The Gear,spur, cataloged under National Stock Number 3020-00-677-6704, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Southern Gear & Machine Inc. Government technical data includes 17 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. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-677-6704 |
| Primary Part Number | 104-90 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — No Item Name Available |
| Manufacturer | Southern Gear & Machine Inc |
| Status | ACTIVE |
| Style Designator | PROTRUDING HUB |
| Nominal Outside Diameter | 1.917 INCHES IN |
| Face Nominal Width | 0.125 INCHES IN |
| Hub Nominal Diameter | 0.500 INCHES FIRST END IN |
| Hub Style Designator | PINNED FIRST END |
| Tooth Form | STANDARD |
| Nominal Distance Between Body Face and Protruding Hub End | 0.250 INCHES FIRST END IN |
| Bore Style | PLAIN BOTH ENDS |
| Material | ALUMINUM ALLOY 2024 OVERALL |
| Teeth Quantity | 90 |
| Bore Nominal Diameter | 0.250 INCHES BOTH ENDS IN |
| Pressure Angle | 14.5000 DEGREES |
| Surface Treatment | ANODIZE OVERALL |
| Pitch Diameter | 1.8750 INCHES NOMINAL IN |
| Body Style | PLAIN, SOLID |
| Surface Treatment Document and Classification | MIL-A-8625,TYPE 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Material Document and Classification | QQ-A-225/6,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 104-90 PRIMARY | Southern Gear & Machine Inc (USA) |
| 4890H14-1-2-1-4 PRIMARY | Harmonic Drive L.l.c. (USA) |
NSN 3020-00-677-6704 is a Gear,spur, manufactured by Southern Gear & Machine Inc, classified under FSC 3020 (No Item Name Available). Status: active.
NSN 3020-00-677-6704 has 2 cross-referenced part numbers: 104-90 (Southern Gear & Machine Inc), 4890H14-1-2-1-4 (Harmonic Drive L.l.c.).
There are 10 known substitutes for 3020-00-677-6704: 3020-00-358-0099, 3455-00-541-6222, 5310-00-543-4540 and 7 more. Verify interchangeability with system specifications before substitution.
Key specifications for 104-90: Style Designator: PROTRUDING HUB; Nominal Outside Diameter: 1.917 INCHES IN; Face Nominal Width: 0.125 INCHES IN; Hub Nominal Diameter: 0.500 INCHES FIRST END IN. 17 total characteristics are documented in the Federal Logistics Information System.