The Gear Sector,spur, cataloged under National Stock Number 3020-01-166-1288, 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 Argon St, Inc.. Government technical data includes 11 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-166-1288 |
| Primary Part Number | 7606-8179-2 |
| Item Name | Gear Sector,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Argon St, Inc. |
| Status | ACTIVE |
| Bore Nominal Diameter | 0.350 INCHES BOTH ENDS IN |
| Hub Nominal Diameter | 1.7800 INCHES FIRST END IN |
| Teeth Quantity | 230 |
| Surface Treatment Document and Classification | QQ-P-35,TYPE 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Bore Style | PLAIN BOTH ENDS |
| Style Designator | PROTRUDING HUB |
| Tooth Form | STANDARD |
| Hub Style Designator | PLAIN FIRST END |
| Surface Treatment | PASSIVATE OVERALL |
| Pressure Angle | 20.0000 DEGREES |
| Face Nominal Width | 0.250 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 |
|---|---|
| 7606-8179-2 PRIMARY | Argon St, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 7606-8179-2 | 5/9 Secondary reference Drs Icas, Llc |
| 7606-8179-2 | 3/9 Design control — primary reference Allied Devices Corp Dba Absolute Precision Co |
| 7606-8179 | D/9 Drawing number reference only Drs Icas, Llc |
NSN 3020-01-166-1288 is a Gear Sector,spur, manufactured by Argon St, Inc., classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-166-1288 has 1 manufacturer part number on file: 7606-8179-2 (Argon St, Inc.).
Key specifications for 7606-8179-2: Bore Nominal Diameter: 0.350 INCHES BOTH ENDS IN; Hub Nominal Diameter: 1.7800 INCHES FIRST END IN; Teeth Quantity: 230; Surface Treatment Document and Classification: QQ-P-35,TYPE 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL. 11 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.