NSN 3020-00-493-9742 LB91251, LB-91251, 91251
Product Details | WORM GEAR
3020-00-493-9742 A gear with teeth on its outer surface in the form of helical threads.
Part Alternates: LB91251, LB-91251, 91251, 3020-00-493-9742, 00-493-9742, 3020004939742, 004939742
Mechanical Power Transmission Equipment | Gears, Pulleys, Sprockets, and Transmission Chain
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 30 | 07 OCT 1970 | 00-493-9742 | 05467 ( GEAR, WORM ) |
Drawings & Photos | NSN 3020-00-493-9742
Cross Reference | NSN 3020-00-493-9742
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 91251 | 0BR59 | DRESSER-RAND COMPANY DBA STEAM TRBINE MTR GENERATOR DIV |
| 91251 | 93235 | TURBODYNE DIV OF DRESSER INDUSTRIES INC |
| LB-91251 | 93232 | CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION |
| LB91251 | 0BR59 | DRESSER-RAND COMPANY DBA STEAM TRBINE MTR GENERATOR DIV |
| LB91251 | 93235 | TURBODYNE DIV OF DRESSER INDUSTRIES INC |
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Related Products | NSN 3020-00-493-9742
Technical Data | NSN 3020-00-493-9742
| Characteristic | Specifications |
|---|---|
| MATERIAL | STEEL COMP 4615 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-624 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| HARDNESS RATING | 55.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM OVERALL |
| FACE TYPE | STRAIGHT |
| THREAD FORM QUANTITY | 4 |
| THREAD FORM DIRECTION | RIGHT-HAND |
| PRESSURE ANGLE | 14.5000 DEGREES |
| HELIX ANGLE | 7.7524 DEGREES |
| STYLE DESIGNATOR | 1 HUBLESS |
| PITCH DIAMETER | 2.9220 INCHES NOMINAL |
| NOMINAL OUTSIDE DIAMETER | 3.123 INCHES |
| FACE NOMINAL WIDTH | 2.000 INCHES |
| BORE STYLE | 10A W/KEYWAY BOTH ENDS |
| BORE NOMINAL DIAMETER | 1.749 INCHES BOTH ENDS |
| KEYWAY NOMINAL WIDTH | 0.250 INCHES BOTH ENDS |
| NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM | 1.006 INCHES BOTH ENDS |
| MANUFACTURERS CODE | 93235 |
| DESIGN CONTROL REFERENCE | 91251 |
Restrictions/Controls & Freight Information | NSN 3020-00-493-9742
| Category | Code | Description |
|---|---|---|
| Shelf-Life Code: | 0 | Nondeteriorative |
| 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. |
| Controlled Inventory Item Code: | U | UNCLASSIFIED |
| 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 |
|---|---|---|
| NMF Description | 197339 | WHEELS COG/GEAR/PINION I/S |
| Less than car load rating | ||
| Less than truck load rating | R | 65.0 |
| Water commodity Code | 593 | unknown |
| Originating Activity Code | HD | Naval Inventory Control Point Mechanicsburg, PA 17055-0788 |
| 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 |
Management | NSN 3020-00-493-9742
Navy| Category | Code | Description |
|---|---|---|
| Cognizance Codes | 9B | Navy-owned stocks of DLA material Naval Inventory Control Point, Mechanicsburg |
| Source of Supply | SMS | Defense Logistics Agency Enterprise Business Systems |
| Agency | DN | Department of the Navy |
| Service Organization | N | U.S. Navy |
| Acquisition Advice Codes | Z | INSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with IMM/Service requisitioning procedures. |
| Controlled Item Code | U | UNCLASSIFIED |
| Shelf Life Code | 0 | Nondeteriorative |
| Purchasing | QTY UOM |
1 EA : Each |