The Ring,lock,serrated, cataloged under National Stock Number 5365-00-007-2118, is classified within Federal Supply Class 5365 (Bushings, Rings, Shims, and Spacers) of the Hardware and Abrasives group. Government technical data includes 5 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5365-00-007-2118 |
| Item Name | Ring,lock,serrated |
| FSC / FSG | 5365 / 53 — Bushings, Rings, Shims, and Spacers |
| Status | ACTIVE |
| Overall Outside Diameter | 0.452 INCHES NOMINAL IN |
| Pilot Diameter | 0.400 INCHES NOMINAL IN |
| Inside Diameter | 0.213 INCHES NOMINAL IN |
| Outer Serration Quantity | 24 |
| Material | STEEL CORROSION RESISTING |
| 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 |
|---|---|
| RLA27SM4(.213) | 3/2 Design control — primary reference U.S. Government activity |
| 867021-0001 | 7/2 Vendor item drawing reference Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp |
| 867021-0001 | 5/9 Secondary reference Litton Systems Inc. Div Navigation Systems Division |
| 867021-1 | 7/2 Vendor item drawing reference Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp |
| 867021-1 | 5/9 Secondary reference Litton Systems Inc. Div Navigation Systems Division |
NSN 5365-00-007-2118 is a Ring,lock,serrated, classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
Key specifications for 5365-00-007-2118: Overall Height: 0.062 INCHES NOMINAL IN; Overall Outside Diameter: 0.452 INCHES NOMINAL IN; Pilot Diameter: 0.400 INCHES NOMINAL IN; Inside Diameter: 0.213 INCHES NOMINAL IN. 5 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.