The Shaft, cataloged under National Stock Number 2520-01-042-8674, is classified within Federal Supply Class 2520 (Vehicular Power Transmission Components) of the Vehicular Equipment Components group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2520-01-042-8674 |
| Item Name | Shaft |
| FSC / FSG | 2520 / 25 — Vehicular Power Transmission Components |
| Status | ACTIVE |
| General Characteristics Item Description | MATERIAL STEEL,HEAT TREAT-CARBURIZE 0.030-0.040,HARDEN ROCKWELL C 59-62,ONE END 1-1/4-18 NEF-3 THD PD 1.2139-1.2102,OTHER END 18 THEETH 20 PA 6 PITCH EXCEPT ADDENDUM AND DEDEND UM,W/0.0150-0.0196 BACKLASH,10-3/8 IN. O/A 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 |
| Reference | Meaning |
|---|---|
| 3-P-438 | 3/2 Design control — primary reference U.S. Government activity |
NSN 2520-01-042-8674 is a Shaft, classified under FSC 2520, Vehicular Power Transmission Components. Status: active.
Key specifications for 2520-01-042-8674: General Characteristics Item Description: MATERIAL STEEL,HEAT TREAT-CARBURIZE 0.030-0.040,HARDEN ROCKWELL C 59-62,ONE END 1-1/4-18 NEF-3 THD PD 1.2139-1.2102,OTHER END 18 THEETH 20 PA 6 PITCH EXCEPT ADDENDUM AND DEDEND UM,W/0.0150-0.0196 BACKLASH,10-3/8 IN. O/A 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.