The Pressure Plate Assembly,clutch, cataloged under National Stock Number 2520-00-008-9987, 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 4 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2520-00-008-9987 |
| Primary Part Number | 23017763 |
| Item Name | Pressure Plate Assembly,clutch |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 993543C | Uro Vehiculos Especiales Sa (ESP) |
| 23017763 PRIMARY | Allison Transmission Inc Dba Allison Transmission, Inc (USA) |
| 23018084 | Hema Disli Sanayi Ve Tic.a.s. (TUR) |
| 993543 | Uro Vehiculos Especiales Sa (ESP) |
| Reference | Meaning |
|---|---|
| 8661575 | 5/9 Secondary reference General Motors Llc Dba General Motors Llc |
| 8661575 | 5/9 Secondary reference General Motors Corp Chevrolet Motor Div Special Products Dept |
| 8623122 | 5/9 Secondary reference General Motors Corp Chevrolet Motor Div Special Products Dept |
| 23018084 | C/1 Advisory reference — outside the item-of-supply concept Allison Transmission Inc Dba Allison Transmission, Inc |
| 8623122 | 5/9 Secondary reference Allison Transmission Inc Dba Allison Transmission, Inc |
NSN 2520-00-008-9987 is a Pressure Plate Assembly,clutch, manufactured by Allison Transmission Inc Dba Allison Transmission, Inc, classified under FSC 2520, Vehicular Power Transmission Components. Status: active.
NSN 2520-00-008-9987 has 4 manufacturer part numbers on file: 993543C (Uro Vehiculos Especiales Sa), 23017763 (Allison Transmission Inc Dba Allison Transmission, Inc), 23018084 (Hema Disli Sanayi Ve Tic.a.s.), 993543 (Uro Vehiculos Especiales Sa).
2 possible matches (shared part number, not a government interchangeability claim): 5330-00-834-8526, 2520-01-214-9410. Verify interchangeability with system specifications before substitution.
Key specifications for 23017763: Special Features: SINTERED IRON,6.270/6.280 IN. OD,4.570 IN. ID,SPLINE DATA:14 TEETH STRAIGHT SIDE,0.437/0.443 IN. EFFECTIVE TOOTH THK,0.434/0.438 IN. TOOTH THK IN. 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.