ASAP Semiconductor is an industry-leading distributor for shopping for parts by National Stock Number (NSN) data, the items featured within this catalog all falling under NSN 3020-00-251-0879 (3020002510879). Toward the top of this page, you will find several details that pertain to this NSN, allowing you to confirm various aspects of these offerings to ensure accurate procurement. Meanwhile, the part numbers that we have available for purchase can be found below, with Request for Quote (RFQ) links provided alongside each should you wish to make a purchase. Our team is also available by phone or email to support you during the procurement process, so never hesitate to take the first step with us.
| Alternative NSN: | 3020002510879 |
| Manufacturers | Norfolk Naval Shipyard |
| Item Name | Gear Helical |
| INC Code | 05464 |
| Federal Supply Group (FSG) | 30 Mechanical Power Transmission Equipment |
| Federal Supply Class (FSC) | 3020 Gears Pulleys Sprockets and Transmission Chain |
| National Item Identification Number (NIIN) | 00-251-0879 (002510879) |
| NCB Code | USA (00) |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAQL | BODY STYLE | PLAIN,SOLID |
| AGJS | PITCH DIAMETER | 3.3622 INCHES NOMINAL |
| AJLA | TEETH QUANTITY | 30 |
| ANTP | BORE STYLE | W/ KEYWAY BOTH ENDS |
| CQFM | HARDNESS RATING | 21.0 ROCKWELL C MINIMUM OVERALL AND 25.0 ROCKWELL C MAXIMUM OVERALL |
| CWCD | NOMINAL OUTSIDE DIAMETER | 3.5622 INCHES |
| CWFR | NOMINAL OVERALL LENGTH | 1.359 INCHES |
| CWMW | TEETH TYPE | SINGLE HELIX |
| CWNH | TOOTH FORM | STANDARD |
| CWNM | TOOTH DIRECTION | RIGHT |
| CWPP | PRESSURE ANGLE | 14.5000 DEGREES |
| CWPZ | HELIX ANGLE | 26.8333 DEGREES |
| CWQL | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.140 INCHES FIRST END |
| CWRM | FACE NOMINAL WIDTH | 1.219 INCHES |
| CWRS | BORE NOMINAL DIAMETER | 1.999 INCHES BOTH ENDS |
| CWSN | KEYWAY NOMINAL WIDTH | 0.312 INCHES BOTH ENDS |
| CWSR | NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM | 1.166 INCHES BOTH ENDS |
| CWTR | HUB STYLE DESIGNATOR | PLAIN FIRST END |
| CWTX | HUB NOMINAL DIAMETER | 2.875 INCHES FIRST END |
| FEAT | SPECIAL FEATURES | TIMING MARK AT CENTER LINE OF TOOTH SPACED 42 DEG 14 MIN FROM CENTER LINE OF KEYWAY,2 PULLER HOLES 3/8-16 UNC 2B THD,9/16 IN. DEEP ON 2-9/16 IN. DIA BOLT CIRCLE |
| MATT | MATERIAL | STEEL COMP 1137 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD SINGLE MATERIAL RESPONSE OVERALL AND AISI/SAE 1137 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| STYL | STYLE DESIGNATOR | PROTRUDING HUB |
| 3020-01-329-9943 (3020013299943) | 3040-01-117-1156 (3040011171156) | 3040-01-360-5596 (3040013605596) | 3040-00-102-0365 (3040001020365) |
| 3040-01-537-0611 (3040015370611) | 3040-01-624-5258 (3040016245258) | 3020-00-118-4055 (3020001184055) | 3020-00-272-6024 (3020002726024) |
| 3040-01-309-0824 (3040013090824) | 3020-00-448-5254 (3020004485254) | 3020-00-014-1855 (3020000141855) | 3040-00-908-0674 (3040009080674) |
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