The Gear,spur, cataloged under National Stock Number 3020-01-118-6996, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Astronautics Corporation of America. Government technical data includes 23 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-118-6996 |
| Primary Part Number | 121963 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — No Item Name Available |
| Manufacturer | Astronautics Corporation of America |
| Status | ACTIVE |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL COMP 303 OVERALL |
| Nominal Overall Length | 0.281 INCHES IN |
| Hub Style Designator | PINNED FIRST END |
| Material Document and Classification | MIL-S-7720 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Bore Style | PLAIN BOTH ENDS |
| Mounting Hole Type and Quantity | 2 THREADED TRANSVERSELY THROUGH HUB FIRST END |
| Hub Nominal Diameter | 0.250 INCHES FIRST END IN |
| Face Nominal Width | 0.125 INCHES IN |
| Mounting Hole Thread Quantity Per Inch | 56 TRANSVERSELY THROUGH HUB FIRST END |
| Style Designator | PROTRUDING HUB |
| Mounting Hole Nominal Thread Size | 0.086 INCHES TRANSVERSELY THROUGH HUB FIRST END IN |
| Nominal Outside Diameter | 0.437 INCHES IN |
| Nominal Distance Between Body Face and Protruding Hub End | 0.156 INCHES FIRST END IN |
| Surface Treatment Document and Classification | MIL-STD-171,FINISH NO. 5.4.1 MIL STD SINGLE TREATMENT RESPONSE OVERALL |
| Pitch Diameter | 0.4167 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE OVERALL |
| Tooth Form | STANDARD |
| Mounting Hole Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) TRANSVERSELY THROUGH HUB FIRST END |
| Bore Nominal Diameter | 0.125 INCHES BOTH ENDS IN |
| Teeth Quantity | 40 |
| Body Style | PLAIN, SOLID |
| Attachment Method | MOUNTING HOLE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 121963 PRIMARY | Astronautics Corporation of America (USA) |
NSN 3020-01-118-6996 is a Gear,spur, manufactured by Astronautics Corporation of America, classified under FSC 3020 (No Item Name Available). Status: active.
NSN 3020-01-118-6996 has 1 cross-referenced part number: 121963 (Astronautics Corporation of America).
There is 1 known substitute for 3020-01-118-6996: 5995-01-223-3130. Verify interchangeability with system specifications before substitution.
Key specifications for 121963: Pressure Angle: 20.0000 DEGREES; Material: STEEL COMP 303 OVERALL; Nominal Overall Length: 0.281 INCHES IN; Hub Style Designator: PINNED FIRST END. 23 total characteristics are documented in the Federal Logistics Information System.