The Torque Converter,hydraulic, cataloged under National Stock Number 2520-01-004-4205, 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 4 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2520-01-004-4205 |
| Primary Part Number | 716277 |
| Item Name | Torque Converter,hydraulic |
| FSC / FSG | 2520 / 25 — Vehicular Power Transmission Components |
| Manufacturer | Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic |
| Status | ACTIVE |
| Overall Diameter | 19.406 INCHES NOMINAL IN |
| General Characteristics Item Description | FABRICATED ASSEMBLY,WITH MOUNTINGHOLES |
| Specification/standard Data | 05047-Y14.100-2004 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD AND 05047-ASME Y14.5M-1994 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Material | ALUMINUM ALLOY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 11650011 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 716277 PRIMARY | Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA) |
| 11650011 PRIMARY | Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA) |
| Reference | Meaning |
|---|---|
| 11650011 | 3/9 Design control — primary reference Allison Transmission Inc Dba Allison Transmission, Inc |
| 2520010044205 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
NSN 2520-01-004-4205 is a Torque Converter,hydraulic, manufactured by Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic, classified under FSC 2520, Vehicular Power Transmission Components. Status: active.
NSN 2520-01-004-4205 has 3 manufacturer part numbers on file: 11650011 (U S Army Tank Automotive Command Amsta-Im-Mm), 716277 (Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic), 11650011 (Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic).
Key specifications for 716277: Overall Diameter: 19.406 INCHES NOMINAL IN; General Characteristics Item Description: FABRICATED ASSEMBLY,WITH MOUNTINGHOLES; Specification/standard Data: 05047-Y14.100-2004 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD AND 05047-ASME Y14.5M-1994 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD; Special Features: ALUMINUM ALLOY CASTING 355-T71, ALUMINUM ALLOY CASTING 356-T71,. 4 specifications are 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.
NSN 2520-01-004-4205 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.