The Gear,helical, cataloged under National Stock Number 3020-00-275-0984, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Cooper Machinery Services Llc. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 3020-00-275-0984 |
| Primary Part Number | 75323 |
| Item Name | Gear,helical |
| FSC / FSG | 3020 / 30 — No Item Name Available |
| Manufacturer | Cooper Machinery Services Llc |
| Status | CANCELLED |
| Teeth Quantity | 21 |
| Tooth Direction | RIGHT |
| Keyway Nominal Width | 0.312 INCHES BOTH ENDS IN |
| Material | STEEL COMP 3145 OVERALL |
| Hub Nominal Diameter | 0.062 INCHES BOTH ENDS IN |
| Bore Style | W/ KEYWAY BOTH ENDS |
| Style Designator | PROTRUDING HUBS |
| Pitch Diameter | 3.7250 INCHES NOMINAL IN |
| Material Document and Classification | FED STD 66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Distance From Bore Center to Keyway Bottom | 0.7803 INCHES BOTH ENDS IN |
| Nominal Outside Diameter | 4.0580 INCHES IN |
| Pressure Angle | 14.5000 DEGREES |
| Nominal Distance Between Body Face and Protruding Hub End | 0.062 INCHES BOTH ENDS IN |
| Face Nominal Width | 1.625 INCHES IN |
| Hub Style Designator | PLAIN BOTH ENDS |
| Teeth Type | SINGLE HELIX |
| Body Style | PLAIN, SOLID |
| Bore Nominal Diameter | 1.250 INCHES BOTH ENDS IN |
| Helix Angle | 20.0000 DEGREES |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
NSN 3020-00-275-0984 is a Gear,helical, manufactured by Cooper Machinery Services Llc, classified under FSC 3020 (No Item Name Available). Status: cancelled.
NSN 3020-00-275-0984 has 2 cross-referenced part numbers: 75310PC13 (Cooper Machinery Services Llc), 75323 (Cooper Machinery Services Llc).
There are 3 known substitutes for 3020-00-275-0984: 4820-00-320-9205, 5365-00-439-3184, 2995-01-131-6540. Verify interchangeability with system specifications before substitution.
Key specifications for 75323: Teeth Quantity: 21; Tooth Direction: RIGHT; Keyway Nominal Width: 0.312 INCHES BOTH ENDS IN; Material: STEEL COMP 3145 OVERALL. 19 total characteristics are documented in the Federal Logistics Information System.
NSN 3020-00-275-0984 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.