The Ring,lock,serrated, cataloged under National Stock Number 5365-00-596-5597, is classified within Federal Supply Class 5365 (Bushings, Rings, Shims, and Spacers) of the Hardware and Abrasives group. The manufacturer of record is Westinghouse Electric Corp. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5365-00-596-5597 |
| Primary Part Number | 112T006 |
| Item Name | Ring,lock,serrated |
| FSC / FSG | 5365 / 53 — Bushings, Rings, Shims, and Spacers |
| Manufacturer | Westinghouse Electric Corp |
| Status | ACTIVE |
| Overall Outside Diameter | 0.400 INCHES NOMINAL IN |
| Inner Serration Quantity | 17 |
| Pilot Diameter | 0.343 INCHES NOMINAL IN |
| Inside Diameter | 0.266 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM |
| Outer Serration Quantity | 24 |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 112T006 | Westinghouse Electric Corp (USA) |
| Reference | Meaning |
|---|---|
| 112T006 | 5/9 Secondary reference Colt Industries Operating Corp Pratt and Whitney Machine Tool Div |
| RL24SA8 | 3/2 Design control — primary reference U.S. Government activity |
| RL24SB8 | 5/9 Secondary reference U.S. Government activity |
NSN 5365-00-596-5597 is a Ring,lock,serrated, manufactured by Westinghouse Electric Corp, classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
NSN 5365-00-596-5597 has 1 manufacturer part number on file: 112T006 (Westinghouse Electric Corp).
Key specifications for 112T006: Overall Height: 0.128 INCHES NOMINAL IN; Overall Outside Diameter: 0.400 INCHES NOMINAL IN; Inner Serration Quantity: 17; Pilot Diameter: 0.343 INCHES NOMINAL 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.