The Pressure Plate Assembly,clutch, cataloged under National Stock Number 2520-00-471-8281, 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 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2520-00-471-8281 |
| Primary Part Number | CA5505 |
| 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 |
|---|---|
| CA5505 | Perfection Clutch (USA) |
| 3884598 | General Motors Llc Dba General Motors Llc (USA) |
| Reference | Meaning |
|---|---|
| 2889326 | 5/9 Secondary reference General Motors Corp |
| 3860360 | 5/9 Secondary reference General Motors Corp |
| 3893236 | 5/9 Secondary reference General Motors Corp |
| 165552 | 3/9 Design control — primary reference U.S. Government activity |
| 3884598 | 5/9 Secondary reference General Motors Corp Chevrolet Motor Div Special Products Dept |
NSN 2520-00-471-8281 is a Pressure Plate Assembly,clutch, manufactured by Perfection Clutch, classified under FSC 2520, Vehicular Power Transmission Components. Status: active.
NSN 2520-00-471-8281 has 2 manufacturer part numbers on file: CA5505 (Perfection Clutch), 3884598 (General Motors Llc Dba General Motors Llc).
1 possible match (shared part number, not a government interchangeability claim): 6150-01-631-1528. Verify interchangeability with system specifications before substitution.
Key specifications for CA5505: Special Features: C/O COVER,PRESSURE PLATE,18 EA FINGER SPRINGS,2 RETAINING RINGS AND ATTACHING HARDWARE;11 IN. NOM CLUTCH SIZE;2.594 IN. O/A LG;13.500 IN. OD;6 MTG HOLES 0.375 IN. DIA ON 12.625 IN. BOLT CIRCLE 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.