The Spacer,plate, cataloged under National Stock Number 5365-01-357-1753, 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. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5365-01-357-1753 |
| Primary Part Number | SK56Y21-92-1 SIZE D-025 |
| Item Name | Spacer,plate |
| FSC / FSG | 5365 / 53 — Bushings, Rings, Shims, and Spacers |
| Manufacturer | Naval Sea Systems Command |
| 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 |
|---|---|
| SK56Y21-92-1 SIZE D-025 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 922947 | 5/9 Secondary reference Mars Technologies Inc Dba American Metals Company |
| D-025 | 5/9 Secondary reference International Mechanical Shim Corp Dba San Diego Shim and Algnmt Co |
| 0D02520 | 5/9 Secondary reference Igs Industries Inc |
NSN 5365-01-357-1753 is a Spacer,plate, manufactured by Naval Sea Systems Command, classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
NSN 5365-01-357-1753 has 1 manufacturer part number on file: SK56Y21-92-1 SIZE D-025 (Naval Sea Systems Command).
1 possible match (shared part number, not a government interchangeability claim): 5136-01-604-5266. Verify interchangeability with system specifications before substitution.
Key specifications for SK56Y21-92-1 SIZE D-025: Overall Length: 5.688 INCHES NOMINAL IN; Overall Width: 5.000 INCHES NOMINAL IN. 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.