The Gear,helical, cataloged under National Stock Number 3020-00-273-4162, 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 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 17 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-273-4162 |
| Primary Part Number | 265896PC170 |
| Item Name | Gear,helical |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Keyway Nominal Width | 0.188 INCHES BOTH ENDS IN |
| Bore Nominal Diameter | 0.996 INCHES BOTH ENDS IN |
| Helix Angle | 9.0000 DEGREES |
| Teeth Quantity | 13 |
| Body Style | PLAIN, SOLID |
| Tooth Direction | LEFT |
| Bore Style | W/ KEYWAY BOTH ENDS |
| Teeth Type | SINGLE HELIX |
| Style Designator | HUBLESS |
| Material Document and Classification | MIL-S-6736,TYPE 1,COND A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 1.9995 INCHES MINIMUM AND 2.0000 INCHES MAXIMUM IN |
| Tooth Form | STANDARD |
| Nominal Outside Diameter | 2.253 INCHES IN |
| Nominal Distance From Bore Center to Keyway Bottom | 0.592 INCHES BOTH ENDS IN |
| Pressure Angle | 34.0000 DEGREES |
| Material | STEEL COMP 4130 OVERALL |
| Face Nominal Width | 3.297 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 |
|---|---|
| 265896PC170 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
NSN 3020-00-273-4162 is a Gear,helical, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-00-273-4162 has 1 manufacturer part number on file: 265896PC170 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 265896PC170: Keyway Nominal Width: 0.188 INCHES BOTH ENDS IN; Bore Nominal Diameter: 0.996 INCHES BOTH ENDS IN; Helix Angle: 9.0000 DEGREES; Teeth Quantity: 13. 17 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.