The Gear Assembly,speed Decreaser, cataloged under National Stock Number 3010-01-073-6030, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Ontic Engineering & Manufacturing, Inc Dba Ontic Us. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 3010-01-073-6030 |
| Primary Part Number | 484603-1 |
| Item Name | Gear Assembly,speed Decreaser |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | Ontic Engineering & Manufacturing, Inc Dba Ontic Us |
| Status | ACTIVE |
| Design Type | QUADRUPLE REDUCTION |
| Total Ratio | 1396.25 TO 1 |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 484603-1 | Ontic Engineering & Manufacturing Uk Limited Div Ontic Engineering and Manufacturing Uk Limited (GBR) |
| 484603-1 PRIMARY | Ontic Engineering & Manufacturing, Inc Dba Ontic Us (USA) |
| Reference | Meaning |
|---|---|
| 484603-1 | 5/9 Secondary reference U.S. Government activity |
| 484603 | D/9 Drawing number reference only U.S. Government activity |
NSN 3010-01-073-6030 is a Gear Assembly,speed Decreaser, manufactured by Ontic Engineering & Manufacturing, Inc Dba Ontic Us, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-01-073-6030 has 2 manufacturer part numbers on file: 484603-1 (Ontic Engineering & Manufacturing Uk Limited Div Ontic Engineering and Manufacturing Uk Limited), 484603-1 (Ontic Engineering & Manufacturing, Inc Dba Ontic Us).
2 possible matches (shared part number, not a government interchangeability claim): 3010-01-073-6031, 3120-01-425-9877. Verify interchangeability with system specifications before substitution.
Key specifications for 484603-1: Design Type: QUADRUPLE REDUCTION; Total Ratio: 1396.25 TO 1. 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.
NSN 3010-01-073-6030 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.