The Gearshaft,spur, cataloged under National Stock Number 3040-01-183-0584, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Tempco Engineering Inc Dba Lmi Aerospace. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3040-01-183-0584 |
| Primary Part Number | 7-217221108 |
| Item Name | Gearshaft,spur |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Tempco Engineering Inc Dba Lmi Aerospace |
| Status | ACTIVE |
| Shaft Type | STRAIGHT |
| Shaft Material | STEEL |
| Shaft End Size | 0.180 INCHES IN |
| Shaft Diameter | 0.180 INCHES NOMINAL IN |
| Teeth Quantity | 12 |
| Diametral Pitch | 48 |
| Gear Outside Diameter | 0.292 INCHES NOMINAL IN |
| Gear Material | STEEL |
| Shaft End Type | SLOTTED |
| Gear Location on Shaft | ON END OF SHAFT |
| Pressure Angle | 20.0000 DEGREES |
| Face Width | 0.120 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 |
|---|---|
| S1999ZR0431 | Designatronics Incorporated Div Sterling Instruments Div (USA) |
| 7-217221108 PRIMARY | Tempco Engineering Inc Dba Lmi Aerospace (USA) |
| 7-217221108 PRIMARY | The Boeing Company (USA) |
| Reference | Meaning |
|---|---|
| 7-217221108 | 5/9 Secondary reference Designatronics Incorporated Div Sterling Instruments Div |
| 7-217221108 | 5/9 Secondary reference Mcdonnell Douglas Helicopter Co Inc |
| 7-217221108 | 5/9 Secondary reference Trivent Engineering, Incorporated Div Trivent Engineering Inc. |
NSN 3040-01-183-0584 is a Gearshaft,spur, manufactured by Tempco Engineering Inc Dba Lmi Aerospace, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-183-0584 has 3 manufacturer part numbers on file: S1999ZR0431 (Designatronics Incorporated Div Sterling Instruments Div), 7-217221108 (Tempco Engineering Inc Dba Lmi Aerospace), 7-217221108 (The Boeing Company).
Key specifications for 7-217221108: Shaft Type: STRAIGHT; Shaft Material: STEEL; Shaft End Size: 0.180 INCHES IN; Shaft Diameter: 0.180 INCHES NOMINAL IN. 12 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.