The Spacer,plate, cataloged under National Stock Number 5365-00-397-4740, is classified within Federal Supply Class 5365 (Bushings, Rings, Shims, and Spacers) of the Hardware and Abrasives group. The manufacturer of record is Hamilton Sundstrand Corporation Dba Collins Aerospace. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5365-00-397-4740 |
| Primary Part Number | 75550-18 |
| Item Name | Spacer,plate |
| FSC / FSG | 5365 / 53 — Bushings, Rings, Shims, and Spacers |
| Manufacturer | Hamilton Sundstrand Corporation Dba Collins Aerospace |
| Status | ACTIVE |
| FSC Application Data | PROPELLER AIRCRAFT |
| Outside Diameter | 5.300 INCHES NOMINAL IN |
| Aperture Diameter | 3.375 INCHES NOMINAL IN |
| Bolt Hole Quantity | 2 |
| Bolt Circle Diameter | 4.244 INCHES MINIMUM AND 4.256 INCHES MAXIMUM IN |
| Hole Diameter | 0.211 INCHES MINIMUM AND 0.223 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 |
|---|---|
| 75550-18 | Alinabal Holdings Corporation Div Engineered Products Group (USA) |
| 75550-18 PRIMARY | Hamilton Sundstrand Corporation Dba Collins Aerospace (USA) |
| Reference | Meaning |
|---|---|
| 75550 | D/9 Drawing number reference only Hamilton Sundstrand Corporation Dba Collins Aerospace |
NSN 5365-00-397-4740 is a Spacer,plate, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
NSN 5365-00-397-4740 has 2 manufacturer part numbers on file: 75550-18 (Alinabal Holdings Corporation Div Engineered Products Group), 75550-18 (Hamilton Sundstrand Corporation Dba Collins Aerospace).
Key specifications for 75550-18: FSC Application Data: PROPELLER AIRCRAFT; Outside Diameter: 5.300 INCHES NOMINAL IN; Aperture Diameter: 3.375 INCHES NOMINAL IN; Bolt Hole Quantity: 2. 6 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.