The Gear,spur, cataloged under National Stock Number 3020-01-104-8713, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Astronautics Corporation of America. Government technical data includes 22 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-104-8713 |
| Primary Part Number | 127885 |
| Item Name | Gear,spur |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Astronautics Corporation of America |
| Status | ACTIVE |
| Hub Nominal Diameter | 0.380 INCHES FIRST END IN |
| Hub Nominal Diameter | 0.250 INCHES SECOND END IN |
| Teeth Quantity | 80 |
| Surface Treatment Document and Classification | MIL-STD-171,FINISH NO. 5.4.1 MIL STD SINGLE TREATMENT RESPONSE OVERALL |
| Body Style | PLAIN, SOLID |
| Bore Style | PLAIN BOTH ENDS |
| Mounting Hole Type and Quantity | 4 THREADED TRANSVERSELY THROUGH HUB FIRST END |
| Nominal Distance Between Body Face and Protruding Hub End | 0.250 INCHES SECOND END IN |
| Nominal Distance Between Body Face and Protruding Hub End | 0.160 INCHES FIRST END IN |
| Nominal Overall Length | 0.5000 INCHES IN |
| Style Designator | PROTRUDING HUBS |
| Material Document and Classification | QQ-S-764,TYPE 303,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Pitch Diameter | 0.8333 INCHES NOMINAL IN |
| Tooth Form | STANDARD |
| Hub Style Designator | PINNED BOTH ENDS |
| Nominal Outside Diameter | 0.854 INCHES IN |
| Surface Treatment | PASSIVATE OVERALL |
| Pressure Angle | 20.0000 DEGREES |
| Material | STEEL COMP 303 OVERALL |
| Mounting Hole Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) AND UNF TRANSVERSELY THROUGH HUB FIRST END |
| Attachment Method | MOUNTING HOLE |
| Face Nominal Width | 0.0900 INCHES IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 127885 PRIMARY | Astronautics Corporation of America (USA) |
NSN 3020-01-104-8713 is a Gear,spur, manufactured by Astronautics Corporation of America, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-104-8713 has 1 manufacturer part number on file: 127885 (Astronautics Corporation of America).
Key specifications for 127885: Hub Nominal Diameter: 0.380 INCHES FIRST END IN; Hub Nominal Diameter: 0.250 INCHES SECOND END IN; Teeth Quantity: 80; Surface Treatment Document and Classification: MIL-STD-171,FINISH NO. 5.4.1 MIL STD SINGLE TREATMENT RESPONSE OVERALL. 22 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.