The Grinding Machine,brake Lining, cataloged under National Stock Number 4910-00-221-2440, is classified within Federal Supply Class 4910 (Motor Vehicle Maintenance and Repair Shop Specialized Equipment) of the Maintenance and Repair Shop Equipment group. Government technical data includes 15 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4910-00-221-2440 |
| Item Name | Grinding Machine,brake Lining |
| FSC / FSG | 4910 / 49 — Motor Vehicle Maintenance and Repair Shop Specialized Equipment |
| Status | ACTIVE |
| Spindle Shape | ANGULAR |
| Current Type | AC OR DC |
| Grinding Method | GRINDING UNIT REVOLVED ABOUT BRAKE SHOE ASSEMBLY |
| Drive Type | SPINDLE |
| Minimum Brake Shoe Diameter Accommodated | 9.000 INCHES IN |
| Voltage in Volts | 110.0 |
| Diameter | 6.000 INCHES NOMINAL IN |
| Maximum Brake Shoe Diameter Accommodated | 24.000 INCHES IN |
| Abrasive Shape | DISK |
| Electric Motor Horsepower Rating | 0.3 |
| Brake Shoe Maximum Width Accommodated | 6.000 INCHES IN |
| Mounting Type for Which Designed | PORTABLE |
| Maximum Axle Size Accommodated | 5.250 INCHES IN |
| Angle in Deg | 90.0 |
| Furnished Items and Quantity | ANY ACCEPTABLE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 56-35-3 | 2/9 Government specification standardization U.S. Government activity |
NSN 4910-00-221-2440 is a Grinding Machine,brake Lining, classified under FSC 4910, Motor Vehicle Maintenance and Repair Shop Specialized Equipment. Status: active.
3 possible matches (shared part number, not a government interchangeability claim): 2910-00-447-9273, 5305-01-128-4464, 6130-01-627-3866. Verify interchangeability with system specifications before substitution.
Key specifications for 4910-00-221-2440: Spindle Shape: ANGULAR; Current Type: AC OR DC; Grinding Method: GRINDING UNIT REVOLVED ABOUT BRAKE SHOE ASSEMBLY; Drive Type: SPINDLE. 15 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.