The Gear Sector,spur, cataloged under National Stock Number 3020-01-464-6286, 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 Superior Motion Controls, Inc. Dba Superior Motion Controls. Government technical data includes 15 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3020-01-464-6286 |
| Primary Part Number | 881522-1 |
| Item Name | Gear Sector,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Superior Motion Controls, Inc. Dba Superior Motion Controls |
| Status | ACTIVE |
| Bore Nominal Diameter | 1.8138 INCHES FIRST END IN |
| Teeth Quantity | 156 |
| Nominal Outside Radius | 3.2915 INCHES IN |
| Bore Style | PLAIN FIRST END |
| Precision Classification | QUALITY NUMBER 12 |
| Hardness Rating | 55.0 ROCKWELL C MINIMUM AND 60.0 ROCKWELL C MAXIMUM BODY |
| Style Designator | HUBLESS, RECESSED BODY |
| Tooth Form | STANDARD |
| Arc Nominal Length | 4.280 INCHES IN |
| Surface Treatment | LUBRICANT DRY FILM AND PASSIVATE BODY |
| Pitch Radius | 3.2500 INCHES NOMINAL IN |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL COMP 440C BODY |
| Body Recess Nominal Depth | 0.250 INCHES BETWEEN BODY AND FLANGE IN |
| Face Nominal Width | 0.625 INCHES IN |
| 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 |
|---|---|
| 881522-1 PRIMARY | Superior Motion Controls, Inc. Dba Superior Motion Controls (USA) |
| Reference | Meaning |
|---|---|
| 881522 | D/9 Drawing number reference only Drs Sustainment Systems, Inc. |
| 881522-1 | 5/9 Secondary reference Drs Sustainment Systems, Inc. |
NSN 3020-01-464-6286 is a Gear Sector,spur, manufactured by Superior Motion Controls, Inc. Dba Superior Motion Controls, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-464-6286 has 1 manufacturer part number on file: 881522-1 (Superior Motion Controls, Inc. Dba Superior Motion Controls).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-633-4053. Verify interchangeability with system specifications before substitution.
Key specifications for 881522-1: Bore Nominal Diameter: 1.8138 INCHES FIRST END IN; Teeth Quantity: 156; Nominal Outside Radius: 3.2915 INCHES IN; Bore Style: PLAIN FIRST END. 15 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.