The Gearshaft,bevel, cataloged under National Stock Number 3040-00-027-4944, 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 16 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3040-00-027-4944 |
| Primary Part Number | B51-8089-01 |
| Item Name | Gearshaft,bevel |
| 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 | SHOULDERED |
| Shaft Material | STEEL COMP 440C OR STEEL COMP 440F |
| Shaft Largest Diameter | 0.399 INCHES MINIMUM AND 0.401 INCHES MAXIMUM IN |
| Shaft End Size | 0.188 INCHES IN |
| Teeth Quantity | 44 |
| Pitch Angle | 90.0000 DEGREES |
| Tooth Direction | RIGHT |
| Diametral Pitch | 31 |
| Teeth Type | SPIRAL |
| Gear Outside Diameter | 1.500 INCHES NOMINAL IN |
| Gear Material | COPPER ALLOY |
| Shaft Length | 4.000 INCHES NOMINAL IN |
| Shaft End Type | PLAIN |
| Gear Location on Shaft | ON END OF SHAFT |
| Pressure Angle | 10.0000 DEGREES AND 30.0000 DEGREES |
| Face Width | 0.150 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 |
|---|---|
| 392-1617 | L3harris Technologies, Inc. Dba Harris Corp Div Harris Defense Communications (USA) |
| B51-8089-01 PRIMARY | Illinois Tool Works Inc Dba Illinois Tool Works Inc Div Itw Heartland (USA) |
| Reference | Meaning |
|---|---|
| B51-8089-01 | 5/9 Secondary reference Illinois Tool Works Inc |
NSN 3040-00-027-4944 is a Gearshaft,bevel, 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 3040-00-027-4944 has 2 manufacturer part numbers on file: 392-1617 (L3harris Technologies, Inc. Dba Harris Corp Div Harris Defense Communications), B51-8089-01 (Illinois Tool Works Inc Dba Illinois Tool Works Inc Div Itw Heartland).
Key specifications for B51-8089-01: Shaft Type: SHOULDERED; Shaft Material: STEEL COMP 440C OR STEEL COMP 440F; Shaft Largest Diameter: 0.399 INCHES MINIMUM AND 0.401 INCHES MAXIMUM IN; Shaft End Size: 0.188 INCHES IN. 16 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.