The Ring,wearing, cataloged under National Stock Number 4320-00-845-9554, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. Government technical data includes 18 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-00-845-9554 |
| Item Name | Ring,wearing |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Status | ACTIVE |
| Center Flange Thickness | 0.239 INCHES NOMINAL IN |
| Flange Diameter | 7.702 INCHES NOMINAL IN |
| Corner Shape | SQUARE OUTSIDE RIGHT CORNER |
| Corner Shape | SQUARE OUTSIDE LEFT CORNER |
| Corner Shape | SQUARE INSIDE LEFT CORNER |
| Corner Shape | ROUND INSIDE RIGHT CORNER |
| Corner Radius | 0.219 INCHES NOMINAL INSIDE RIGHT CORNER IN |
| Internal Flange Outside Diameter | 5.859 INCHES NOMINAL IN |
| Body Style | INTERNAL AND EXTERNAL FLANGE |
| Internal Flange Lip Width | 0.375 INCHES NOMINAL IN |
| Body Outside Diameter | 7.250 INCHES NOMINAL IN |
| End to Flange Distance | 0.375 INCHES NOMINAL IN |
| Internal Flange Inside Diameter | 5.500 INCHES NOMINAL IN |
| Body Inside Diameter | 6.752 INCHES NOMINAL IN |
| Positioning Lug Length | 0.375 INCHES NOMINAL IN |
| Positioning Lug Width | 0.246 INCHES NOMINAL IN |
| Material | COPPER ALLOY |
| Internal Flange Width | 0.562 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 |
| Reference | Meaning |
|---|---|
| CA9368-9A | 5/9 Secondary reference U.S. Government activity |
| CA9368,PC.9 | 3/2 Design control — primary reference U.S. Government activity |
| CA9368-9A | 5/9 Secondary reference Rotary Products Inc |
NSN 4320-00-845-9554 is a Ring,wearing, classified under FSC 4320, Power and Hand Pumps. Status: active.
Key specifications for 4320-00-845-9554: Center Flange Thickness: 0.239 INCHES NOMINAL IN; Flange Diameter: 7.702 INCHES NOMINAL IN; Corner Shape: SQUARE OUTSIDE RIGHT CORNER; Corner Shape: SQUARE OUTSIDE LEFT CORNER. 18 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.