AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| 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) | 00-293-3260 (002933260) |
| NCB Code | USA (00) |
| Manufacturer | Lockheed Martin Corporation, Acme Springbank Corp, L 3 Communications Corporation |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| D630284SUB2PT2 | lockheed martin corporation | gear helical | RFQ |
| D630284REV2PT1 | lockheed martin corporation | gear helical | RFQ |
| A2520REV1PT2 | acme springbank corp | gear helical | RFQ |
| A-2520REV3PC1 | l 3 communications corporation | gear helical | RFQ |
| A-2520REV3PC1 | lockheed martin corporation | gear helical | RFQ |
| A2520REV2PT1 | acme springbank corp | gear helical | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAQL | BODY STYLE | WEBBED,SOLID |
| AGJS | PITCH DIAMETER | 3.5040 INCHES NOMINAL |
| AJLA | TEETH QUANTITY | 19 |
| ANTP | BORE STYLE | W/ 2 KEYWAYS BOTH ENDS |
| CQFM | HARDNESS RATING | 28.0 ROCKWELL C MINIMUM OVERALL AND 32.0 ROCKWELL C MAXIMUM OVERALL |
| CWCD | NOMINAL OUTSIDE DIAMETER | 3.8400 INCHES |
| CWFR | NOMINAL OVERALL LENGTH | 1.813 INCHES |
| CWMW | TEETH TYPE | SINGLE HELIX |
| CWNH | TOOTH FORM | STANDARD |
| CWNM | TOOTH DIRECTION | RIGHT |
| CWPP | PRESSURE ANGLE | 20.0000 DEGREES |
| CWPZ | HELIX ANGLE | 25.3500 DEGREES |
| CWQL | NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.688 INCHES FIRST END |
| CWRB | BODY RECESS NOMINAL DEPTH | 0.313 INCHES SECOND END |
| CWRM | FACE NOMINAL WIDTH | 1.125 INCHES |
| CWRS | BORE NOMINAL DIAMETER | 1.753 INCHES BOTH ENDS |
| CWSN | KEYWAY NOMINAL WIDTH | 0.376 INCHES BOTH ENDS |
| CWSR | NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM | 1.062 INCHES BOTH ENDS |
| CWTR | HUB STYLE DESIGNATOR | PLAIN FIRST END |
| CWTX | HUB NOMINAL DIAMETER | 2.625 INCHES FIRST END |
| MATT | MATERIAL | STEEL COMP 4140 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 - 3020-00-293-3260, 3020002933260 | ||||
| 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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