NSN 3020-01-598-9938 A4818TS, 01-598-9938, 015989938
Product Details | WORM WHEEL ANTIBACKLASH GEAR
3020-01-598-9938 An item having one fixed gear and one free gear, both having the same complement of worm wheel gear teeth, mounted on a common hub. The free gear is attached to the fixed gear by springs and operates as one gear. Upon installation with the mating gear, the teeth of the free moving gear are preset to mesh with teeth other than those of the fixed gear. This spring tension between the fixed gear and the free gear eliminates any free motion between the driver and the driven gear. The gear is used where identical and accurate transmitted motion between gears is required.
Part Alternates: A4818TS, 3020-01-598-9938, 01-598-9938, 3020015989938, 015989938
Mechanical Power Transmission Equipment | Gears, Pulleys, Sprockets, and Transmission Chain
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 30 | 08 SEP 2011 | 01-598-9938 | 26669 ( GEAR, ANTIBACKLASH, WORM WHEEL ) |
Cross Reference | NSN 3020-01-598-9938
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| A4818TS | 32697 | VELMEX, INC. |
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Related Products | NSN 3020-01-598-9938
Technical Data | NSN 3020-01-598-9938
| Characteristic | Specifications |
|---|---|
| SPECIAL FEATURES | 90.7KG COMPRESSION LOAD; 45KG TENSILE LOAD; 500 IN-LB CANTILEVER LOAD; 0.00025IN AXIAL RUN-OUT; 0.0005IN RADIAL RUN-OUT; 100 ARC-SECOND ACCURACY; 2.5KG IN WEIGHT; 18:1 GEAR RATIO; 600 ARC-SECOND BACKLASH |
| END ITEM IDENTIFICATION | AICCMFD ALLIGNMENT FIXTURE |
Restrictions/Controls & Freight Information | NSN 3020-01-598-9938
| 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. |
| Electro-static Discharge Susceptible: | A | No known Electrostatic Discharge (ESD) or Electromagnetic Interference (EMI) sensitivity |
| 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. |
| Automatic Data Processing Equipment: | 0 | Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9) |
| Category | Code | Description |
|---|---|---|
| No Freight Information | ||