The Gearshaft,helical, cataloged under National Stock Number 3040-00-816-6350, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Army, United States Department of the Dba Rock Island Arsenal Jmtc. Government technical data includes 18 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-816-6350 |
| Primary Part Number | 10888208 |
| Item Name | Gearshaft,helical |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Army, United States Department of the Dba Rock Island Arsenal Jmtc |
| Status | ACTIVE |
| Shaft Type | SHOULDERED |
| Shaft Material | STEEL COMP 4140 AND STEEL COMP 8740 |
| Helix Angle | 20.0000 DEGREES |
| Shaft Largest Diameter | 2.188 INCHES NOMINAL IN |
| Shaft End Size | 1.7083 INCHES AND 1.7670 INCHES IN |
| Teeth Quantity | 25 |
| Tooth Direction | RIGHT |
| Diametral Pitch | 4 |
| Teeth Type | SINGLE HELIX |
| Gear Outside Diameter | 7.051 INCHES NOMINAL IN |
| Longer Shaft Segment Length | 6.375 INCHES NOMINAL IN |
| Hardness Rating | 30.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM OVERALL |
| Gear Material | STEEL COMP 4140 AND STEEL COMP 8740 |
| Shaft Length | 11.812 INCHES NOMINAL IN |
| Shaft End Type | SPLINED INVOLUTE AND THREADED EXTERNAL |
| Gear Location on Shaft | OFF CENTER BETWEEN ENDS OF SHAFT |
| Pressure Angle | 25.0000 DEGREES |
| Face Width | 5.250 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 10888208 PRIMARY | Army, United States Department of the Dba Rock Island Arsenal Jmtc (USA) |
| Reference | Meaning |
|---|---|
| 3040008166350 | 5/9 Secondary reference E.c.a Etablissement Centrald'approvisionnement Des Forces Armee |
NSN 3040-00-816-6350 is a Gearshaft,helical, manufactured by Army, United States Department of the Dba Rock Island Arsenal Jmtc, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-816-6350 has 1 manufacturer part number on file: 10888208 (Army, United States Department of the Dba Rock Island Arsenal Jmtc).
Key specifications for 10888208: Shaft Type: SHOULDERED; Shaft Material: STEEL COMP 4140 AND STEEL COMP 8740; Helix Angle: 20.0000 DEGREES; Shaft Largest Diameter: 2.188 INCHES NOMINAL IN. 18 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.