The Spacer,plate, cataloged under National Stock Number 5365-01-417-2558, is classified within Federal Supply Class 5365 (Bushings, Rings, Shims, and Spacers) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5365-01-417-2558 |
| Primary Part Number | 754-6405243-56 |
| Item Name | Spacer,plate |
| FSC / FSG | 5365 / 53 — Bushings, Rings, Shims, and Spacers |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Overall Thickness | 0.250 INCHES NOMINAL IN |
| Style Designator | CIRCULAR |
| Material Document and Classification | QQ-N-281,CL A FED SPEC SINGLE MATERIAL RESPONSE |
| Outside Diameter | 9.438 INCHES NOMINAL IN |
| Aperture Diameter | 8.304 INCHES NOMINAL IN |
| Bolt Hole Quantity | 12 |
| Bolt Circle Diameter | 8.866 INCHES NOMINAL IN |
| Material | NICKEL ALLOY 400 |
| Hole Diameter | 0.279 INCHES MINIMUM AND 0.289 INCHES MAXIMUM IN |
| 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 |
|---|---|
| 211069618 | Naval Sea Systems Command (USA) |
| 754-6405243-56 PRIMARY | Naval Sea Systems Command (USA) |
| DF2230-2410 FN 56 | Naval Sea Systems Command (USA) |
NSN 5365-01-417-2558 is a Spacer,plate, manufactured by Naval Sea Systems Command, classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
NSN 5365-01-417-2558 has 3 manufacturer part numbers on file: 211069618 (Naval Sea Systems Command), 754-6405243-56 (Naval Sea Systems Command), DF2230-2410 FN 56 (Naval Sea Systems Command).
Key specifications for 754-6405243-56: Overall Thickness: 0.250 INCHES NOMINAL IN; Style Designator: CIRCULAR; Material Document and Classification: QQ-N-281,CL A FED SPEC SINGLE MATERIAL RESPONSE; Outside Diameter: 9.438 INCHES NOMINAL IN. 9 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.