The Transmission,hydraulic,vehicular, cataloged under National Stock Number 2520-01-539-2162, 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 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2520-01-539-2162 |
| Primary Part Number | 67591 |
| Item Name | Transmission,hydraulic,vehicular |
| FSC / FSG | 2520 / 25 — Vehicular Power Transmission Components |
| Manufacturer | Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic |
| Status | ACTIVE |
| Design Type | TORQUE CONVERTER |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
NSN 2520-01-539-2162 is a Transmission,hydraulic,vehicular, manufactured by Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic, classified under FSC 2520, Vehicular Power Transmission Components. Status: active.
NSN 2520-01-539-2162 has 2 manufacturer part numbers on file: 67591 (Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic), 654954 (E-One, Inc. Dba E-One Hamburg).
Key specifications for 67591: Design Type: TORQUE CONVERTER; Special Features: CONSISTS OF ENGINE MOUNTED 17.5 OR 18.5 INCH TYPE 8 TORQUE CONVERTER, A 6 SPEED POWER SHIFT TRANSMISSION AND AN ADVANCED ELECTRONIC CONTROL SYSTEM; MAX GROSS INPUT POWER 370 HP, 275 KW, 2100 RPM; MAX GROSS INPUT TORQUE 1950 LB FT, 2644 N M; MAX INPUT SPEED 2300 RPM; TRANSMISSION OUTPUT ROTATION OPPOSITE ENGINE FOR FORWARD; MOUNTING REMOTE MOUNTED, SUMP CAPACITIY 7 GAL, DIFFERENTIAL 30-70, 50-50 AND 70-30 WITH LOCK, OPTIONAL PART TIME AWD AVAILABLE; DRY WEIGHT 1700 LBS; RATIOS 1ST THRU 6TH 6.70, 4.39, 2.898, 1.893, 1.241, 0.819, REV 7.443, OVERALL 8.18 LBS; Part Name Assigned by Controlling Agency: 1180 AWD SERIES TRANSMISSION SYSTEM. 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.