The Ring,casing, cataloged under National Stock Number 5365-01-503-8258, is classified within Federal Supply Class 5365 (Bushings, Rings, Shims, and Spacers) of the Hardware and Abrasives group. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5365-01-503-8258 |
| Item Name | Ring,casing |
| FSC / FSG | 5365 / 53 — Bushings, Rings, Shims, and Spacers |
| Status | ACTIVE |
| Overall Diameter | 4.943 INCHES NOMINAL IN |
| Material | NICKEL ALLOY |
| 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 |
|---|---|
| 15469N18-6 | 5/9 Secondary reference U.S. Government activity |
| PL-15469N18-6 | C/1 Advisory reference — outside the item-of-supply concept Curtiss-Wright Electro-Mechanical Corporation Div Epd |
| 15469N18-6 | C/1 Advisory reference — outside the item-of-supply concept Curtiss-Wright Electro-Mechanical Corporation Div Epd |
| 434D6AX1 | 3/9 Design control — primary reference U.S. Government activity |
| PL-15469N18-6 | 5/9 Secondary reference U.S. Government activity |
| 434D6AX1 | C/1 Advisory reference — outside the item-of-supply concept Curtiss-Wright Electro-Mechanical Corporation Div Epd |
NSN 5365-01-503-8258 is a Ring,casing, classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
Key specifications for 5365-01-503-8258: Overall Diameter: 4.943 INCHES NOMINAL IN; Special Features: 4.344" ID; Part Name Assigned by Controlling Agency: RING, CASING; End Item Identification: PANEL, SEAWATER, EDG. 2 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.