The Clutch Assembly,drive,fan, cataloged under National Stock Number 2520-00-040-0414, is classified within Federal Supply Class 2520 (Vehicular Power Transmission Components) of the Vehicular Equipment Components group. The manufacturer of record is Renk America Llc Div Renk America. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2520-00-040-0414 |
| Primary Part Number | 525255 |
| Item Name | Clutch Assembly,drive,fan |
| FSC / FSG | 2520 / 25 — Vehicular Power Transmission Components |
| Manufacturer | Renk America Llc Div Renk America |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL SPEC MIL-S-13048 COMP 8615-8620 OR 8720 MATL OF HUB,STEEL SPEC QQ-S-698 MATL OF DISC,STEEL SPEC QQ-S-635 COMP 1020 OR 1035 MATL OF ADAPTER,11.620 IN. OD OF ADAPTER,0.160 IN. ADAPTER FLANGE THK,26 BOLT HOLES IN FLANGE ON 11.000 IN. BC DIA,0.342 IN. DIA HOLES UNEQUALLY SPACED,INTERNAL SLOT TYPE DISC,9.310 IN. LARGE OD OF DISC,0.090 IN. DISK THK,6.660 IN. SMALLEST ID OF DISK,10 EQUALLY SPACED SLOTS 1.596 IN. W BY 0.195 IN. DEEP,INTEGRAL HUB INCL,3.490 IN. O/A LG OF HUB,27 INVOLUTE SPLINE IN HUB,3.833 IN. MINOR DIA,4.000 IN. PITCH DIA,4.124 IN. MAJOR DIA,0.820 IN. SPLINE LG IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
NSN 2520-00-040-0414 is a Clutch Assembly,drive,fan, manufactured by Renk America Llc Div Renk America, classified under FSC 2520, Vehicular Power Transmission Components. Status: active.
NSN 2520-00-040-0414 has 2 manufacturer part numbers on file: 8344515 (U S Army Tank Automotive Command Amsta-Im-Mm), 525255 (Renk America Llc Div Renk America).
Key specifications for 525255: General Characteristics Item Description: STEEL SPEC MIL-S-13048 COMP 8615-8620 OR 8720 MATL OF HUB,STEEL SPEC QQ-S-698 MATL OF DISC,STEEL SPEC QQ-S-635 COMP 1020 OR 1035 MATL OF ADAPTER,11.620 IN. OD OF ADAPTER,0.160 IN. ADAPTER FLANGE THK,26 BOLT HOLES IN FLANGE ON 11.000 IN. BC DIA,0.342 IN. DIA HOLES UNEQUALLY SPACED,INTERNAL SLOT TYPE DISC,9.310 IN. LARGE OD OF DISC,0.090 IN. DISK THK,6.660 IN. SMALLEST ID OF DISK,10 EQUALLY SPACED SLOTS 1.596 IN. W BY 0.195 IN. DEEP,INTEGRAL HUB INCL,3.490 IN. O/A LG OF HUB,27 INVOLUTE SPLINE IN HUB,3.833 IN. MINOR DIA,4.000 IN. PITCH DIA,4.124 IN. MAJOR DIA,0.820 IN. SPLINE LG 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.