The Stop Assembly,inertia Dump, cataloged under National Stock Number 1680-01-073-3842, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories group. The manufacturer of record is Hornet Acquisitionco, Llc Dba Onboard Systems. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 1680-01-073-3842 |
| Primary Part Number | 42305-236 |
| Item Name | Stop Assembly,inertia Dump |
| FSC / FSG | 1680 / 16 — Miscellaneous Aircraft Accessories and Components |
| Manufacturer | Hornet Acquisitionco, Llc Dba Onboard Systems |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL,AMS6415 COMP 4340; ROCKWELL C SCALE 34 MIN,38 MAX HARDNESS; EXTERNAL SPLINES,49 TEETH,30 DEG PRESSURE ANGLE,1.039 IN. MIN,1.042 IN. MAX MAJOR OD,1.0208 IN. NOM PITCH DIA,0.175 IN. MIN,0.180 IN. MAX LG SPLINES; 0.350 IN. MIN,0.360 IN. MAX O/A LG IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 42305-236 PRIMARY | Hornet Acquisitionco, Llc Dba Onboard Systems (USA) |
| Reference | Meaning |
|---|---|
| 42305E236 | 5/9 Secondary reference U.S. Government activity |
| 42305-236 | 5/9 Secondary reference Goodrich Corporation Dba Trw Lucas Aerospace |
NSN 1680-01-073-3842 is a Stop Assembly,inertia Dump, manufactured by Hornet Acquisitionco, Llc Dba Onboard Systems, classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
NSN 1680-01-073-3842 has 1 manufacturer part number on file: 42305-236 (Hornet Acquisitionco, Llc Dba Onboard Systems).
Key specifications for 42305-236: General Characteristics Item Description: STEEL,AMS6415 COMP 4340; ROCKWELL C SCALE 34 MIN,38 MAX HARDNESS; EXTERNAL SPLINES,49 TEETH,30 DEG PRESSURE ANGLE,1.039 IN. MIN,1.042 IN. MAX MAJOR OD,1.0208 IN. NOM PITCH DIA,0.175 IN. MIN,0.180 IN. MAX LG SPLINES; 0.350 IN. MIN,0.360 IN. MAX O/A LG 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 1680-01-073-3842 has DEMIL Code B. 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.