The Hub,clutch, cataloged under National Stock Number 2520-01-004-0015, is classified within Federal Supply Class 2520 (Vehicular Power Transmission Components) of the Vehicular Equipment Components group. The manufacturer of record is Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic. Government technical data includes 1 specification, 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 | 2520-01-004-0015 |
| Primary Part Number | 218826D |
| Item Name | Hub,clutch |
| FSC / FSG | 2520 / 25 — Vehicular Power Transmission Components |
| Manufacturer | Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL;0.362 IN. THK BY 9.000 IN. DIA FLANGE ON ONE END;HUB W/FOUR SEGMENTS OF 15 SPLINES EA;6.125 IN. MINOR DIA;6.595 IN. MAJOR DIA;2.062 IN. SPLINE LG;26 INVOLUTE SPLINED BORE;3.108 IN. MINOR DIA,2.500 IN. MAJOR DIA;1.375 IN. BORE SPLINE LG;2.688 IN. O/A LG IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 218826D PRIMARY | Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA) |
NSN 2520-01-004-0015 is a Hub,clutch, manufactured by Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic, classified under FSC 2520, Vehicular Power Transmission Components. Status: active.
NSN 2520-01-004-0015 has 1 manufacturer part number on file: 218826D (Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic).
Key specifications for 218826D: General Characteristics Item Description: STEEL;0.362 IN. THK BY 9.000 IN. DIA FLANGE ON ONE END;HUB W/FOUR SEGMENTS OF 15 SPLINES EA;6.125 IN. MINOR DIA;6.595 IN. MAJOR DIA;2.062 IN. SPLINE LG;26 INVOLUTE SPLINED BORE;3.108 IN. MINOR DIA,2.500 IN. MAJOR DIA;1.375 IN. BORE SPLINE LG;2.688 IN. O/A LG IN; End Item Identification: 2320000897264. 1 specification is documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.