NSN 3020-00-455-9289 AB150-144/P2-2498, AB1501442498, AB150-144-2498
Product Details | SPUR ANTIBACKLASH GEAR
3020-00-455-9289 An item having one fixed gear and one free gear, both having the same complement of spur 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: AB150-144/P2-2498, AB1501442498, AB150-144-2498, AB150144P22498, ACC8144P2, ACC8-144P2, 1801174144, 1801174-144, 3020-00-455-9289, 00-455-9289, 3020004559289, 004559289
Mechanical Power Transmission Equipment | Gears, Pulleys, Sprockets, and Transmission Chain
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 30 | 21 APR 1969 | 00-455-9289 | 26668 ( GEAR, ANTIBACKLASH, SPUR ) |
Drawings & Photos | NSN 3020-00-455-9289
Cross Reference | NSN 3020-00-455-9289
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Technical Data | NSN 3020-00-455-9289
| Characteristic | Specifications |
|---|---|
| MATERIAL | STEEL HUB |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-7720,COMP 303 MIL SPEC SINGLE MATERIAL RESPONSE HUB |
| SURFACE TREATMENT | ANODIZE OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625,TYPE 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| TEETH QUANTITY | 144 |
| TOOTH FORM | STANDARD |
| PRESSURE ANGLE | 20.0000 DEGREES |
| STYLE DESIGNATOR | 2 PROTRUDING HUB |
| PITCH DIAMETER | 3.0000 INCHES NOMINAL |
| NOMINAL OVERALL LENGTH | 0.375 INCHES |
| NOMINAL OUTSIDE DIAMETER | 3.0417 INCHES |
| FACE NOMINAL WIDTH | 0.125 INCHES |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.250 INCHES FIRST END |
| BORE STYLE | 1 PLAIN BOTH ENDS |
| BORE NOMINAL DIAMETER | 0.250 INCHES BOTH ENDS |
| HUB STYLE DESIGNATOR | 5 PINNED FIRST END |
| HUB NOMINAL DIAMETER | 0.563 INCHES FIRST END |
| ATTACHMENT METHOD | MOUNTING HOLE |
| SPECIAL FEATURES | HOLE LOCATION HUB BETWEEN HUB END AND GEAR FACE 90 DEG APART; MOUNTING HOLE NOM DIA 0.063 IN.,TYPE PLAIN QTY1 AND THREADED QTY 1,THREAD SERIES DESIGNATOR UNC,NOM THREAD SIZE 0.112 IN.,THREAD QTY PER IN. 40 |
Restrictions/Controls & Freight Information | NSN 3020-00-455-9289
| 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: | U | Precious metal type is unknown |
| 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 | ||