHES MAXIMUM IN. 6 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.