The Gear,antibacklash,spur, cataloged under National Stock Number 3020-00-202-8635, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-202-8635 |
| Primary Part Number | 42680 |
| Item Name | Gear,antibacklash,spur |
| FSC / FSG | 3020 / 30 — No Item Name Available |
| Manufacturer | Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems |
| Status | ACTIVE |
| Hub Style Designator | PINNED SECOND END |
| Style Designator | PROTRUDING HUBS |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL COMP 303 OR STEEL COMP 303SE OVERALL |
| Nominal Distance Between Body Face and Protruding Hub End | 0.092 INCHES SECOND END IN |
| Surface Treatment | PASSIVATE OVERALL |
| Face Nominal Width | 0.095 INCHES IN |
| Nominal Distance Between Body Face and Protruding Hub End | 0.110 INCHES FIRST END IN |
| Nominal Outside Diameter | 0.415 INCHES IN |
| Bore Style | PLAIN BOTH ENDS |
| Hub Style Designator | PLAIN FIRST END |
| Material Document and Classification | MIL-S-7720 MIL SPEC ALL MATERIAL RESPONSES OVERALL |
| Bore Nominal Diameter | 0.090 INCHES BOTH ENDS IN |
| Pitch Diameter | 0.4000 INCHES NOMINAL IN |
| Hub Nominal Diameter | 0.156 INCHES SECOND END IN |
| Hub Nominal Diameter | 0.219 INCHES FIRST END IN |
| Teeth Quantity | 48 |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 42680 PRIMARY | Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems (USA) |
NSN 3020-00-202-8635 is a Gear,antibacklash,spur, manufactured by Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems, classified under FSC 3020 (No Item Name Available). Status: active.
NSN 3020-00-202-8635 has 1 cross-referenced part number: 42680 (Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems).
There are 4 known substitutes for 3020-00-202-8635: 5970-00-302-7986, 3120-00-349-6444, 2940-01-072-9417 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for 42680: Hub Style Designator: PINNED SECOND END; Style Designator: PROTRUDING HUBS; Pressure Angle: 20.0000 DEGREES; Material: STEEL COMP 303 OR STEEL COMP 303SE OVERALL. 17 total characteristics are documented in the Federal Logistics Information System.