The Spacer,ring, cataloged under National Stock Number 5365-00-149-8640, is classified within Federal Supply Class 5365 (Bushings, Rings, Shims, and Spacers) of the Hardware and Abrasives group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 8 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5365-00-149-8640 |
| Primary Part Number | 2M4210 |
| Item Name | Spacer,ring |
| FSC / FSG | 5365 / 53 — Bushings, Rings, Shims, and Spacers |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | ACTIVE |
| Surface Finish | 32.0 MICROINCHES RIGHT SIDE |
| Surface Finish | 32.0 MICROINCHES LEFT SIDE |
| Surface Finish | 63.0 MICROINCHES LARGEST OUTSIDE DIAMETER |
| Outside Diameter | 1.284 INCHES MINIMUM AND 1.286 INCHES MAXIMUM IN |
| Overall Thickness | 0.1815 INCHES MINIMUM AND 0.1825 INCHES MAXIMUM IN |
| Material Document and Classification | 1E368,CAGE 11083 MFR REF SINGLE MATERIAL RESPONSE |
| Inside Diameter | 1.019 INCHES MINIMUM AND 1.025 INCHES MAXIMUM IN |
| Material | STEEL |
| 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 |
|---|---|
| 2M4210 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
NSN 5365-00-149-8640 is a Spacer,ring, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
NSN 5365-00-149-8640 has 1 manufacturer part number on file: 2M4210 (Caterpillar Inc Div Caterpillar Defense).
Key specifications for 2M4210: Surface Finish: 32.0 MICROINCHES RIGHT SIDE; Surface Finish: 32.0 MICROINCHES LEFT SIDE; Surface Finish: 63.0 MICROINCHES LARGEST OUTSIDE DIAMETER; Outside Diameter: 1.284 INCHES MINIMUM AND 1.286 INCHES MAXIMUM IN. 8 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.