The Ring,lock,serrated, cataloged under National Stock Number 5365-00-243-4949, is classified within Federal Supply Class 5365 (Bushings, Rings, Shims, and Spacers) of the Hardware and Abrasives group. Government technical data includes 4 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5365-00-243-4949 |
| Item Name | Ring,lock,serrated |
| FSC / FSG | 5365 / 53 — Bushings, Rings, Shims, and Spacers |
| Status | ACTIVE |
| Overall Outside Diameter | 1.800 INCHES MAXIMUM IN |
| Inside Diameter | 1.500 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM AND CHROMATE |
| Material | STEEL COMP 1117 |
| 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 |
|---|---|
| RL8516-21 | C/1 Advisory reference — outside the item-of-supply concept Howmet Global Fastening Systems Inc Div Rosan / Eagle Products |
| RL8516-21 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5365-00-243-4949 is a Ring,lock,serrated, classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
Key specifications for 5365-00-243-4949: Overall Height: 0.080 INCHES NOMINAL IN; Overall Outside Diameter: 1.800 INCHES MAXIMUM IN; Inside Diameter: 1.500 INCHES NOMINAL IN; Surface Treatment: CADMIUM AND CHROMATE. 4 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.