The Ring,piston,clutch, cataloged under National Stock Number 2520-00-930-6241, is classified within Federal Supply Class 2520 (Vehicular Power Transmission Components) of the Vehicular Equipment Components group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 2520-00-930-6241 |
| Item Name | Ring,piston,clutch |
| FSC / FSG | 2520 / 25 — Vehicular Power Transmission Components |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL,5.250 IN. OD,4.375 IN.ID,1.875 IN. W,TWO 0.625 IN. HOLES LOCATED 1.062 IN. FROM HOLE CENTERS TO BEVELED EDGE,AND 180 DEG APART,SINGLE OUTER BEVELED EDGE 1/4 IN. BY 30 DEG IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 217269 | 3/2 Design control — primary reference U.S. Government activity |
| 217269 | 5/9 Secondary reference Clark Equipment Co |
NSN 2520-00-930-6241 is a Ring,piston,clutch, classified under FSC 2520, Vehicular Power Transmission Components. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5340-01-646-8443. Verify interchangeability with system specifications before substitution.
Key specifications for 2520-00-930-6241: General Characteristics Item Description: STEEL,5.250 IN. OD,4.375 IN.ID,1.875 IN. W,TWO 0.625 IN. HOLES LOCATED 1.062 IN. FROM HOLE CENTERS TO BEVELED EDGE,AND 180 DEG APART,SINGLE OUTER BEVELED EDGE 1/4 IN. BY 30 DEG IN. 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.