NSN 3020-01-007-5471 AB250-120/SS25 P2, AB250-120-250/S, AB250120250S
Product Details | SPUR ANTIBACKLASH GEAR
3020-01-007-5471 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: AB250-120/SS25 P2, AB250-120-250/S, AB250120250S, AB250120SS25P2, ABP30120P2, ABP30-120P2, P173120P2, P17-3-120P2, Z6E120P2, Z6E-120P2, 77C708688P057, 77C708688P57, 3020-01-007-5471, 01-007-5471, 3020010075471, 010075471
Mechanical Power Transmission Equipment | Gears, Pulleys, Sprockets, and Transmission Chain
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 30 | 05 AUG 1975 | 01-007-5471 | 26668 ( GEAR, ANTIBACKLASH, SPUR ) |
Drawings & Photos | NSN 3020-01-007-5471
Cross Reference | NSN 3020-01-007-5471
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 77C708688P057 | 03538 | LOCKHEED MARTIN CORPORATION DIV MST |
| 77C708688P57 | 03538 | LOCKHEED MARTIN CORPORATION DIV MST |
| AB250-120-250/S | 01351 | SOUTHERN GEAR & MACHINE, INC. |
| AB250-120/SS25 P2 | 01351 | SOUTHERN GEAR & MACHINE, INC. |
| ABP30-120P2 | 23266 | SECS, INC. |
| P17-3-120P2 | 00141 | ROLLER BEARING COMPANY OF AMERICA, INC. |
| Z6E-120P2 | 00328 | DESIGNATRONICS INCORPORATED DBA STERLING INSTRUMENTS DIV |
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Technical Data | NSN 3020-01-007-5471
| Characteristic | Specifications |
|---|---|
| MATERIAL | STEEL COMP 303 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-764,TYPE 303,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE HUB |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35,TYPE 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| TEETH QUANTITY | 120 |
| TOOTH FORM | STANDARD |
| PRESSURE ANGLE | 20.0000 DEGREES |
| PRECISION CLASSIFICATION | QUALITY NUMBER 12 |
| STYLE DESIGNATOR | 2 PROTRUDING HUB |
| PITCH DIAMETER | 1.8740 INCHES MINIMUM AND 1.8750 INCHES MAXIMUM |
| NOMINAL OUTSIDE DIAMETER | 1.905 INCHES |
| FACE NOMINAL WIDTH | 0.104 INCHES |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.281 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 | 0.500 INCHES FIRST END |
Restrictions/Controls & Freight Information | NSN 3020-01-007-5471
| 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 | AX | Defense Supply Center Columbus Columbus, OH 43216-5000 |
| 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 3020-01-007-5471
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 | J | NOT STOCKED, CENTRALLY PROCURED # (NON-STOCKED ITEMS) IMM/Service centrally managed but not stocked item. Procurement will be initiated only after receipt of a requisition. |
| Controlled Item Code | U | UNCLASSIFIED |
| Shelf Life Code | 0 | Nondeteriorative |
| Purchasing | QTY UOM |
1 EA : Each |