The Ring,wearing, cataloged under National Stock Number 4320-00-947-4243, 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 14 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-00-947-4243 |
| Primary Part Number | 654Q0117 |
| Item Name | Ring,wearing |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Circor Naval Solutions Llc Dba Warren Pumps |
| Status | ACTIVE |
| Surface Finish | 125.0 MICROINCHES ALL SURFACES |
| Corner Shape | SQUARE ALL CORNERS |
| Distance Between Flanges | 0.375 INCHES MINIMUM AND 0.377 INCHES MAXIMUM IN |
| Body Style | EXTERNAL LOCKING FLANGE |
| Distance From End | 0.250 INCHES NOMINAL IN |
| Body Outside Diameter | 8.374 INCHES MINIMUM AND 8.375 INCHES MAXIMUM IN |
| End to Flange Distance | 0.563 INCHES MINIMUM AND 0.565 INCHES MAXIMUM IN |
| Left Side Flange Thickness | 0.188 INCHES NOMINAL IN |
| Distance Below Centerline | 0.062 INCHES NOMINAL IN |
| Body Inside Diameter | 7.735 INCHES MINIMUM AND 7.738 INCHES MAXIMUM IN |
| Right Side Flange Thickness | 0.188 INCHES NOMINAL IN |
| Smallest External Anchor Flange Radius | 4.125 INCHES NOMINAL IN |
| Material | COPPER ALLOY |
| Largest External Anchor Flange Radius | 4.375 INCHES NOMINAL 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 |
|---|---|
| 654Q0117 PRIMARY | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
| Reference | Meaning |
|---|---|
| 654Q0117C051A | 5/9 Secondary reference Circor Naval Solutions Llc Dba Warren Pumps |
NSN 4320-00-947-4243 is a Ring,wearing, manufactured by Circor Naval Solutions Llc Dba Warren Pumps, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-00-947-4243 has 1 manufacturer part number on file: 654Q0117 (Circor Naval Solutions Llc Dba Warren Pumps).
Key specifications for 654Q0117: Surface Finish: 125.0 MICROINCHES ALL SURFACES; Corner Shape: SQUARE ALL CORNERS; Distance Between Flanges: 0.375 INCHES MINIMUM AND 0.377 INCHES MAXIMUM IN; Body Style: EXTERNAL LOCKING FLANGE. 14 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.