| 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 |
| Components Related to NSN - 3020-00-234-3990, 3020002343990 | ||||
| 3040-01-618-5716 (3040016185716) | 3040-01-293-8593 (3040012938593) | 3040-01-184-4571 (3040011844571) | 3040-01-173-5619 (3040011735619) | |
| 3040-01-204-4536 (3040012044536) | 3020-01-322-2354 (3020013222354) | 3040-00-719-6234 (3040007196234) | 3020-01-216-3121 (3020012163121) | |
| 3020-01-418-7601 (3020014187601) | 3010-01-237-8384 (3010012378384) | 3040-01-521-2186 (3040015212186) | 3040-00-737-9063 (3040007379063) | |
If You’re Ever Looking for NSN parts Or Have an Aircraft On Ground Situation, Don’t forget That We offer Competitive Pricing and Guaranteed On-Time Delivery.
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