The Roller,governor, cataloged under National Stock Number 3020-01-396-7802, 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 Naval Sea Systems Command. Government technical data includes 3 specifications, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 3020-01-396-7802 |
| Primary Part Number | 803-6397421 PC 43 |
| Item Name | Roller,governor |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Overall Diameter | 2.625 INCHES NOMINAL IN |
| General Characteristics Item Description | 0.625 IN. BORE DIA IN |
| Material | STEEL CORROSION RESISTING |
| 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 |
|---|---|
| 803-6397421 PC 43 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 803-6397421 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 3020-01-396-7802 is a Roller,governor, manufactured by Naval Sea Systems Command, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-396-7802 has 1 manufacturer part number on file: 803-6397421 PC 43 (Naval Sea Systems Command).
2 possible matches (shared part number, not a government interchangeability claim): 2030-01-422-6141, 5310-01-653-4325. Verify interchangeability with system specifications before substitution.
Key specifications for 803-6397421 PC 43: Overall Diameter: 2.625 INCHES NOMINAL IN; General Characteristics Item Description: 0.625 IN. BORE DIA IN; Material: STEEL CORROSION RESISTING. 3 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.