The Gearshaft,spur, cataloged under National Stock Number 3040-00-972-8481, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Dressta North America Ltd. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-00-972-8481 |
| Primary Part Number | 49943 |
| Item Name | Gearshaft,spur |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Dressta North America Ltd |
| Status | ACTIVE |
| 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 |
|---|---|
| 49943 PRIMARY | Dressta North America Ltd (USA) |
| Reference | Meaning |
|---|---|
| RG49943 | 5/9 Secondary reference Komatsu America Corporation |
| 49943 | 5/9 Secondary reference Komatsu America Corporation |
NSN 3040-00-972-8481 is a Gearshaft,spur, manufactured by Dressta North America Ltd, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-972-8481 has 1 manufacturer part number on file: 49943 (Dressta North America Ltd).
3 possible matches (shared part number, not a government interchangeability claim): 2935-01-132-1803, 4820-01-226-1578, 5330-01-307-8658. Verify interchangeability with system specifications before substitution.
Key specifications for 49943: Special Features: 15 DIAMETRAL PITCH,0.5783 WHOLE DEPTH,0.0160 PITCH DIA,1.500 PRESSURE ANGLE. 0 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.