The Retainer,mounting,transmission, cataloged under National Stock Number 2520-00-451-4646, is classified within Federal Supply Class 2520 (Vehicular Power Transmission Components) of the Vehicular Equipment Components group. The manufacturer of record is Goriziane Group Spa. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 2520-00-451-4646 |
| Primary Part Number | 2584809 |
| Item Name | Retainer,mounting,transmission |
| FSC / FSG | 2520 / 25 — Vehicular Power Transmission Components |
| Manufacturer | Goriziane Group Spa |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL,GRADE A,SPEC QQ-S-741 OR STEEL,CARBON,1010 THRU 1025,CF OR CD,SPEC ASTM A108;CADMIUM PLATE TYPE II CL 3 QQ-P-416;2.500 IN. DIA;0.500 IN. THK;1.084 TO 1.094 IN. BORE;MICROINCH FINISH 125 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 2520-00-451-4646 is a Retainer,mounting,transmission, manufactured by Goriziane Group Spa, classified under FSC 2520, Vehicular Power Transmission Components. Status: active.
NSN 2520-00-451-4646 has 2 manufacturer part numbers on file: 2584809 (Goriziane Group Spa), 2584809 (Amz Alabama Inc.).
1 possible match (shared part number, not a government interchangeability claim): 5962-01-373-6592. Verify interchangeability with system specifications before substitution.
Key specifications for 2584809: General Characteristics Item Description: STEEL,GRADE A,SPEC QQ-S-741 OR STEEL,CARBON,1010 THRU 1025,CF OR CD,SPEC ASTM A108;CADMIUM PLATE TYPE II CL 3 QQ-P-416;2.500 IN. DIA;0.500 IN. THK;1.084 TO 1.094 IN. BORE;MICROINCH FINISH 125 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.