The Adapter,pump Drive, cataloged under National Stock Number 2520-00-421-1326, is classified within Federal Supply Class 2520 (Vehicular Power Transmission Components) of the Vehicular Equipment Components group. The manufacturer of record is Dressta North America Ltd. 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government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 | 2520-00-421-1326 |
| Primary Part Number | 72606 |
| Item Name | Adapter,pump Drive |
| FSC / FSG | 2520 / 25 — Vehicular Power Transmission Components |
| Manufacturer | Dressta North America Ltd |
| Status | ACTIVE |
| General Characteristics Item Description | 1.938 IN.OVERALL LG;1.750 IN.OVERALL DIA;FIRST END,1.250 IN.ID W/14 INVOLUTE SPLINE TEETH,1.1667 PITCH DIA;0.250 IN.LG GROOVE;SECOND END 0.625 IN.DIA W/9 INVOLUTE SPLINE TEETH,0.5625 PITCH DIA;COUNTERBORED END,0.125 IN.LG BY 0.672 IN.DIA 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 |
|---|---|
| 72606 | Dressta North America Ltd (USA) |
| Reference | Meaning |
|---|---|
| 72606 | 5/9 Secondary reference Komatsu America Corporation |
| D72606 | 5/9 Secondary reference Komatsu America Corporation |
| B72606 | 5/9 Secondary reference Komatsu America Corporation |
| 214961 | C/1 Advisory reference — outside the item-of-supply concept Dana Off Highway Products, Llc |
| 214961 | 3/9 Design control — primary reference Clark Equipment Co |
| 214961 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 2520-00-421-1326 is a Adapter,pump Drive, manufactured by Dressta North America Ltd, classified under FSC 2520, Vehicular Power Transmission Components. Status: active.
NSN 2520-00-421-1326 has 1 manufacturer part number on file: 72606 (Dressta North America Ltd).
6 possible matches (shared part number, not a government interchangeability claim): 5930-00-726-3143, 9905-01-122-1351, 5365-01-237-1049. Verify interchangeability with system specifications before substitution.
Key specifications for 72606: General Characteristics Item Description: 1.938 IN.OVERALL LG;1.750 IN.OVERALL DIA;FIRST END,1.250 IN.ID W/14 INVOLUTE SPLINE TEETH,1.1667 PITCH DIA;0.250 IN.LG GROOVE;SECOND END 0.625 IN.DIA W/9 INVOLUTE SPLINE TEETH,0.5625 PITCH DIA;COUNTERBORED END,0.125 IN.LG BY 0.672 IN.DIA IN. 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.