| Item Name | Link Roller Chain |
| Federal Supply Group (FSG) | Mechanical Power Transmission Equipment |
| Federal Supply Class (FSC) | 3020 Gear Pulley Sprocket and Transmission Chain |
| National Item Identification Number (NIIN) | 00-956-9872 (009569872) |
| NCB Code | USA (00) |
| Manufacturer | Diamond Chain Co, Textron Aviation Inc, Beechcraft Corporation |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| C4189CL18 | diamond chain co | link roller chain | RFQ |
| 131378-25-CL | textron aviation inc | link roller chain | RFQ |
| C-4189CL18-P | diamond chain co | link roller chain | RFQ |
| 131378-25-CL | beechcraft corporation | link roller chain | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| ACHT | PIN OVERALL LENGTH | 0.3290 INCHES NOMINAL |
| AJXT | LINK STYLE | PIN |
| AWFW | PIN FASTENING METHOD | RIVETED AND SPRING CLIP |
| AWSM | LINK PLATE WIDTH | 0.205 INCHES NOMINAL |
| AWSQ | LINK PLATE NOMINAL THICKNESS | 0.0300 INCHES |
| AWWP | LINK NOMINAL WIDTH BETWEEN PLATES | 0.2250 INCHES |
| CQBC | MINIMUM TENSILE STRENGTH | 875 POUNDS PER SQUARE INCH |
| CTCR | LINK PIN NOMINAL DIAMETER | 0.0900 INCHES |
| MATT | MATERIAL | STEEL |
| Relevant Components for NSN - 3020-00-956-9872, 3020009569872 | ||||
| 3040-00-542-0494 (3040005420494) | 3020-00-622-2406 (3020006222406) | 3040-01-425-4898 (3040014254898) | 3010-01-302-9202 (3010013029202) | |
| 3040-00-709-1500 (3040007091500) | 3020-00-060-2503 (3020000602503) | 3040-00-115-5699 (3040001155699) | 3040-01-251-9385 (3040012519385) | |
| 3040-00-365-5573 (3040003655573) | 3040-01-627-0623 (3040016270623) | 3040-01-424-7581 (3040014247581) | 3040-01-476-8784 (3040014768784) | |
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