The Spacer,sleeve, cataloged under National Stock Number 5365-00-366-2859, is classified within Federal Supply Class 5365 (Bushings, Rings, Shims, and Spacers) of the Hardware and Abrasives group. The manufacturer of record is Park-Ohio Industries Inc Dba Ohio Crankshaft Div Div Ohio Crankshaft Division. Government technical data includes 16 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5365-00-366-2859 |
| Primary Part Number | 8028638 |
| Item Name | Spacer,sleeve |
| FSC / FSG | 5365 / 53 — Bushings, Rings, Shims, and Spacers |
| Manufacturer | Park-Ohio Industries Inc Dba Ohio Crankshaft Div Div Ohio Crankshaft Division |
| Status | ACTIVE |
| Corner Shape | SQUARE INSIDE RIGHT CORNER |
| Corner Shape | CHAMFERED LEFT FLANGE OUTSIDE RIGHT CORNER |
| Corner Shape | SQUARE RIGHT FLANGE BODY CORNER |
| Corner Shape | SQUARE LEFT FLANGE BODY CORNER |
| Corner Shape | SQUARE OUTSIDE RIGHT CORNER |
| Corner Shape | SQUARE OUTSIDE LEFT CORNER |
| Corner Shape | SQUARE INSIDE LEFT CORNER |
| Corner Shape | CHAMFERED RIGHT FLANGE OUTSIDE LEFT CORNER |
| Body Outside Diameter | 2.3750 INCHES NOMINAL IN |
| Hardness Rating | 197.0 BRINELL STANDARD MINIMUM AND 229.0 BRINELL STANDARD MAXIMUM OVERALL |
| Style Designator | SOLID, EXTERNAL FLANGES BOTH ENDS |
| Body Inside Diameter | 0.7500 INCHES NOMINAL IN |
| Right Flange Outside Diameter | 4.2500 INCHES NOMINAL IN |
| Left Flange Outside Diameter | 4.2500 INCHES NOMINAL IN |
| Flange Width | 0.6250 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| 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 |
|---|---|
| 8028638 PRIMARY | Park-Ohio Industries Inc Dba Ohio Crankshaft Div Div Ohio Crankshaft Division (USA) |
| Reference | Meaning |
|---|---|
| 8028638 | 5/9 Secondary reference General Motors Corp |
| 8028638 | 5/9 Secondary reference General Motors Corp Electro-Motive Div |
NSN 5365-00-366-2859 is a Spacer,sleeve, manufactured by Park-Ohio Industries Inc Dba Ohio Crankshaft Div Div Ohio Crankshaft Division, classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
NSN 5365-00-366-2859 has 1 manufacturer part number on file: 8028638 (Park-Ohio Industries Inc Dba Ohio Crankshaft Div Div Ohio Crankshaft Division).
Key specifications for 8028638: Corner Shape: SQUARE INSIDE RIGHT CORNER; Corner Shape: CHAMFERED LEFT FLANGE OUTSIDE RIGHT CORNER; Corner Shape: SQUARE RIGHT FLANGE BODY CORNER; Corner Shape: SQUARE LEFT FLANGE BODY CORNER. 16 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.