The Gear Assembly,speed Decreaser, cataloged under National Stock Number 3010-01-322-8365, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Appleton Marine Inc. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 3010-01-322-8365 |
| Primary Part Number | YMD-5583R 02-20-47411-181 |
| Item Name | Gear Assembly,speed Decreaser |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | Appleton Marine Inc |
| Status | ACTIVE |
| Total Ratio | 1 TO 1 |
| 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 |
|---|---|
| YMD-5583R 02-20-47411-181 PRIMARY | Appleton Marine Inc (USA) |
| Reference | Meaning |
|---|---|
| 02-20-47411/47420-181 | 5/2 Secondary reference U.S. Government activity |
NSN 3010-01-322-8365 is a Gear Assembly,speed Decreaser, manufactured by Appleton Marine Inc, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-01-322-8365 has 1 manufacturer part number on file: YMD-5583R 02-20-47411-181 (Appleton Marine Inc).
2 possible matches (shared part number, not a government interchangeability claim): 3020-01-325-8245, 3020-01-325-8246. Verify interchangeability with system specifications before substitution.
Key specifications for YMD-5583R 02-20-47411-181: Total Ratio: 1 TO 1. 1 specification is 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.