We appreciate your interest in our selection of parts that fall under the NSN 3020-00-234-3990. Below, top-requested part numbers like C8099, and others are presented alongside their manufacturer for your perusal. In order to receive pricing options on any featured NSN 3020-00-234-3990, simply click on the “RFQ” button next to it and complete the quote request form you are directed to. Be sure to include as many details as you can about your requirements and restrictions alike so our team can best formulate ideal fulfillment options for your consideration.
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| Item Name | Gear Helical |
| Federal Supply Group (FSG) | Mechanical Power Transmission Equipment |
| Federal Supply Class (FSC) | 3020 Gear Pulley Sprocket and Transmission Chain |
| National Item Identification Number (NIIN) | 00-234-3990 (002343990) |
| NCB Code | USA (00) |
| Manufacturer | Avtron Aerospace Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAQL | BODY STYLE | WEBBED,OFFSET,SOLID |
| ABSX | ATTACHMENT METHOD | MOUNTING HOLE |
| AGJS | PITCH DIAMETER | 10.5500 INCHES NOMINAL |
| AJLA | TEETH QUANTITY | 103 |
| ANTP | BORE STYLE | W/ KEYWAY BOTH ENDS |
| CMLK | MOUNTING HOLE THREAD SERIES DESIGNATOR | UNC AXIALLY THROUGH BODY,FIRST END |
| CQFM | HARDNESS RATING | 55.0 ROCKWELL C MINIMUM OVERALL AND 59.0 ROCKWELL C MAXIMUM OVERALL |
| CQLT | MOUNTING HOLE NOMINAL THREAD SIZE | 0.375 INCHES AXIALLY THROUGH BODY,FIRST END |
| CTQY | MOUNTING HOLE TYPE AND QUANTITY | 6 THREADED AXIALLY THROUGH BODY,FIRST END |
| CWCD | NOMINAL OUTSIDE DIAMETER | 10.745 INCHES |
| CWMW | TEETH TYPE | SINGLE HELIX |
| CWNH | TOOTH FORM | STANDARD |
| CWNM | TOOTH DIRECTION | RIGHT |
| CWPP | PRESSURE ANGLE | 20.0000 DEGREES |
| CWPZ | HELIX ANGLE | 12.5000 DEGREES |
| CWQL | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 1.250 INCHES FIRST END |
| CWRB | BODY RECESS NOMINAL DEPTH | 0.620 INCHES SECOND END |
| CWRM | FACE NOMINAL WIDTH | 1.380 INCHES |
| CWRS | BORE NOMINAL DIAMETER | 2.8757 INCHES FIRST END |
| CWSN | KEYWAY NOMINAL WIDTH | 0.750 INCHES BOTH ENDS |
| CWSR | NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM | 1.8125 INCHES FIRST END |
| CWTR | HUB STYLE DESIGNATOR | PLAIN FIRST END |
| CWTX | HUB NOMINAL DIAMETER | 4.250 INCHES FIRST END |
| CWZN | BOLT HOLE CIRCLE NOMINAL DIAMETER | 3.500 INCHES AXIALLY THROUGH BODY,FIRST END |
| FEAT | SPECIAL FEATURES | 0.1880 IN RADIUS ON BB END OF WEBBING |
| MATT | MATERIAL | STEEL COMP 8625 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | FED STD 66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| STYL | STYLE DESIGNATOR | PROTRUDING HUB,RECESSED BODY |
| Relevant Components for NSN - 3020-00-234-3990, 3020002343990 | ||||
| 3020-00-964-6224 (3020009646224) | 3020-01-072-9439 (3020010729439) | 3040-01-195-1137 (3040011951137) | 3040-00-699-8480 (3040006998480) | |
| 3020-01-602-9637 (3020016029637) | 3040-00-675-3292 (3040006753292) | 3010-01-632-2927 (3010016322927) | 3020-12-364-2417 (3020123642417) | |
| 3020-01-392-6610 (3020013926610) | 3030-00-917-9844 (3030009179844) | 3010-00-204-3348 (3010002043348) | 3040-01-706-2241 (3040017062241) | |
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