The Disk,clutch,vehicular, cataloged under National Stock Number 2520-00-778-0555, is classified within Federal Supply Class 2520 (No Item Name Available) of the Vehicular Equipment Components group. The primary manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 16 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2520-00-778-0555 |
| Primary Part Number | 1K3166 |
| Item Name | Disk,clutch,vehicular |
| FSC / FSG | 2520 / 25 — No Item Name Available |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | ACTIVE |
| Disk Material | STEEL |
| Outside Diameter | 11.375 INCHES NOMINAL IN |
| Spline Quantity | 24 |
| Spline Type | INVOLUTE |
| Design Type | DRY |
| Disk Type | PLAIN |
| Flexibility | RIGID |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 75125 | Komatsu America Corporation (USA) |
| 1K3166 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
| 41529-5273 | Komatsu America Corporation (USA) |
| D75125 | Komatsu America Corporation (USA) |
| 75125 PRIMARY | Dressta North America Ltd (USA) |
| 5273 | Scott Huber Essick a Co of Figgie International Inc (USA) |
| RB41529-5273 | Komatsu America Corporation (USA) |
| R18474-5273 | Komatsu America Corporation (USA) |
| 5273 PRIMARY | Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA) |
| 0P697 | Blaw-Knox Construction Equipment Co Div of White Consolidated Industries Inc (USA) |
| 1-1524 | Benju Sales & Earths Choice Inc Dba Benju Div Benju Sales (USA) |
| 184745273 | Komatsu America Corporation (USA) |
| R29179-5273 | Komatsu America Corporation (USA) |
| 5273 | Arrow-Master, Incorporated (USA) |
| 291795273 | Komatsu America Corporation (USA) |
| 5273 | Blaw-Knox Construction Equipment Co Div of White Consolidated Industries Inc (USA) |
NSN 2520-00-778-0555 is a Disk,clutch,vehicular, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 2520 (No Item Name Available). Status: active.
NSN 2520-00-778-0555 has 16 cross-referenced part numbers: 75125 (Komatsu America Corporation), 1K3166 (Caterpillar Inc Div Caterpillar Defense), 41529-5273 (Komatsu America Corporation), D75125 (Komatsu America Corporation), 75125 (Dressta North America Ltd) and 11 more.
There are 12 known substitutes for 2520-00-778-0555: 4820-00-036-2846, 6145-00-164-0260, 5133-00-232-8161 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 1K3166: Disk Material: STEEL; Outside Diameter: 11.375 INCHES NOMINAL IN; Spline Quantity: 24; Spline Type: INVOLUTE. 8 total characteristics are documented in the Federal Logistics Information System.