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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) | 01-494-4274 (014944274) |
| NCB Code | USA (01) |
| Manufacturer | Illinois Tool Works Inc, Electric Boat Corporation |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAQL | BODY STYLE | PLAIN, SOLID |
| ABSA | SPLINE QUANTITY | 32 BOTH ENDS |
| ABSX | ATTACHMENT METHOD | MOUNTING HOLE |
| AGAV | END ITEM IDENTIFICATION | GEARBOX,RAMMER DRIVE |
| AGJS | PITCH DIAMETER | 6.1900 INCHES MINIMUM AND 6.2100 INCHES MAXIMUM |
| AJLA | TEETH QUANTITY | 67 |
| ANTP | BORE STYLE | INVOLUTE SPLINE BOTH ENDS |
| BDTX | SPLINE PITCH DIAMETER | 2.0000 INCHES NOMINAL BOTH ENDS |
| CTQY | MOUNTING HOLE TYPE AND QUANTITY | 2 PLAIN AXIALLY THROUGH FLANGE |
| CWCD | NOMINAL OUTSIDE DIAMETER | 9.0000 INCHES |
| CWMW | TEETH TYPE | SPIRAL |
| CWNM | TOOTH DIRECTION | RIGHT |
| CWPP | PRESSURE ANGLE | 10.0000 DEGREES AND 25.0000 DEGREES |
| CWQL | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.458 INCHES BETWEEN BODY AND FLANGE |
| CWRM | FACE NOMINAL WIDTH | 1.4000 INCHES |
| CWRS | BORE NOMINAL DIAMETER | 2.0500 INCHES BOTH ENDS |
| CWTR | HUB STYLE DESIGNATOR | PLAIN BOTH ENDS |
| CWTX | HUB NOMINAL DIAMETER | 2.500 INCHES BOTH ENDS |
| CWZK | MOUNTING HOLE NOMINAL DIAMETER | 0.350 INCHES AXIALLY THROUGH FLANGE |
| CWZN | BOLT HOLE CIRCLE NOMINAL DIAMETER | 4.500 INCHES AXIALLY THROUGH FLANGE |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | SHAFT,DRIVE,RH |
| FEAT | SPECIAL FEATURES | HELICON GEAR WITH RATIO 33.5:1;MATES WITH P/N H832-1662-3 (NSN 3040-01-494-3543) AND -16 (CAGE 96169);MATCHED PAIR H832-1662-3 & 4 NSN 3020-01-494-0562;NEXT HIGHER ASSEMBLY NSN 3040-01-492-8053;USED ON NSSN CLASS SUBMARINE |
| MATT | III MATERIAL | STEEL COMP E9310 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | DOD-F-24669/1 GR-9310 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| STYL | STYLE DESIGNATOR | PROTRUDING HUB |
| Relevant Components for NSN - 3020-01-494-4274, 3020014944274 | ||||
| 3040-99-750-9441 (3040997509441) | 3040-01-309-9880 (3040013099880) | 3020-00-056-1680 (3020000561680) | 3040-01-592-1774 (3040015921774) | |
| 3040-01-340-6053 (3040013406053) | 3040-01-424-7637 (3040014247637) | 3020-00-762-8849 (3020007628849) | 3040-01-411-4890 (3040014114890) | |
| 3020-01-163-7221 (3020011637221) | 3030-00-041-2888 (3030000412888) | 3030-00-421-7151 (3030004217151) | 3040-01-256-3453 (3040012563453) | |
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