The Parts Kit,hydraulic Transmission, cataloged under National Stock Number 2520-01-225-5443, is classified within Federal Supply Class 2520 (Vehicular Power Transmission Components) of the Vehicular Equipment Components group. The manufacturer of record is The W.w. Williams Company, Llc. Government technical data includes 7 specifications, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2520-01-225-5443 |
| Primary Part Number | 6779310 |
| Item Name | Parts Kit,hydraulic Transmission |
| FSC / FSG | 2520 / 25 — Vehicular Power Transmission Components |
| Manufacturer | The W.w. Williams Company, Llc |
| Status | ACTIVE |
| Component Quantity | 3 |
| FSC Application Data | CARRIER,CARGO |
| Model Number | M548/BAEL/ |
| Supply Items and Quantities | 2520-00-919-7227 SEAL RING P/N 6774901 1; 2520-00-919-7228 EXPANDER P/N 6774902 1 |
| Nonsupply Items and Quantities | 73342 6777057 INSTRUCTION SH 1 |
| Usage Design | TORQUE CONVERTER |
| Type/model Designation | TX100 |
| 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 |
|---|---|
| 6779310 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 6779310 PRIMARY | The W.w. Williams Company, Llc (USA) |
| Reference | Meaning |
|---|---|
| 2520012255443 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| 6779310 | 5/9 Secondary reference Allison Transmission Inc Dba Allison Transmission, Inc |
NSN 2520-01-225-5443 is a Parts Kit,hydraulic Transmission, manufactured by The W.w. Williams Company, Llc, classified under FSC 2520, Vehicular Power Transmission Components. Status: active.
NSN 2520-01-225-5443 has 2 manufacturer part numbers on file: 6779310 (U S Army Tank Automotive Command Amsta-Im-Mm), 6779310 (The W.w. Williams Company, Llc).
Key specifications for 6779310: Component Quantity: 3; FSC Application Data: CARRIER,CARGO; Model Number: M548/BAEL/; Supply Items and Quantities: 2520-00-919-7227 SEAL RING P/N 6774901 1; 2520-00-919-7228 EXPANDER P/N 6774902 1. 7 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.
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.