| Item Name | Chain Roller |
| INC Code | 04457 |
| Federal Supply Group (FSG) | Mechanical Power Transmission Equipment |
| Federal Supply Class (FSC) | 3020 Gears Pulleys Sprockets and Transmission Chain |
| National Item Identification Number (NIIN) | 00-254-1979 (002541979) |
| NCB Code | USA (00) |
| Manufacturer | Diamond Chain Co, Koehring Cranes Inc, Whitney Chain Operation Power |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABNZ | EFFECTIVE LENGTH | 8.0000 FEET NOMINAL |
| AWSM | LINK PLATE WIDTH | 1.425 INCHES NOMINAL |
| AWSP | LINK PLATE WIDTH AT PIN END | 1.230 INCHES MAXIMUM |
| AWSQ | LINK PLATE NOMINAL THICKNESS | 0.1870 INCHES |
| AWWN | LINK ROLLER NOMINAL DIAMETER | 0.8750 INCHES |
| AWWP | LINK NOMINAL WIDTH BETWEEN PLATES | 1.0000 INCHES |
| CQBC | MINIMUM TENSILE STRENGTH | 28100 POUNDS PER SQUARE INCH |
| CTCR | LINK PIN NOMINAL DIAMETER | 0.4370 INCHES |
| MATT | MATERIAL | STEEL |
| ZZZX | DEPARTURE FROM CITED DESIGNATOR | AS MODIFIED BY EFFECTIVE LENGTH |
| Relevant Components for NSN - 3020-00-254-1979, 3020002541979 | ||||
| 3020-01-276-6140 (3020012766140) | 3020-01-170-2566 (3020011702566) | 3020-01-133-4631 (3020011334631) | 3020-00-893-8320 (3020008938320) | |
| 3020-01-182-9434 (3020011829434) | 3020-01-443-0979 (3020014430979) | 3020-00-719-7965 (3020007197965) | 3020-00-850-2436 (3020008502436) | |
| 3020-01-513-8232 (3020015138232) | 3020-00-030-0795 (3020000300795) | 3020-00-391-9534 (3020003919534) | 3020-01-487-4509 (3020014874509) | |
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