The Gear,antibacklash,spur, cataloged under National Stock Number 3020-00-580-4141, 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 15 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 | 3020-00-580-4141 |
| Primary Part Number | 42681 |
| Item Name | Gear,antibacklash,spur |
| FSC / FSG | 3020 / 30 — No Item Name Available |
| Manufacturer | Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems |
| Status | ACTIVE |
| Bore Style | PLAIN BOTH ENDS |
| Surface Treatment | PASSIVATE OVERALL |
| Style Designator | PROTRUDING HUB |
| Material Document and Classification | MIL-S-7720,COND A MIL SPEC ALL MATERIAL RESPONSES OVERALL |
| Material | STEEL COMP 303 OR STEEL COMP 303SE OVERALL |
| Pressure Angle | 20.0000 DEGREES |
| Face Nominal Width | 0.094 INCHES IN |
| Pitch Diameter | 0.8333 INCHES NOMINAL IN |
| Hub Nominal Diameter | 0.249 INCHES FIRST END IN |
| Nominal Overall Length | 0.281 INCHES IN |
| Bore Nominal Diameter | 0.091 INCHES BOTH ENDS IN |
| Nominal Distance Between Body Face and Protruding Hub End | 0.187 INCHES FIRST END IN |
| Nominal Outside Diameter | 0.849 INCHES IN |
| Teeth Quantity | 100 |
| Hub Style Designator | PINNED FIRST END |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 42681 PRIMARY | Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems (USA) |
NSN 3020-00-580-4141 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 3020-00-580-4141 has 1 cross-referenced part number: 42681 (Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems).
There are 4 known substitutes for 3020-00-580-4141: 5950-00-408-4785, 5962-01-178-2476, 5120-01-398-7740 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for 42681: Bore Style: PLAIN BOTH ENDS; Surface Treatment: PASSIVATE OVERALL; Style Designator: PROTRUDING HUB; Material Document and Classification: MIL-S-7720,COND A MIL SPEC ALL MATERIAL RESPONSES OVERALL. 15 total characteristics are documented in the Federal Logistics Information System.