The Spider,universal Joint,vehicular, cataloged under National Stock Number 2520-01-313-8553, is classified within Federal Supply Class 2520 (Vehicular Power Transmission Components) of the Vehicular Equipment Components group. The manufacturer of record is European American Supply Co. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Spider,universal Joint,vehicular |
| FSC / FSG | 2520 — Vehicular Power Transmission Components (FSG 25) |
| Manufacturers | European American Supply Co (CAGE 0K8B8); Pittsburg Tractor Inc (CAGE 3VDA1) |
| Parameter | Value |
|---|---|
| NSN | 2520-01-313-8553 |
| Primary Part Number | 2961581M91 |
| Item Name | Spider,universal Joint,vehicular |
| FSC / FSG | 2520 / 25 — Vehicular Power Transmission Components |
| Manufacturer | European American Supply Co |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Part Number | Manufacturer |
|---|---|
| 2961581M91 | European American Supply Co (USA) |
| 2961581M91 | Pittsburg Tractor Inc (USA) |
| Reference | Meaning |
|---|---|
| 2961581M91 | 3/9 Design control — primary reference Minnpar, Llc Dba Minnpar |
| 2961581M91 | 5/9 Secondary reference European American Supply Co |
NSN 2520-01-313-8553 is a Spider,universal Joint,vehicular, manufactured by European American Supply Co, classified under FSC 2520, Vehicular Power Transmission Components. Status: active.
NSN 2520-01-313-8553 has 2 manufacturer part numbers on file: 2961581M91 (European American Supply Co), 2961581M91 (Pittsburg Tractor Inc).
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.