The Gearshaft,helical, cataloged under National Stock Number 3040-00-027-4943, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Illinois Tool Works Inc Dba Illinois Tool Works Inc Div Itw Heartland. Government technical data includes 7 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-027-4943 |
| Primary Part Number | B51-8089-03 |
| Item Name | Gearshaft,helical |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Illinois Tool Works Inc Dba Illinois Tool Works Inc Div Itw Heartland |
| Status | ACTIVE |
| Shaft Type | STRAIGHT |
| Shaft Material | STEEL |
| Shaft Diameter | 0.190 INCHES NOMINAL IN |
| Gear Outside Diameter | 1.500 INCHES NOMINAL IN |
| Gear Material | PLASTIC |
| Shaft End Type | SPLINED STRAIGHT |
| Gear Location on Shaft | MIDPOINT BETWEEN ENDS OF SHAFT |
| 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 |
|---|---|
| B51-8089-03 PRIMARY | Illinois Tool Works Inc Dba Illinois Tool Works Inc Div Itw Heartland (USA) |
| Reference | Meaning |
|---|---|
| B51-8089-03 | 5/9 Secondary reference Illinois Tool Works Inc |
| 392-1616 | 5/9 Secondary reference L3harris Technologies, Inc. Dba Harris Corp Div Harris Defense Communications |
| 392-1616REVA | C/1 Advisory reference — outside the item-of-supply concept L3harris Technologies, Inc. Dba Harris Corp Div Harris Defense Communications |
NSN 3040-00-027-4943 is a Gearshaft,helical, manufactured by Illinois Tool Works Inc Dba Illinois Tool Works Inc Div Itw Heartland, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-027-4943 has 1 manufacturer part number on file: B51-8089-03 (Illinois Tool Works Inc Dba Illinois Tool Works Inc Div Itw Heartland).
Key specifications for B51-8089-03: Shaft Type: STRAIGHT; Shaft Material: STEEL; Shaft Diameter: 0.190 INCHES NOMINAL IN; Gear Outside Diameter: 1.500 INCHES NOMINAL IN. 7 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.