NSN 3020-00-251-0879 DA6157, 00-251-0879, 002510879
Product Details | HELICAL GEAR
3020-00-251-0879 A gear, cylindrical in form, with teeth on the outer surface at an angle to the axis of the gear. See also GEAR, ANTIBACKLASH, HELICAL
Part Alternates: DA6157, 3020-00-251-0879, 00-251-0879, 3020002510879, 002510879
Mechanical Power Transmission Equipment | Gears, Pulleys, Sprockets, and Transmission Chain
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 30 | 01 JAN 1963 | 00-251-0879 | 05464 ( GEAR, HELICAL ) |
Drawings & Photos | NSN 3020-00-251-0879
Cross Reference | NSN 3020-00-251-0879
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| DA6157 | 81601 | NORFOLK NAVAL SHIPYARD |
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Related Products | NSN 3020-00-251-0879
Technical Data | NSN 3020-00-251-0879
| Characteristic | Specifications |
|---|---|
| MATERIAL | STEEL COMP 1137 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD SINGLE MATERIAL RESPONSE AND AISI/SAE 1137 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| HARDNESS RATING | 21.0 ROCKWELL C MINIMUM AND 25.0 ROCKWELL C MAXIMUM OVERALL |
| TEETH QUANTITY | 30 |
| TEETH TYPE | SINGLE HELIX |
| TOOTH FORM | STANDARD |
| TOOTH DIRECTION | RIGHT |
| PRESSURE ANGLE | 14.5000 DEGREES |
| HELIX ANGLE | 26.8333 DEGREES |
| STYLE DESIGNATOR | 2 PROTRUDING HUB |
| PITCH DIAMETER | 3.3622 INCHES NOMINAL |
| NOMINAL OVERALL LENGTH | 1.359 INCHES |
| NOMINAL OUTSIDE DIAMETER | 3.5622 INCHES |
| FACE NOMINAL WIDTH | 1.219 INCHES |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.140 INCHES FIRST END |
| BORE STYLE | 10A W/KEYWAY BOTH ENDS |
| BORE NOMINAL DIAMETER | 1.999 INCHES BOTH ENDS |
| KEYWAY NOMINAL WIDTH | 0.312 INCHES BOTH ENDS |
| NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM | 1.166 INCHES BOTH ENDS |
| HUB STYLE DESIGNATOR | 1 PLAIN FIRST END |
| HUB NOMINAL DIAMETER | 2.875 INCHES FIRST END |
| BODY STYLE | 1 PLAIN, SOLID |
| SPECIAL FEATURES | TIMING MARK AT CENTER LINE OF TOOTH SPACED 42 DEG 14 MIN FROM CENTER LINE OF KEYWAY,2 PULLER HOLES 3/8-16 UNC 2B THD,9/16 IN. DEEP ON 2-9/16 IN. DIA BOLT CIRCLE |
| MANUFACTURERS CODE | 81601 |
| DESIGN CONTROL REFERENCE | DA6157 |
Restrictions/Controls & Freight Information | NSN 3020-00-251-0879
| 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: | 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 |
|---|---|---|
| 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 | 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 |
Management | NSN 3020-00-251-0879
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 | X | SEMIACTIVE ITEM-NO REPLACEMENT (NON-STOCKED ITEMS) A potentially inactive NSN which must be retained in the supply system as an item of supply because (1) stocks of the item are on hand or in use below the wholesale level and (2) the NSN is cited in equipment authorization documents TO & E, TA, TM, etc., or in-use assets are being reported. 1. Items are authorized for central procurement but not authorized for stockage at wholesale level. 2. Requisitions for in-use replacement will be authorized in accordance with individual Military Service directives. 3. Requisitions may be submitted as requirements generate. Repetitive demands may dictate an AAC change to permit wholesale stockage. |
| Controlled Item Code | U | UNCLASSIFIED |
| Shelf Life Code | 0 | Nondeteriorative |
| Purchasing | QTY UOM |
1 EA : Each |