The Gear,helical, cataloged under National Stock Number 3020-00-238-7670, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Naval Ship Systems Command. Government technical data includes 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-238-7670 |
| Primary Part Number | 82312S41-188PC44 |
| Item Name | Gear,helical |
| FSC / FSG | 3020 / 30 — No Item Name Available |
| Manufacturer | Naval Ship Systems Command |
| Status | ACTIVE |
| Attachment Method | MOUNTING HOLE |
| Keyway Nominal Width | 0.187 INCHES BOTH ENDS IN |
| Pressure Angle | 20.0000 DEGREES |
| Face Nominal Width | 3.625 INCHES IN |
| Mounting Hole Nominal Thread Size | 0.312 INCHES AXIALLY THROUGH BODY FIRST END IN |
| Nominal Distance From Bore Center to Keyway Bottom | 0.530 INCHES FIRST END IN |
| Pitch Diameter | 2.3330 INCHES NOMINAL IN |
| Teeth Quantity | 13 |
| Nominal Outside Diameter | 2.6655 INCHES IN |
| Material | COPPER ALLOY OVERALL |
| Bore Nominal Diameter | 0.876 INCHES FIRST END IN |
| Helix Angle | 10.0000 DEGREES |
| Teeth Type | SINGLE HELIX |
| Bolt Hole Circle Nominal Diameter | 1.312 INCHES AXIALLY THROUGH BODY FIRST END IN |
| Tooth Direction | LEFT |
| Mounting Hole Type and Quantity | 2 THREADED AXIALLY THROUGH BODY FIRST END |
| Bore Style | W/ KEYWAY BOTH ENDS |
| Style Designator | HUBLESS |
| Mounting Hole Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) AXIALLY THROUGH BODY FIRST END |
| Tooth Form | STANDARD |
| Body Style | PLAIN, SOLID |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 82312S41-188PC44 | Naval Ship Systems Command (USA) |
| 2529 | Lear Siegler Inc Sherwood Div (USA) |
| H8688PC44 | Lear Siegler Inc Sherwood Div (USA) |
NSN 3020-00-238-7670 is a Gear,helical, manufactured by Naval Ship Systems Command, classified under FSC 3020 (No Item Name Available). Status: active.
NSN 3020-00-238-7670 has 3 cross-referenced part numbers: 82312S41-188PC44 (Naval Ship Systems Command), 2529 (Lear Siegler Inc Sherwood Div), H8688PC44 (Lear Siegler Inc Sherwood Div).
There are 12 known substitutes for 3020-00-238-7670: 5310-00-089-4035, 5307-00-155-1558, 3220-00-204-4853 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 82312S41-188PC44: Attachment Method: MOUNTING HOLE; Keyway Nominal Width: 0.187 INCHES BOTH ENDS IN; Pressure Angle: 20.0000 DEGREES; Face Nominal Width: 3.625 INCHES IN. 22 total characteristics are documented in the Federal Logistics Information System.