The Gear,helical, cataloged under National Stock Number 3020-00-363-7630, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Norfolk Naval Shipyard. Government technical data includes 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 3020-00-363-7630 |
| Primary Part Number | DA6311 |
| Item Name | Gear,helical |
| FSC / FSG | 3020 / 30 — No Item Name Available |
| Manufacturer | Norfolk Naval Shipyard |
| Status | CANCELLED |
| Body Style | PLAIN, SOLID |
| Nominal Distance Between Body Face and Protruding Hub End | 0.156 INCHES SECOND END IN |
| Pressure Angle | 45.0000 DEGREES |
| Helix Angle | 26.8333 DEGREES |
| Teeth Type | SINGLE HELIX |
| Style Designator | PROTRUDING HUBS |
| Hub Style Designator | PLAIN BOTH ENDS |
| Material Document and Classification | 66 FED STD SINGLE MATERIAL RESPONSE AND AISI/SAE 1035 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Face Nominal Width | 1.250 INCHES IN |
| Tooth Direction | RIGHT |
| Bore Style | PLAIN BOTH ENDS |
| Furnished Items and Quantity | 1 LUBRICANT IMPREGNATED BEARING |
| Hub Nominal Diameter | 2.000 INCHES SECOND END IN |
| Hub Nominal Diameter | 1.875 INCHES FIRST END IN |
| Pitch Diameter | 2.2414 INCHES NOMINAL IN |
| Nominal Outside Diameter | 2.4413 INCHES IN |
| Tooth Form | STANDARD |
| Bore Nominal Diameter | 1.375 INCHES BOTH ENDS IN |
| Nominal Distance Between Body Face and Protruding Hub End | 0.281 INCHES FIRST END IN |
| Material | STEEL COMP 1035 OVERALL |
| Teeth Quantity | 20 |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| DA6311 | Norfolk Naval Shipyard (USA) |
| 14U1036PCDA6311 | Naval Ship Systems Command (USA) |
| 14U1036PCDA631 | Naval Sea Systems Command (USA) |
| 6311 | Norfolk Naval Shipyard (USA) |
| 75G2560 | Norfolk Naval Shipyard (USA) |
NSN 3020-00-363-7630 is a Gear,helical, manufactured by Norfolk Naval Shipyard, classified under FSC 3020 (No Item Name Available). Status: cancelled.
NSN 3020-00-363-7630 has 5 cross-referenced part numbers: DA6311 (Norfolk Naval Shipyard), 14U1036PCDA6311 (Naval Ship Systems Command), 14U1036PCDA631 (Naval Sea Systems Command), 6311 (Norfolk Naval Shipyard), 75G2560 (Norfolk Naval Shipyard).
There are 12 known substitutes for 3020-00-363-7630: 8345-00-082-2379, 3110-00-144-8548, 8345-00-233-3003 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for DA6311: Body Style: PLAIN, SOLID; Nominal Distance Between Body Face and Protruding Hub End: 0.156 INCHES SECOND END IN; Pressure Angle: 45.0000 DEGREES; Helix Angle: 26.8333 DEGREES. 21 total characteristics are documented in the Federal Logistics Information System.
NSN 3020-00-363-7630 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.