The Wheel,abrasive, cataloged under National Stock Number 3460-00-357-4961, is classified within Federal Supply Class 3460 (Machine Tool Accessories) of the Metalworking Machinery (continued) group. The manufacturer of record is Sioux Tools Inc. Government technical data includes 12 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. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3460-00-357-4961 |
| Primary Part Number | K491 |
| Item Name | Wheel,abrasive |
| FSC / FSG | 3460 / 34 — Machine Tool Accessories |
| Manufacturer | Sioux Tools Inc |
| Status | ACTIVE |
| Usage Design | METALWORKING |
| Mounting Method | THREADED INSERT |
| Overall Thickness | 1.250 INCHES NOMINAL IN |
| Wheel Style | SPECIAL "ZB" |
| Abrasive Bond Grade Designation | V HARD |
| Screen Grit Size Designator | 80 |
| Thread Direction | RIGHT-HAND |
| Angle | 30.0 DEGREES |
| Wheel Diameter | 1.875 INCHES NOMINAL IN |
| Thread Size and Series/type Designator | 0.688-16 UN |
| Abrasive Grain Structure Designator | 11 |
| Hole Diameter | 1.422 INCHES MINIMUM AND 1.453 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 |
|---|---|
| K491 PRIMARY | Sioux Tools Inc (USA) |
NSN 3460-00-357-4961 is a Wheel,abrasive, manufactured by Sioux Tools Inc, classified under FSC 3460, Machine Tool Accessories. Status: active.
NSN 3460-00-357-4961 has 1 manufacturer part number on file: K491 (Sioux Tools Inc).
1 possible match (shared part number, not a government interchangeability claim): 5120-01-359-6186. Verify interchangeability with system specifications before substitution.
Key specifications for K491: Usage Design: METALWORKING; Mounting Method: THREADED INSERT; Overall Thickness: 1.250 INCHES NOMINAL IN; Wheel Style: SPECIAL "ZB". 12 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.