The Gearshaft,spur Segment, cataloged under National Stock Number 3040-01-004-2137, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-004-2137 |
| Item Name | Gearshaft,spur Segment |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL,CASEHARDENED,SINGLE PIECE CONSTRUCTION;2.150 IN. O/A LG,2.250 IN. O/A W,71.50 IN. O/A H;GEAR-5 TEETH,22 DEG 30 MIN PRESSURE ANGLE,0.6283 IN. CIRCULAR PITCH,3.1416 IN. ARC LG;ONE END-21.123 IN. MIN 0.125 IN. MAX OD,1.219 IN. LG,INCLUDES A KERF 0.750 IN. LG BY 0.285 IN. DEEP;OTHER END--1.1205 IN. MIN 1.1210 IN. MAX DIA,4.875 IN. LG,INCLUDES THREADED TIP 0.875-14 UNF IN |
| 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 |
|---|---|
| 7812834 | 5/9 Secondary reference General Motors Corp Saginaw Div |
| 923573C1 | 5/9 Secondary reference U.S. Government activity |
| 923573C1 | 5/9 Secondary reference Komatsu American Intl Co |
| 3633422 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3040-01-004-2137 is a Gearshaft,spur Segment, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
Key specifications for 3040-01-004-2137: General Characteristics Item Description: STEEL,CASEHARDENED,SINGLE PIECE CONSTRUCTION;2.150 IN. O/A LG,2.250 IN. O/A W,71.50 IN. O/A H;GEAR-5 TEETH,22 DEG 30 MIN PRESSURE ANGLE,0.6283 IN. CIRCULAR PITCH,3.1416 IN. ARC LG;ONE END-21.123 IN. MIN 0.125 IN. MAX OD,1.219 IN. LG,INCLUDES A KERF 0.750 IN. LG BY 0.285 IN. DEEP;OTHER END--1.1205 IN. MIN 1.1210 IN. MAX DIA,4.875 IN. LG,INCLUDES THREADED TIP 0.875-14 UNF IN; End Item Identification: 2320005798942. 1 specification is 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.