The Spacer,plate, cataloged under National Stock Number 5365-01-174-2587, is classified within Federal Supply Class 5365 (Bushings, Rings, Shims, and Spacers) of the Hardware and Abrasives group. The manufacturer of record is Royson Engineering Company. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Spacer,plate |
| FSC / FSG | 5365 — Bushings, Rings, Shims, and Spacers (FSG 53) |
| Manufacturers | Royson Engineering Company (CAGE 02154); Moeller Mfg. Company, Llc Div Aircraft (CAGE 08244); J.f. Fredericks Aero Llc Dba J F Fredericks Aero Llc Div J F Frederics Aero Llc (CAGE 33575) |
| Parameter | Value |
|---|---|
| NSN | 5365-01-174-2587 |
| Primary Part Number | 4043009 |
| Item Name | Spacer,plate |
| FSC / FSG | 5365 / 53 — Bushings, Rings, Shims, and Spacers |
| Manufacturer | Royson Engineering Company |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 4043009 PRIMARY | Royson Engineering Company (USA) |
| 4043009 PRIMARY | Moeller Mfg. Company, Llc Div Aircraft (USA) |
| 4043009 PRIMARY | J.f. Fredericks Aero Llc Dba J F Fredericks Aero Llc Div J F Frederics Aero Llc (USA) |
| Reference | Meaning |
|---|---|
| 4043009 | 5/9 Secondary reference Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
NSN 5365-01-174-2587 is a Spacer,plate, manufactured by Royson Engineering Company, classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
NSN 5365-01-174-2587 has 3 manufacturer part numbers on file: 4043009 (Royson Engineering Company), 4043009 (Moeller Mfg. Company, Llc Div Aircraft), 4043009 (J.f. Fredericks Aero Llc Dba J F Fredericks Aero Llc Div J F Frederics Aero Llc).
1 possible match (shared part number, not a government interchangeability claim): 5331-01-448-6812. Verify interchangeability with system specifications before substitution.
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.