The Ring,wearing, cataloged under National Stock Number 4320-01-382-8762, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-382-8762 |
| Item Name | Ring,wearing |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Status | ACTIVE |
| Body Style | PLAIN W/INTERNAL FLANGE |
| Body Outside Diameter | 18.499 INCHES NOMINAL IN |
| Supplementary Features | TWO PRY SLOTSS 0.120IN.DP 180.0DEG APART IN |
| Material Document and Classification | ASTM B367 GR-C-5 ASSN STD SINGLE MATERIAL RESPONSE |
| Internal Flange Inside Diameter | 14.450 INCHES NOMINAL IN |
| Body Inside Diameter | 15.640 INCHES NOMINAL IN |
| Mounting Hole Nominal Thread Size | 0.380 INCHES IN |
| Bolt Hole Quantity | 4 |
| Bolt Circle Diameter | 17.000 INCHES NOMINAL IN |
| Mounting Hole Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| 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 |
|---|---|
| 12759D18 | D/9 Drawing number reference only U.S. Government activity |
| 12759D18-6 | C/1 Advisory reference — outside the item-of-supply concept Curtiss-Wright Electro-Mechanical Corporation Div Epd |
| 12759D18A | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 12759D18-6 | 3/9 Design control — primary reference U.S. Government activity |
NSN 4320-01-382-8762 is a Ring,wearing, classified under FSC 4320, Power and Hand Pumps. Status: active.
Key specifications for 4320-01-382-8762: Body Style: PLAIN W/INTERNAL FLANGE; Body Outside Diameter: 18.499 INCHES NOMINAL IN; Supplementary Features: TWO PRY SLOTSS 0.120IN.DP 180.0DEG APART IN; Material Document and Classification: ASTM B367 GR-C-5 ASSN STD SINGLE MATERIAL RESPONSE. 10 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.