The Pulley,flat, cataloged under National Stock Number 3020-01-189-4780, 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 25 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-189-4780 |
| Primary Part Number | 131100 |
| Item Name | Pulley,flat |
| FSC / FSG | 3020 / 30 — No Item Name Available |
| Manufacturer | Astronautics Corporation of America |
| Status | ACTIVE |
| Bore Diameter | 0.250 INCHES NOMINAL IN |
| Crown Face | NOT INCLUDED |
| Integral Cooling Vane | NOT INCLUDED |
| Design Form | PLAIN |
| Keying Facility | NOT INCLUDED |
| Bearings | NOT INCLUDED |
| Counterbore Feature | INCLUDED |
| Lightening Hole | NOT INCLUDED |
| Counterbore Location | BOTH ENDS |
| Material Document and Classification | L-P-392, TYPE 2, CLASS 1 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Flange Location | OUTSIDE |
| Bore Type | STRAIGHT |
| Split Hub Feature | NOT INCLUDED |
| Material | PLASTIC ACETAL OVERALL |
| Rim Type | DOUBLE SPLIT |
| Face Width | 0.280 INCHES NOMINAL IN |
| Style Designator | PLAIN |
| Bore Feature | INCLUDED |
| Counterbore Depth | 0.025 INCHES NOMINAL IN |
| Outside Diameter | 0.530 INCHES NOMINAL IN |
| Flange Width | 0.005 INCHES NOMINAL IN |
| Outside Diameter | 0.500 INCHES NOMINAL IN |
| Flange Quantity | 2 |
| Bore Length | 0.280 INCHES NOMINAL IN |
| Counterbore Diameter | 0.380 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 131100 PRIMARY | Astronautics Corporation of America (USA) |
NSN 3020-01-189-4780 is a Pulley,flat, manufactured by Astronautics Corporation of America, classified under FSC 3020 (No Item Name Available). Status: active.
NSN 3020-01-189-4780 has 1 cross-referenced part number: 131100 (Astronautics Corporation of America).
There are 12 known substitutes for 3020-01-189-4780: 4820-00-003-1821, 5310-00-194-9224, 5120-00-403-7282 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 131100: Bore Diameter: 0.250 INCHES NOMINAL IN; Crown Face: NOT INCLUDED; Integral Cooling Vane: NOT INCLUDED; Design Form: PLAIN. 25 total characteristics are documented in the Federal Logistics Information System.