The Shaft,shouldered, cataloged under National Stock Number 3040-01-121-1615, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-121-1615 |
| Item Name | Shaft,shouldered |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 6C50B-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3040-01-121-1615 is a Shaft,shouldered, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
Key specifications for 3040-01-121-1615: Special Features: MHU-174/E; End Item Identification: MATERIAL, STEEL BAR; PLAIN 1ST END; DIA, 1.2500 IN NOM; FLATTED 2ND END, 0.0300 IN MAX FLAT DP, 0.375 IN MIN FLAT LG, 0.2490 IN MIN, 0.2500 IN MAX DIA, 1.250 IN NOM LARGEST STEP DIA, 2.125 IN NOM O/A LG, 2 STEPS; 1ST END CONTAINS HOLE, 0.624 IN MIN, 0.626 IN MAX DIA, 1.250 IN NOM DP; KEY, 1.125 IN NOM LG, 0.188 IN MIN,0.189 IN MAX W; 2CROSS DRILLED HOLES, 8-32, UNC 1ST HOLE THD LOCATED 0.500 IN NOM FROM CENTER OF HOLE TO END OF SHAFT, 2ND HOLE, 0.250 IN NOM DIA LOCATER 1.125 IN NOM FROM CENTER OF HOLE TO END OF SHAFT IN. 0 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.