The Gearshaft,worm Wheel, cataloged under National Stock Number 3040-00-131-0622, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 18 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-131-0622 |
| Primary Part Number | 177925PC8 |
| Item Name | Gearshaft,worm Wheel |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Shaft Type | SHOULDERED |
| Shaft Material | STEEL |
| Helix Angle | 26.1200 DEGREES |
| Shaft Largest Diameter | 0.218 INCHES NOMINAL IN |
| Shaft End Size | 0.187 INCHES IN |
| Teeth Quantity | 29 |
| Tooth Direction | RIGHT |
| Diametral Pitch | 30 |
| Face Type | STRAIGHT |
| Gear Outside Diameter | 0.218 INCHES NOMINAL IN |
| Longer Shaft Segment Length | 2.820 INCHES NOMINAL IN |
| Gear Material | STEEL |
| Shaft Length | 3.100 INCHES NOMINAL IN |
| Shaft End Type | PLAIN |
| Gear Location on Shaft | OFF CENTER BETWEEN ENDS OF SHAFT |
| Pressure Angle | 20.0000 DEGREES |
| Face Width | 0.187 INCHES NOMINAL IN |
| Mating Thread Lead Quantity | 6 |
| 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 |
|---|---|
| 177925PC8 | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
| 177925PC8 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| 177925 | D/9 Drawing number reference only Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
NSN 3040-00-131-0622 is a Gearshaft,worm Wheel, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-131-0622 has 2 manufacturer part numbers on file: 177925PC8 (Lockheed Martin Corporation Div Rms - Mitchel Field), 177925PC8 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
1 possible match (shared part number, not a government interchangeability claim): 3040-00-177-0736. Verify interchangeability with system specifications before substitution.
Key specifications for 177925PC8: Shaft Type: SHOULDERED; Shaft Material: STEEL; Helix Angle: 26.1200 DEGREES; Shaft Largest Diameter: 0.218 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.