The Pressure Plate Assembly,clutch, cataloged under National Stock Number 2520-00-962-8640, is classified within Federal Supply Class 2520 (Vehicular Power Transmission Components) of the Vehicular Equipment Components group. The manufacturer of record is Perfection Clutch. 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2520-00-962-8640 |
| Primary Part Number | PL255 |
| Item Name | Pressure Plate Assembly,clutch |
| FSC / FSG | 2520 / 25 — Vehicular Power Transmission Components |
| Manufacturer | Perfection Clutch |
| Status | ACTIVE |
| Material | STEEL |
| 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 |
|---|---|
| PL255 | Perfection Clutch (USA) |
| Reference | Meaning |
|---|---|
| 2792399 | 5/9 Secondary reference General Motors Corp |
| 3788213 | 5/9 Secondary reference General Motors Corp Electro-Motive Div |
| 3788213 | 5/9 Secondary reference General Motors Corp |
| 3992287 | 3/9 Design control — primary reference General Motors Corp Electro-Motive Div |
NSN 2520-00-962-8640 is a Pressure Plate Assembly,clutch, manufactured by Perfection Clutch, classified under FSC 2520, Vehicular Power Transmission Components. Status: active.
NSN 2520-00-962-8640 has 1 manufacturer part number on file: PL255 (Perfection Clutch).
Key specifications for PL255: Special Features: 10 IN. NOM CLUTCH SIZE;3 MTG HOLES THDED 5/16 IN.-16 UNC R.H.THD,SPACED 120 DEG APART ON 10.875 IN. DIA BOLT CIRCLE;1.222 IN. THK;5.875 IN. ID;MTG HOLES ARE IN EQUALLY SPACED EARS WHICH ARE 0.900 IN. W AT OUTER EDGE AND 2.900 IN. DISTANCE FROM OUTER EDGE TO ID IN; Material: STEEL. 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.