The Ring,wearing, cataloged under National Stock Number 4320-01-382-8719, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. Government technical data includes 13 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4320-01-382-8719 |
| Item Name | Ring,wearing |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Status | ACTIVE |
| Flange Diameter | 15.250 INCHES NOMINAL IN |
| Corner Shape | CHAMFERED OUTSIDE RIGHT CORNER |
| Body Style | INTERNAL AND EXTERNAL FLANGE |
| Body Outside Diameter | 14.060 INCHES NOMINAL IN |
| Unthreaded Mounting Hole Diameter | 0.125 INCHES NOMINAL IN |
| Material Document and Classification | ASTM B367 GR-C-5 ASSN STD SINGLE MATERIAL RESPONSE |
| Internal Flange Inside Diameter | 12.750 INCHES NOMINAL IN |
| Left Side Flange Thickness | 0.560 INCHES NOMINAL IN |
| Body Inside Diameter | 12.995 INCHES NOMINAL IN |
| Bolt Hole Quantity | 12 |
| Bolt Circle Diameter | 14.562 INCHES NOMINAL IN |
| Chamfer Angle | 45.0 DEGREES NOMINAL OUTSIDE RIGHT CORNER |
| Internal Flange Width | 0.060 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 |
|---|---|
| 12756D18-7 | 3/9 Design control — primary reference U.S. Government activity |
| 12756D18-7 | C/1 Advisory reference — outside the item-of-supply concept Curtiss-Wright Electro-Mechanical Corporation Div Epd |
| 12756D18 | D/9 Drawing number reference only U.S. Government activity |
NSN 4320-01-382-8719 is a Ring,wearing, classified under FSC 4320, Power and Hand Pumps. Status: active.
Key specifications for 4320-01-382-8719: Flange Diameter: 15.250 INCHES NOMINAL IN; Corner Shape: CHAMFERED OUTSIDE RIGHT CORNER; Body Style: INTERNAL AND EXTERNAL FLANGE; Body Outside Diameter: 14.060 INCHES NOMINAL IN. 13 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.