The Cover,bearing, cataloged under National Stock Number 2520-00-433-2218, is classified within Federal Supply Class 2520 (Vehicular Power Transmission Components) of the Vehicular Equipment Components group. The manufacturer of record is Meritor Heavy Vehicle Systems, Llc. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government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 | 2520-00-433-2218 |
| Primary Part Number | 3866H346 |
| Item Name | Cover,bearing |
| FSC / FSG | 2520 / 25 — Vehicular Power Transmission Components |
| Manufacturer | Meritor Heavy Vehicle Systems, Llc |
| Status | ACTIVE |
| General Characteristics Item Description | CAST IRON,PEARLITIC,5.125 IN. OD,4.875 IN. BOLT HOLE CENTER LINE DIA,COVER 0.188 IN. THK,6 HOLES 0.469 IN. DIA,RECESS DEPTH OF COVER 0.750 IN. IN |
| 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 |
|---|---|
| 3866H346 PRIMARY | Meritor Heavy Vehicle Systems, Llc (USA) |
| Reference | Meaning |
|---|---|
| 73240 | 5/9 Secondary reference U.S. Government activity |
| 187295R1 | 5/2 Secondary reference U.S. Government activity |
| 322140 | 5/9 Secondary reference Daf Trucks N.v. |
NSN 2520-00-433-2218 is a Cover,bearing, manufactured by Meritor Heavy Vehicle Systems, Llc, classified under FSC 2520, Vehicular Power Transmission Components. Status: active.
NSN 2520-00-433-2218 has 1 manufacturer part number on file: 3866H346 (Meritor Heavy Vehicle Systems, Llc).
5 possible matches (shared part number, not a government interchangeability claim): 2530-00-844-9671, 5305-01-397-6493, 5307-01-477-2256. Verify interchangeability with system specifications before substitution.
Key specifications for 3866H346: General Characteristics Item Description: CAST IRON,PEARLITIC,5.125 IN. OD,4.875 IN. BOLT HOLE CENTER LINE DIA,COVER 0.188 IN. THK,6 HOLES 0.469 IN. DIA,RECESS DEPTH OF COVER 0.750 IN. IN; End Item Identification: HARNISCHFEGER CORP.;MODEL M320T2,CRANE TRUCK MOUNTED,NSN3810-00-151-4431. 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.