The Spider,universal Joint,constant, cataloged under National Stock Number 2520-00-337-5834, is classified within Federal Supply Class 2520 (Vehicular Power Transmission Components) of the Vehicular Equipment Components group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 2 specifications, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2520-00-337-5834 |
| Primary Part Number | 7348224 |
| Item Name | Spider,universal Joint,constant |
| FSC / FSG | 2520 / 25 — Vehicular Power Transmission Components |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| FSC Application Data | AXLE SHAFTS,UNIVERSAL JOINTS AND DRIVE FLANGE |
| General Characteristics Item Description | STEEL FORGED,6.016 IN. SPHERICAL OD,2.875 IN. THK,SPLINED BORE 2.500 IN. ID,6 THD HOLES 5/16 IN.-18 NC IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 1898S279 | Meritor Heavy Vehicle Systems, Llc (USA) |
| 7348224 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 1898S279 | 5/9 Secondary reference Paccar Government Group Co Yarrow Bay Office Pk |
| 0N33-1 | 5/9 Secondary reference Ex-Cell-O Corp Machine Tool Products Div |
NSN 2520-00-337-5834 is a Spider,universal Joint,constant, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 2520, Vehicular Power Transmission Components. Status: active.
NSN 2520-00-337-5834 has 2 manufacturer part numbers on file: 1898S279 (Meritor Heavy Vehicle Systems, Llc), 7348224 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 7348224: FSC Application Data: AXLE SHAFTS,UNIVERSAL JOINTS AND DRIVE FLANGE; General Characteristics Item Description: STEEL FORGED,6.016 IN. SPHERICAL OD,2.875 IN. THK,SPLINED BORE 2.500 IN. ID,6 THD HOLES 5/16 IN.-18 NC IN; End Item Identification: 2320008358288. 2 specifications are 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.
NSN 2520-00-337-5834 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.