The Ring,lock,serrated, cataloged under National Stock Number 5365-00-774-4569, is classified within Federal Supply Class 5365 (Bushings, Rings, Shims, and Spacers) of the Hardware and Abrasives group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. 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 | 5365-00-774-4569 |
| Primary Part Number | 7744569 |
| Item Name | Ring,lock,serrated |
| FSC / FSG | 5365 / 53 — Bushings, Rings, Shims, and Spacers |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Overall Outside Diameter | 0.512 INCHES MINIMUM AND 0.517 INCHES MAXIMUM IN |
| Inner Serration Quantity | 23 |
| Pilot Diameter | 0.442 INCHES MINIMUM AND 0.462 INCHES MAXIMUM IN |
| Inside Diameter | 0.374 INCHES MINIMUM AND 0.377 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM |
| Outer Serration Quantity | 30 |
| Material | STEEL COMP 1213 |
| 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 |
|---|---|
| 7744569 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 5365-00-774-4569 is a Ring,lock,serrated, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
NSN 5365-00-774-4569 has 1 manufacturer part number on file: 7744569 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 7744569: Overall Height: 0.145 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN; Overall Outside Diameter: 0.512 INCHES MINIMUM AND 0.517 INCHES MAXIMUM IN; Inner Serration Quantity: 23; Pilot Diameter: 0.442 INCHES MINIMUM AND 0.462 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.