The Clutch Shaft Assembly,transmissi, cataloged under National Stock Number 2520-01-435-1631, 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 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2520-01-435-1631 |
| Primary Part Number | X-227463-H |
| Item Name | Clutch Shaft Assembly,transmissi |
| FSC / FSG | 2520 / 25 — Vehicular Power Transmission Components |
| Manufacturer | Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic |
| Status | ACTIVE |
| General Characteristics Item Description | CONTAINS: RING DRIVE ASSEMBLIES, 1 GEAR DRIVER, 2 CLUTCH HUBS, 2 CLUTCH PISTONS, 16 FRICTION FACED PLATES, 8 FLAT STEEL PLATES, 8 CONED STEEL PLATES, 2 INTERNAL SNAP RINGS, 5 EXTERNAL SNAP RINGS, 2 PISTON RINGS, 3 SEALING RINGS, 2 LATHE CUT RINGS, 2 SPRING ASSEMBLY RETAINERS, 1 THRUST RACE, 1 CLUTCH ASSEMBLY SHAFT, 2 DUMP VALVE SLEEVES, 1 SPACER, 2 VALVE SPRINGS, 2 DUMP VALVES, 3 STEEL THRUST WASHERS |
| 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 |
|---|---|
| X-227463-H PRIMARY | Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA) |
NSN 2520-01-435-1631 is a Clutch Shaft Assembly,transmissi, manufactured by Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic, classified under FSC 2520, Vehicular Power Transmission Components. Status: active.
NSN 2520-01-435-1631 has 1 manufacturer part number on file: X-227463-H (Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic).
Key specifications for X-227463-H: General Characteristics Item Description: CONTAINS: RING DRIVE ASSEMBLIES, 1 GEAR DRIVER, 2 CLUTCH HUBS, 2 CLUTCH PISTONS, 16 FRICTION FACED PLATES, 8 FLAT STEEL PLATES, 8 CONED STEEL PLATES, 2 INTERNAL SNAP RINGS, 5 EXTERNAL SNAP RINGS, 2 PISTON RINGS, 3 SEALING RINGS, 2 LATHE CUT RINGS, 2 SPRING ASSEMBLY RETAINERS, 1 THRUST RACE, 1 CLUTCH ASSEMBLY SHAFT, 2 DUMP VALVE SLEEVES, 1 SPACER, 2 VALVE SPRINGS, 2 DUMP VALVES, 3 STEEL THRUST WASHERS; End Item Identification: TRUCK, FIRE/CRASH P23. 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.