The Seal Ring,transmisson, cataloged under National Stock Number 2520-01-185-0146, is classified within Federal Supply Class 2520 (Vehicular Power Transmission Components) of the Vehicular Equipment Components group. The manufacturer of record is Allison Transmission Inc Dba Allison Transmission, Inc. The record lists 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 2520-01-185-0146 |
| Primary Part Number | 23011475 |
| Item Name | Seal Ring,transmisson |
| FSC / FSG | 2520 / 25 — Vehicular Power Transmission Components |
| Manufacturer | Allison Transmission Inc Dba Allison Transmission, Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
NSN 2520-01-185-0146 is a Seal Ring,transmisson, manufactured by Allison Transmission Inc Dba Allison Transmission, Inc, classified under FSC 2520, Vehicular Power Transmission Components. Status: active.
NSN 2520-01-185-0146 has 3 manufacturer part numbers on file: 993564C (Uro Vehiculos Especiales Sa), 23011475 (Allison Transmission Inc Dba Allison Transmission, Inc), 993564 (Uro Vehiculos Especiales Sa).
Key specifications for 23011475: Special Features: USE ON HYDRAULIC TRANSMISSON MODEL NUMBERS AT540,AT543; End Item Identification: INTERNATIONAL HARVESTER VEHICLES INCLUDING TRUCKS, LOADSTAR BUS MODEL NUMBERS 1603/1703 AND ACFT TOWING TRACTOR A/S32A-31. 0 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.