The Ring,lock,serrated, cataloged under National Stock Number 5365-01-718-9565, is classified within Federal Supply Class 5365 (Bushings, Rings, Shims, and Spacers) of the Hardware and Abrasives group. The manufacturer of record is Sae International Dba Sae International. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5365-01-718-9565 |
| Primary Part Number | AS51997E102P |
| Item Name | Ring,lock,serrated |
| FSC / FSG | 5365 / 53 — Bushings, Rings, Shims, and Spacers |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Overall Outside Diameter | 0.778 INCHES MINIMUM AND 0.787 INCHES MAXIMUM IN |
| Inner Serration Quantity | 26 |
| Pilot Diameter | 0.724 INCHES MINIMUM AND 0.739 INCHES MAXIMUM IN |
| Inside Diameter | 0.571 INCHES MINIMUM AND 0.578 INCHES MAXIMUM IN |
| Side Outer Serrations Omitted for Close Edge Installation | TWO SIDES |
| Outer Serration Quantity | 16 |
| Material | IRON ALLOY 660 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| AS51997E102P PRIMARY | Sae International Dba Sae International (USA) |
NSN 5365-01-718-9565 is a Ring,lock,serrated, manufactured by Sae International Dba Sae International, classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
NSN 5365-01-718-9565 has 1 manufacturer part number on file: AS51997E102P (Sae International Dba Sae International).
Key specifications for AS51997E102P: Overall Height: 0.156 INCHES MINIMUM AND 0.171 INCHES MAXIMUM IN; Overall Outside Diameter: 0.778 INCHES MINIMUM AND 0.787 INCHES MAXIMUM IN; Inner Serration Quantity: 26; Pilot Diameter: 0.724 INCHES MINIMUM AND 0.739 INCHES MAXIMUM IN. 7 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.