NSN 3040-00-385-7731 7186995, 00-385-7731, 003857731
Product Details | WORM SHAFT
3040-00-385-7731 A drive shaft having helical thread(s) on a portion of its outer surface, machined bearing surface(s) and facilities for driving (other than a hub) on one or both ends of shaft. Designed to mate with a cam, gear sector, worm wheel, etc. Includes items with bearings. Excludes items having more than one worm complement of helical threads, items with a separate complement of gear teeth, and GEAR, WORM.
Part Alternates: 7186995, 3040-00-385-7731, 00-385-7731, 3040003857731, 003857731
Mechanical Power Transmission Equipment | Miscellaneous Power Transmission Equipment
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 30 | 01 JAN 1963 | 00-385-7731 | 18249 ( WORM SHAFT ) |
Cross Reference | NSN 3040-00-385-7731
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 7186995 | 19204 | ARMY UNITED STATES DEPARTMENT OF THE |
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Related Products | NSN 3040-00-385-7731
Technical Data | NSN 3040-00-385-7731
| Characteristic | Specifications |
|---|---|
| MATERIAL | STEEL |
| TEETH HARDNESS RATING | 33.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM |
| SHAFT HARDNESS RATING | 33.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM |
| SURFACE TREATMENT | BLACK OXIDE |
| WORM THREAD QUANTITY | 1 |
| WORM PRESSURE ANGLE IN DEG | 14.500 |
| WORM THREAD LEAD | 0.6253 INCHES NOMINAL |
| WORM THREAD DIRECTION | RIGHT-HAND |
| WORM HELIX ANGLE | 4 DEG 34 MIN. |
| WORM OUTSIDE DIAMETER | 2.8866 INCHES NOMINAL |
| WORM PITCH DIAMETER | 2.4886 INCHES NOMINAL |
| WORM THREAD SECTION LENGTH | 3.750 INCHES NOMINAL |
| WORM BODY LENGTH | 6.376 INCHES NOMINAL |
| WORM BODY TAPERED BEARING SURFACE END | NOT PROVIDED |
| SHAFT LOCATION | BOTH ENDS OF WORM |
| END SIMILARITY | NOT IDENTICAL |
| STRAIGHT UNTHREADED LENGTH | 1.312 INCHES NOMINAL FIRST END, FIRST PORTION 1.687 INCHES NOMINAL SECOND END, FIRST PORTION 1.187 INCHES NOMINAL SECOND END, SECOND PORTION |
| STRAIGHT UNTHREADED SECTION DIAMETER | 1.3760 INCHES MINIMUM FIRST END, FIRST PORTION 1.3765 INCHES MAXIMUM FIRST END, FIRST PORTION 1.3760 INCHES MINIMUM SECOND END, FIRST PORTION 1.3765 INCHES MAXIMUM SECOND END, FIRST PORTION 0.998 INCHES MINIMUM SECOND END, SECOND PORTION 1.000 INCHES MAXIMUM SECOND END, SECOND PORTION |
| UNTHREADED SECTION KEYWAY WIDTH | 0.2465 INCHES MINIMUM SECOND END, SECOND PORTION 0.2485 INCHES MAXIMUM SECOND END, SECOND PORTION |
| UNTHREADED SECTION KEYWAY DEPTH | 0.136 INCHES MINIMUM SECOND END, SECOND PORTION 0.139 INCHES MAXIMUM SECOND END, SECOND PORTION |
| OVERALL LENGTH | 10.563 INCHES NOMINAL |
| SPECIAL FEATURES | BOTH ENDS CHAMFERED 0.0625 BY 45 DEG AND THREAD SURFACE FINISH 32AA |
| III FSC APPLICATION DATA | LAUNCHER,762-MM ROCKET,TRUCK MOUNTED,XM289 |
Restrictions/Controls & Freight Information | NSN 3040-00-385-7731
| 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: | C | Munitions List Item or Commerce Control List Item. Demilitarization required. Remove and/or demilitarize installed key point(s) as prescribed in the Defense Demilitarization Manual, or lethal parts, components and accessories. |
| 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 |
|---|---|---|
| NMF Description | 019940 | AUTO TRANSMISSIONS R CLUTCHES |
| Less than car load rating | M | 85 |
| Less than truck load rating | M | 85.0 |
| Water commodity Code | 581 | unknown |
| Originating Activity Code | XX | |
| Air Dimension Code | A | Shipment is not a consolidation and does not exceed 72 inches in any dimension. |
| Air Commodity | V | Vehicles, machinery, shop and warehouse equipment and supplies, including special tools and equipment, ground servicing and special purpose vehicles, marine equipment and supplies, repair and maintenance parts for the above. |
| Air Special Handling | Z | No special handling required. |
| Special Handling Code | 9 | unknonwn |
| HAZMAT | ||
| Type of Cargo | Z | No special type of cargo code applicable |