The Spacer,plate, cataloged under National Stock Number 5365-01-481-2256, 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 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5365-01-481-2256 |
| Primary Part Number | 122-5277656 ITEM 16 |
| Item Name | Spacer,plate |
| FSC / FSG | 5365 / 53 — Bushings, Rings, Shims, and Spacers |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Gasket Center to Flat Distance | 2.250 INCHES NOMINAL IN |
| Overall Thickness | 0.250 INCHES NOMINAL IN |
| Style Designator | CIRCULAR W/ONE PERIPHERAL FLAT |
| Outside Diameter | 8.000 INCHES NOMINAL IN |
| Aperture Diameter | 2.375 INCHES NOMINAL IN |
| Bolt Hole Quantity | 4 |
| Bolt Circle Diameter | 4.500 INCHES NOMINAL IN |
| Material | COPPER ALLOY 630 |
| Hole Diameter | 0.625 INCHES NOMINAL 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 |
|---|---|
| 122-5277656 ITEM 16 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 122-5277656 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 5365-01-481-2256 is a Spacer,plate, manufactured by Naval Sea Systems Command, classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
NSN 5365-01-481-2256 has 1 manufacturer part number on file: 122-5277656 ITEM 16 (Naval Sea Systems Command).
3 possible matches (shared part number, not a government interchangeability claim): 5306-01-481-5715, 5306-01-481-5717, 5310-01-481-8200. Verify interchangeability with system specifications before substitution.
Key specifications for 122-5277656 ITEM 16: Gasket Center to Flat Distance: 2.250 INCHES NOMINAL IN; Overall Thickness: 0.250 INCHES NOMINAL IN; Style Designator: CIRCULAR W/ONE PERIPHERAL FLAT; Outside Diameter: 8.000 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.