The Gear,spur, cataloged under National Stock Number 3020-00-988-6932, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Harmonic Drive L.l.c.. Government technical data includes 25 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 3020-00-988-6932 |
| Primary Part Number | 4880H20 3-16 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — No Item Name Available |
| Manufacturer | Harmonic Drive L.l.c. |
| Status | CANCELLED |
| Pressure Angle | 20.0000 DEGREES |
| Material Document and Classification | QQ-A-225/6,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Mounting Hole Nominal Diameter | 0.047 INCHES TRANSVERSELY THROUGH HUB FIRST END IN |
| Face Nominal Width | 0.125 INCHES IN |
| Tooth Form | STANDARD |
| Nominal Overall Length | 0.375 INCHES IN |
| Mounting Hole Thread Quantity Per Inch | 56 TRANSVERSELY THROUGH HUB FIRST END |
| Bore Nominal Diameter | 0.188 INCHES BOTH ENDS IN |
| Precision Classification | QUALITY NUMBER 10 OR QUALITY NUMBER 11 |
| Nominal Outside Diameter | 1.708 INCHES IN |
| Teeth Quantity | 80 |
| Body Style | PLAIN, SOLID |
| Attachment Method | MOUNTING HOLE |
| Pitch Diameter | 1.6666 INCHES NOMINAL IN |
| Mounting Hole Nominal Thread Size | 0.086 INCHES TRANSVERSELY THROUGH HUB FIRST END IN |
| Material | ALUMINUM ALLOY 2024 OVERALL |
| Surface Treatment | ANODIZE OVERALL |
| Backlash Designation | GRADE C |
| Bore Style | PLAIN BOTH ENDS |
| Style Designator | PROTRUDING HUB |
| Mounting Hole Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) TRANSVERSELY THROUGH HUB FIRST END |
| Mounting Hole Type and Quantity | 1 PLAIN AND 1 THREADED TRANSVERSELY THROUGH HUB FIRST END |
| Hub Style Designator | PINNED FIRST END |
| Hub Nominal Diameter | 0.375 INCHES FIRST END IN |
| Nominal Distance Between Body Face and Protruding Hub End | 0.250 INCHES FIRST END IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 4880H20 3-16 PRIMARY | Harmonic Drive L.l.c. (USA) |
| 560-2-1236 | Cae Usa Inc. (USA) |
| 44-32610A01 | Motorola Inc. Dba Integrated Information Systems Group (USA) |
| 155-80 | Southern Gear & Machine Inc (USA) |
NSN 3020-00-988-6932 is a Gear,spur, manufactured by Harmonic Drive L.l.c., classified under FSC 3020 (No Item Name Available). Status: cancelled.
NSN 3020-00-988-6932 has 4 cross-referenced part numbers: 4880H20 3-16 (Harmonic Drive L.l.c.), 560-2-1236 (Cae Usa Inc.), 44-32610A01 (Motorola Inc. Dba Integrated Information Systems Group), 155-80 (Southern Gear & Machine Inc).
There are 7 known substitutes for 3020-00-988-6932: 6720-00-070-4757, 3110-00-100-3163, 5996-00-163-1797 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for 4880H20 3-16: Pressure Angle: 20.0000 DEGREES; Material Document and Classification: QQ-A-225/6,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Mounting Hole Nominal Diameter: 0.047 INCHES TRANSVERSELY THROUGH HUB FIRST END IN; Face Nominal Width: 0.125 INCHES IN. 25 total characteristics are documented in the Federal Logistics Information System.
NSN 3020-00-988-6932 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.