The Carrier,planet Gear,gearbox, cataloged under National Stock Number 1680-00-237-9228, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories group. The manufacturer of record is Ontic Engineering & Manufacturing, Inc Dba Ontic Us. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1680-00-237-9228 |
| Primary Part Number | 2040389-1 |
| Item Name | Carrier,planet Gear,gearbox |
| FSC / FSG | 1680 / 16 — Miscellaneous Aircraft Accessories and Components |
| Manufacturer | Ontic Engineering & Manufacturing, Inc Dba Ontic Us |
| Status | ACTIVE |
| General Characteristics Item Description | CRES PER MAS5355,ROCKWELL C 28-36 HARDNESS RATING,1.250 IN. MIN,1.270 IN. MAX O/A LG,0.855 IN. MIN,0.860 IN. MAX ID SMALL END,THREE0.3125 IN. MIN,0.3130 IN. MAX DIA GEAR PIN HOLES THRU FACE WALL 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 |
| Part Number | Manufacturer |
|---|---|
| 2040389-1 PRIMARY | Ontic Engineering & Manufacturing, Inc Dba Ontic Us (USA) |
| Reference | Meaning |
|---|---|
| 2040389-1 | 3/9 Design control — primary reference Honeywell International Inc. Div Aerospace - Torrance |
| 2040389-1 | 5/9 Secondary reference Moog Military Aircraft Llc |
NSN 1680-00-237-9228 is a Carrier,planet Gear,gearbox, manufactured by Ontic Engineering & Manufacturing, Inc Dba Ontic Us, classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
NSN 1680-00-237-9228 has 1 manufacturer part number on file: 2040389-1 (Ontic Engineering & Manufacturing, Inc Dba Ontic Us).
Key specifications for 2040389-1: General Characteristics Item Description: CRES PER MAS5355,ROCKWELL C 28-36 HARDNESS RATING,1.250 IN. MIN,1.270 IN. MAX O/A LG,0.855 IN. MIN,0.860 IN. MAX ID SMALL END,THREE0.3125 IN. MIN,0.3130 IN. MAX DIA GEAR PIN HOLES THRU FACE WALL IN. 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.
NSN 1680-00-237-9228 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.