NSN 3020-00-831-0253 7748530, 00-831-0253, 008310253
Product Details | SPUR GEAR
3020-00-831-0253 A gear, cylindrical in form, with straight teeth on the outer surface parallel to the axis of the gear. See also GEAR, ANTIBACKLASH, SPUR. For bulk material, see ROD, PINION.
Part Alternates: 7748530, 3020-00-831-0253, 00-831-0253, 3020008310253, 008310253
Mechanical Power Transmission Equipment | Gears, Pulleys, Sprockets, and Transmission Chain
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 30 | 00-831-0253 | 05466 ( GEAR, SPUR ) |
Drawings & Photos | NSN 3020-00-831-0253
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Related Products | NSN 3020-00-831-0253
Technical Data | NSN 3020-00-831-0253
| Characteristic | Specifications |
|---|---|
| MATERIAL | STEEL COMP 5120 OR STEEL COMP 8620 OR STEEL COMP 8720 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-624 FED SPEC ALL MATERIAL RESPONSES OVERALL |
| HARDNESS RATING | 80.0 ROCKWELL C MINIMUM AND 82.5 ROCKWELL C MAXIMUM OVERALL |
| TEETH QUANTITY | 56 |
| TOOTH FORM | STANDARD |
| PRESSURE ANGLE | 20.0000 DEGREES |
| BACKLASH DESIGNATION | GRADE A |
| STYLE DESIGNATOR | 2 PROTRUDING HUB |
| PITCH DIAMETER | 7.0000 INCHES NOMINAL |
| NOMINAL OUTSIDE DIAMETER | 7.248 INCHES |
| FACE NOMINAL WIDTH | 1.250 INCHES |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.344 INCHES FIRST END |
| BORE STYLE | 14 W/COUNTERBORE COUNTERBORE, FIRST END |
| BORE NOMINAL DIAMETER | 2.620 INCHES COUNTERBORE, FIRST END |
| COUNTERBORE NOMINAL DEPTH | 1.432 INCHES COUNTERBORE, FIRST END |
| COUNTERBORE NOMINAL DIAMETER | 2.835 INCHES COUNTERBORE, FIRST END |
| HUB STYLE DESIGNATOR | 1 PLAIN FIRST END |
| HUB NOMINAL DIAMETER | 3.625 INCHES FIRST END |
| BODY STYLE | 1 PLAIN, SOLID |
| ATTACHMENT METHOD | MOUNTING HOLE |
| MOUNTING HOLE TYPE AND QUANTITY | 2 THREADED AXIALLY THROUGH BODY, FIRST END |
| MOUNTING HOLE THREAD SERIES DESIGNATOR | UNC AXIALLY THROUGH BODY, FIRST END |
| MOUNTING HOLE NOMINAL THREAD SIZE | 0.375 INCHES AXIALLY THROUGH BODY, FIRST END |
| BOLT HOLE CIRCLE NOMINAL DIAMETER | 4.500 INCHES AXIALLY THROUGH BODY, FIRST END |
| SPECIAL FEATURES | 63 MICROINCH AA FINISH ON GEAR TEETH SURFACES,3.046 IN. MIN TO 3.058 INMAX DIA RECESS IN COUNTERBORE 0.103 INMIN TO 0.138 IN.MAX LG LOCATED 0.142 IN. MIN TO 0.147 IN. MAX FROM HUB END FIRST END |
| MANUFACTURERS CODE | 19207 |
| DESIGN CONTROL REFERENCE | 7748530 |
Restrictions/Controls & Freight Information | NSN 3020-00-831-0253
| Category | Code | Description |
|---|---|---|
| Hazardous Material Indicator Code | N | There is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials |
| Category | Code | Description |
|---|---|---|
| No Freight Information | ||