The Gear,helical, cataloged under National Stock Number 3020-01-426-7797, 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 Kockum Products. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-426-7797 |
| Primary Part Number | 32171287 |
| Item Name | Gear,helical |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Kockum Products |
| Status | ACTIVE |
| Material | STEEL OVERALL |
| 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 |
|---|---|
| KSM203E/8605 IT15 | Kockum Sonics Aktiebolag (SWE) |
| 32171287 PRIMARY | Kockum Products (USA) |
| 32171287 | Kockum Sonics Aktiebolag (SWE) |
| Reference | Meaning |
|---|---|
| G291470-2 | C/1 Advisory reference — outside the item-of-supply concept Raytheon Company Div Corp |
| KSM203E/8605 IT15 | 5/9 Secondary reference Kockum Sonics Ab |
| 32171287 | 5/9 Secondary reference Kockum Sonics Ab |
NSN 3020-01-426-7797 is a Gear,helical, manufactured by Kockum Products, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-426-7797 has 3 manufacturer part numbers on file: KSM203E/8605 IT15 (Kockum Sonics Aktiebolag), 32171287 (Kockum Products), 32171287 (Kockum Sonics Aktiebolag).
1 possible match (shared part number, not a government interchangeability claim): 5962-01-436-7797. Verify interchangeability with system specifications before substitution.
Key specifications for 32171287: End Item Identification: STRATEGIC SEALIFT CONVERSION SHIPS CLASS; Material: STEEL OVERALL. 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.