We appreciate your interest in Military Specifications part number MIL-STD-421, which is currently ready for procurement here on Prompt Aerospace. For your reference, part number MIL-STD-421 is listed with the NSN 3020-00-256-1499 and description “Chain Roller.” If this is the item you are seeking and you would like to request a quote for your comparisons, simply complete the form below with information like your desired quantity, budget, and anticipated fulfillment timeframe. We regularly respond to requests within 15 minutes of receiving them, using the details we are offered to curate the most ideal purchasing options.
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If you want to explore other items produced by Military Specifications under the CAGE Code 81349 or that similarly fall under the FSC 3020 Gear Pulley Sprocket and Transmission Chain, keep in mind that since we list everything with relevant information, you can easily locate related part numbers using our search engine or catalogs. We also excel at tracking down parts with long lead times or that are generally hard to find, meaning that we can serve you even if you do not see exactly what you need on our website. With all of this being said, we are ready to help you source any of the NSN 3020-00-256-1499 parts and Chain Roller items your operations require, so request a quote today.
| NSN | FSC | NIIN | CLS | Hazmat | DEMIL | Cancelled NSN |
|---|---|---|---|---|---|---|
| 3020-00-256-1499 Item PartTypeName: CHAIN,ROLLER | 3020 | 002561499 | 0 | N | ||
| CIIC | HCC | ESD | PMIC | Criticality | ENAC | |
| U | U | |||||
| Part Number | ISC | RNVC | RNCC | HCC | MSDS | SADC |
| MIL-STD-421 | 2 | 1 | 4 |
| MRC | Criteria | Characteristic |
|---|---|---|
| ABNZ | EFFECTIVE LENGTH | 4.3125 FEET NOMINAL |
| AKGQ | NOMINAL PITCH DISTANCE | 0.750 INCHES |
| AWFN | LINK ROW QUANTITY | 2 |
| AWFQ | FIRST CHAIN LINK STYLE | ROLLER |
| AWFR | SECOND CHAIN LINK STYLE | PIN |
| AWFW | PIN FASTENING METHOD | COTTER PIN |
| AWFX | FIRST CHAIN LINK PLATE WIDTH | 0.712 INCHES NOMINAL |
| AWGA | FIRST CHAIN LINK PLATE NOMINAL THICKNESS | 0.0940 INCHES |
| AWRB | FIRST CHAIN LINK ROLLER NOMINAL DIAMETER | 0.4690 INCHES |
| AWRE | FIRST CHAIN LINK NOMINAL WIDTH BETWEEN PLATES | 0.5000 INCHES |
| AWRR | SECOND CHAIN LINK PLATE WIDTH | 0.615 INCHES NOMINAL |
| AWRW | SECOND CHAIN LINK PLATE NOMINAL THICKNESS | 0.0940 INCHES |
| AWRX | SECOND CHAIN LINK PIN NOMINAL DIAMETER | 0.2340 INCHES |
| AWSA | SECOND CHAIN LINK NOMINAL WIDTH BETWEEN PLATES | 0.6880 INCHES |
| CQBC | MINIMUM TENSILE STRENGTH | 14100 POUNDS PER SQUARE INCH |
| MATT | MATERIAL | STEEL |
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