The Gearshaft,bevel, cataloged under National Stock Number 3040-00-912-0598, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Arrow Gear Llc. Government technical data includes 17 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3040-00-912-0598 |
| Primary Part Number | 547555 |
| Item Name | Gearshaft,bevel |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Arrow Gear Llc |
| Status | ACTIVE |
| Shaft Type | SHOULDERED |
| Shaft Material | STEEL COMP E9310 |
| Shaft Largest Diameter | 0.591 INCHES NOMINAL IN |
| Shaft End Size | 0.563 INCHES IN |
| Teeth Quantity | 19 |
| Pitch Angle | 45.5312 DEGREES |
| Tooth Direction | RIGHT |
| Diametral Pitch | 16.038 |
| Teeth Type | STRAIGHT |
| Gear Outside Diameter | 1.277 INCHES NOMINAL IN |
| Hardness Rating | 81.0 ROCKWELL A MINIMUM AND 85.0 ROCKWELL A MAXIMUM OVERALL |
| Gear Material | STEEL COMP E9310 |
| Shaft Length | 2.210 INCHES NOMINAL IN |
| Shaft End Type | SOCKET SQUARE |
| Gear Location on Shaft | ON END OF SHAFT |
| Pressure Angle | 20.0000 DEGREES |
| Face Width | 0.250 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 3040-00-912-0598 is a Gearshaft,bevel, manufactured by Arrow Gear Llc, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-912-0598 has 2 manufacturer part numbers on file: 547555 (Arrow Gear Llc), 547555 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for 547555: Shaft Type: SHOULDERED; Shaft Material: STEEL COMP E9310; Shaft Largest Diameter: 0.591 INCHES NOMINAL IN; Shaft End Size: 0.563 INCHES IN. 17 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.
NSN 3040-00-912-0598 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.