The Gearshaft,spur, cataloged under National Stock Number 3040-01-309-8170, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Rexnord Industries Llc. Government technical data includes 2 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 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 | 3040-01-309-8170 |
| Primary Part Number | 221164 |
| Item Name | Gearshaft,spur |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Rexnord Industries Llc |
| Status | ACTIVE |
| Shaft Material | STEEL |
| Gear Material | STEEL |
| 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 |
|---|---|
| 221164 PRIMARY | Rexnord Industries Llc (USA) |
| 333-146 REF 4A3 | Rexnord Industries Llc (USA) |
NSN 3040-01-309-8170 is a Gearshaft,spur, manufactured by Rexnord Industries Llc, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-309-8170 has 2 manufacturer part numbers on file: 221164 (Rexnord Industries Llc), 333-146 REF 4A3 (Rexnord Industries Llc).
1 possible match (shared part number, not a government interchangeability claim): 5920-01-602-0226. Verify interchangeability with system specifications before substitution.
Key specifications for 221164: Shaft Material: STEEL; Gear Material: STEEL; Special Features: LOW SPEED. 2 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.