NSN 3020-00-674-7857 672B301, 672B301P1, 00-674-7857
Product Details | WORM GEAR
3020-00-674-7857 A gear with teeth on its outer surface in the form of helical threads.
Part Alternates: 672B301, 672B301P1, 3020-00-674-7857, 00-674-7857, 3020006747857, 006747857
Mechanical Power Transmission Equipment | Gears, Pulleys, Sprockets, and Transmission Chain
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 30 | 01 JAN 1963 | 00-674-7857 | 05467 ( GEAR, WORM ) |
Drawings & Photos | NSN 3020-00-674-7857
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Related Products | NSN 3020-00-674-7857
Technical Data | NSN 3020-00-674-7857
| Characteristic | Specifications |
|---|---|
| MATERIAL | COPPER ALLOY OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-B-636,CL A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | OXIDE OVERALL |
| FACE TYPE | STRAIGHT |
| THREAD FORM QUANTITY | 1 |
| THREAD FORM DIRECTION | RIGHT-HAND |
| PRESSURE ANGLE | 20.0000 DEGREES |
| HELIX ANGLE | 1.2666 DEGREES |
| STYLE DESIGNATOR | 2 PROTRUDING HUB |
| PITCH DIAMETER | 0.3749 INCHES NOMINAL |
| NOMINAL OUTSIDE DIAMETER | 0.390 INCHES |
| FACE NOMINAL WIDTH | 0.190 INCHES |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.320 INCHES FIRST END |
| BORE STYLE | 1 PLAIN BOTH ENDS |
| BORE NOMINAL DIAMETER | 0.125 INCHES BOTH ENDS |
| HUB STYLE DESIGNATOR | 1 PLAIN FIRST END |
| HUB NOMINAL DIAMETER | 0.260 INCHES FIRST END |
| ATTACHMENT METHOD | MOUNTING HOLE |
| MOUNTING HOLE TYPE AND QUANTITY | 2 THREADED AXIALLY THROUGH HUB, FIRST END |
| MOUNTING HOLE THREAD SERIES DESIGNATOR | UNC AXIALLY THROUGH HUB, FIRST END |
| MOUNTING HOLE NOMINAL THREAD SIZE | 0.086 INCHES AXIALLY THROUGH HUB, FIRST END |
| SPECIAL FEATURES | MTG HOLES 90 DEGS APART |
Restrictions/Controls & Freight Information | NSN 3020-00-674-7857
| 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 |
| Demilitarization Code: | A | Non-Munitions List Item/ Non-Strategic List Item - Demilitarization not required. |
| Precious Metals Indicator Code: | A | Item does not contain precious metal |
| Criticality Code: | X | The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application. |
| Category | Code | Description |
|---|---|---|
| No Freight Information | ||