The Gear,helical, cataloged under National Stock Number 3020-00-528-7156, 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 Sea Systems Command. Government technical data includes 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-528-7156 |
| Primary Part Number | 14U1023PCDA6231 |
| Item Name | Gear,helical |
| FSC / FSG | 3020 / 30 — No Item Name Available |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Tooth Direction | RIGHT |
| Style Designator | FLUSH HUB |
| Keyway Nominal Width | 0.2525 INCHES BOTH ENDS IN |
| Pressure Angle | 14.5000 DEGREES |
| Hub Style Designator | PLAIN BOTH ENDS |
| Bore Style | W/ KEYWAY BOTH ENDS |
| Teeth Type | SINGLE HELIX |
| Pitch Diameter | 6.7244 INCHES NOMINAL IN |
| Helix Angle | 26.8333 DEGREES |
| Bore Nominal Diameter | 1.2497 INCHES BOTH ENDS IN |
| Material | IRON OVERALL |
| Nominal Outside Diameter | 6.9244 INCHES IN |
| Material Document and Classification | NAVY 46-I-5C CL B MIL STD SINGLE MATERIAL RESPONSE OVERALL |
| Hub Nominal Diameter | 2.000 INCHES SECOND END IN |
| Teeth Quantity | 60 |
| Tooth Form | STANDARD |
| Body Style | WEBBED, OFFSET, WITH LIGHTENING HOLES |
| Nominal Distance From Bore Center to Keyway Bottom | 0.7600 INCHES BOTH ENDS IN |
| Hardness Rating | 18.0 ROCKWELL C MINIMUM AND 26.0 ROCKWELL C MAXIMUM OVERALL |
| Face Nominal Width | 1.250 INCHES IN |
| Hub Nominal Diameter | 2.375 INCHES FIRST END IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 14U1023PCDA6231 | Naval Sea Systems Command (USA) |
| DA6231 | Norfolk Naval Shipyard (USA) |
| 6231 | Norfolk Naval Shipyard (USA) |
| 14U1023PCDA6231 | Naval Ship Systems Command (USA) |
NSN 3020-00-528-7156 is a Gear,helical, manufactured by Naval Sea Systems Command, classified under FSC 3020 (No Item Name Available). Status: active.
NSN 3020-00-528-7156 has 4 cross-referenced part numbers: 14U1023PCDA6231 (Naval Sea Systems Command), DA6231 (Norfolk Naval Shipyard), 6231 (Norfolk Naval Shipyard), 14U1023PCDA6231 (Naval Ship Systems Command).
There are 10 known substitutes for 3020-00-528-7156: 5360-00-019-7945, 4820-00-287-3322, 5950-00-392-6565 and 7 more. Verify interchangeability with system specifications before substitution.
Key specifications for 14U1023PCDA6231: Tooth Direction: RIGHT; Style Designator: FLUSH HUB; Keyway Nominal Width: 0.2525 INCHES BOTH ENDS IN; Pressure Angle: 14.5000 DEGREES. 21 total characteristics are documented in the Federal Logistics Information System.