The Pump Assembly,torque, cataloged under National Stock Number 2520-01-105-9658, is classified within Federal Supply Class 2520 (Vehicular Power Transmission Components) of the Vehicular Equipment Components group. The manufacturer of record is W.w. Williams Company, the Llc Dba W W Williams Company-Midwest Division. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2520-01-105-9658 |
| Primary Part Number | 23018598 |
| Item Name | Pump Assembly,torque |
| FSC / FSG | 2520 / 25 — Vehicular Power Transmission Components |
| Manufacturer | W.w. Williams Company, the Llc Dba W W Williams Company-Midwest Division |
| Status | ACTIVE |
| Criticality Code Justification | FEAT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 23018598 PRIMARY | W.w. Williams Company, the Llc Dba W W Williams Company-Midwest Division (USA) |
| 23018598 | Allison Transmission Inc Dba Allison Transmission, Inc (USA) |
| Reference | Meaning |
|---|---|
| 6779599 | 5/9 Secondary reference Allison Transmission Inc Dba Allison Transmission, Inc |
| 203237H1 | 5/9 Secondary reference International Harvester Co Agricultural Equipment Div |
NSN 2520-01-105-9658 is a Pump Assembly,torque, manufactured by W.w. Williams Company, the Llc Dba W W Williams Company-Midwest Division, classified under FSC 2520, Vehicular Power Transmission Components. Status: active.
NSN 2520-01-105-9658 has 2 manufacturer part numbers on file: 23018598 (W.w. Williams Company, the Llc Dba W W Williams Company-Midwest Division), 23018598 (Allison Transmission Inc Dba Allison Transmission, Inc).
Key specifications for 23018598: Criticality Code Justification: FEAT; Special Features: WEAPON SYSTEM ESSENTIAL; Part Name Assigned by Controlling Agency: PUMP ASSEMBLY,TORQUE; End Item Identification: LAV,ANTI-TANK. 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.