The Gear,helical, cataloged under National Stock Number 3020-00-517-1122, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc. Government technical data includes 25 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 3020-00-517-1122 |
| Primary Part Number | A6836 |
| Item Name | Gear,helical |
| FSC / FSG | 3020 / 30 — No Item Name Available |
| Manufacturer | Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc |
| Status | CANCELLED |
| Body Style | PLAIN, SOLID |
| Attachment Method | MOUNTING HOLE |
| Nominal Distance From Bore Center to Keyway Bottom | 1.134 INCHES BOTH ENDS IN |
| Hub Style Designator | PLAIN FIRST END |
| Bore Nominal Diameter | 2.119 INCHES BOTH ENDS IN |
| Helix Angle | 34.6283 DEGREES |
| Teeth Type | SINGLE HELIX |
| Nominal Distance Between Body Face and Protruding Hub End | 0.172 INCHES FIRST END IN |
| Tooth Form | STUB |
| Material Document and Classification | QQ-S-637,COMP 1141 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Style Designator | PROTRUDING HUB |
| Pressure Angle | 14.5000 DEGREES |
| Tooth Direction | LEFT |
| Mounting Hole Type and Quantity | 2 THREADED AXIALLY THROUGH BODY FIRST END |
| Bore Style | W/ KEYWAY BOTH ENDS |
| Nominal Outside Diameter | 4.567 INCHES IN |
| Material | STEEL COMP 1141 OVERALL |
| Hardness Rating | 27.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL |
| Keyway Nominal Width | 0.252 INCHES BOTH ENDS IN |
| Mounting Hole Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) AXIALLY THROUGH BODY FIRST END |
| Face Nominal Width | 1.375 INCHES IN |
| Teeth Quantity | 36 |
| Mounting Hole Nominal Thread Size | 0.375 INCHES AXIALLY THROUGH BODY FIRST END IN |
| Hub Nominal Diameter | 4.094 INCHES FIRST END IN |
| Pitch Diameter | 4.3750 INCHES NOMINAL IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
NSN 3020-00-517-1122 is a Gear,helical, manufactured by Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc, classified under FSC 3020 (No Item Name Available). Status: cancelled.
NSN 3020-00-517-1122 has 2 cross-referenced part numbers: A6836 (Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc), CC1251 (Diamond Reo Truck Co).
There are 2 known substitutes for 3020-00-517-1122: 1680-00-387-4989, 2530-00-621-3670. Verify interchangeability with system specifications before substitution.
Key specifications for A6836: Body Style: PLAIN, SOLID; Attachment Method: MOUNTING HOLE; Nominal Distance From Bore Center to Keyway Bottom: 1.134 INCHES BOTH ENDS IN; Hub Style Designator: PLAIN FIRST END. 25 total characteristics are documented in the Federal Logistics Information System.
NSN 3020-00-517-1122 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.