The Gear Assembly,spur, cataloged under National Stock Number 3020-01-159-4358, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Precision Gear Industries Llc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-159-4358 |
| Primary Part Number | 42312-142 |
| Item Name | Gear Assembly,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Precision Gear Industries Llc |
| 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 |
|---|---|
| 42312-142 | Precision Gear Industries Llc (USA) |
| 42312-142 | Pcx Aerosystems-Manchester, Llc Dba Pcx Aerosystems - Manchester Llc (USA) |
| Reference | Meaning |
|---|---|
| 42312-142 | 3/2 Design control — primary reference U.S. Government activity |
| 42312E142 | 5/9 Secondary reference U.S. Government activity |
| 42312E142 | 5/9 Secondary reference Precision Gear Industries Llc |
NSN 3020-01-159-4358 is a Gear Assembly,spur, manufactured by Precision Gear Industries Llc, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-159-4358 has 2 manufacturer part numbers on file: 42312-142 (Precision Gear Industries Llc), 42312-142 (Pcx Aerosystems-Manchester, Llc Dba Pcx Aerosystems - Manchester Llc).
Key specifications for 42312-142: End Item Identification: ACFT MODEL F-18. 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.