The Spacer,plate, cataloged under National Stock Number 5365-01-668-6451, is classified within Federal Supply Class 5365 (Bushings, Rings, Shims, and Spacers) of the Hardware and Abrasives group. The manufacturer of record is Measurement Science Directorate Corona Div Naval Surface Warfare Center Po Box 5000 Corona Ca 92878-5000. 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 | 5365-01-668-6451 |
| Primary Part Number | D623 |
| Item Name | Spacer,plate |
| FSC / FSG | 5365 / 53 — Bushings, Rings, Shims, and Spacers |
| Manufacturer | Measurement Science Directorate Corona Div Naval Surface Warfare Center Po Box 5000 Corona Ca 92878-5000 |
| Status | ACTIVE |
| 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 |
|---|---|
| D623 PRIMARY | Measurement Science Directorate Corona Div Naval Surface Warfare Center Po Box 5000 Corona Ca 92878-5000 (USA) |
NSN 5365-01-668-6451 is a Spacer,plate, manufactured by Measurement Science Directorate Corona Div Naval Surface Warfare Center Po Box 5000 Corona Ca 92878-5000, classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
NSN 5365-01-668-6451 has 1 manufacturer part number on file: D623 (Measurement Science Directorate Corona Div Naval Surface Warfare Center Po Box 5000 Corona Ca 92878-5000).
Key specifications for D623: Part Name Assigned by Controlling Agency: SPACER BLOCK. 0 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.