NSN 3020-00-251-0576 B21A56, B21A-56, DG62T56
Product Details | SPUR GEAR
3020-00-251-0576 A gear, cylindrical in form, with straight teeth on the outer surface parallel to the axis of the gear. See also GEAR, ANTIBACKLASH, SPUR. For bulk material, see ROD, PINION.
Part Alternates: B21A56, B21A-56, DG62T56, G6256, G62-56, G6256Q10, G62-56-Q10, GP1956, GP19-56, GP1956P1, GP19-56P1, P48A1056, P48A10-56, 10670301, 530041, 5300412056, 530041-2056, 3020-00-251-0576, 00-251-0576, 3020002510576, 002510576
Mechanical Power Transmission Equipment | Gears, Pulleys, Sprockets, and Transmission Chain
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 30 | 12 JAN 1972 | 00-251-0576 | 05466 ( GEAR, SPUR ) |
Drawings & Photos | NSN 3020-00-251-0576
Cross Reference | NSN 3020-00-251-0576
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 10670301 | 18876 | U S ARMY AVIATION AND MISSILE COMMAND |
| 530041 | 96214 | RAYTHEON COMPANY DBA RAYTHEON |
| 530041-2056 | 96214 | RAYTHEON COMPANY DBA RAYTHEON |
| B21A-56 | 00328 | DESIGNATRONICS INCORPORATED DBA STERLING INSTRUMENTS DIV |
| DG62T56 | 29964 | ALLIED DEVICES CORP DBA ABSOLUTE PRECISION CO |
| G62-56 | 00141 | ROLLER BEARING COMPANY OF AMERICA, INC. |
| G62-56-Q10 | 00141 | ROLLER BEARING COMPANY OF AMERICA, INC. |
| GP19-56 | 23266 | SECS, INC. |
| GP19-56P1 | 23266 | SECS, INC. |
| P48A10-56 | 29440 | W. M. BERG INC |
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Technical Data | NSN 3020-00-251-0576
| Characteristic | Specifications |
|---|---|
| MATERIAL | ALUMINUM ALLOY 2024 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/6,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | ANODIZE OVERALL |
| TEETH QUANTITY | 56 |
| TOOTH FORM | STANDARD |
| PRESSURE ANGLE | 20.0000 DEGREES |
| PRECISION CLASSIFICATION | QUALITY NUMBER 10 OR QUALITY NUMBER 11 |
| STYLE DESIGNATOR | 2 PROTRUDING HUB |
| PITCH DIAMETER | 1.6657 INCHES MINIMUM AND 1.6667 INCHES MAXIMUM |
| NOMINAL OVERALL LENGTH | 0.312 INCHES |
| NOMINAL OUTSIDE DIAMETER | 1.207 INCHES |
| FACE NOMINAL WIDTH | 0.125 INCHES |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.187 INCHES FIRST END |
| BORE STYLE | 1 PLAIN BOTH ENDS |
| BORE NOMINAL DIAMETER | 0.125 INCHES BOTH ENDS |
| HUB STYLE DESIGNATOR | 5 PINNED FIRST END |
| HUB NOMINAL DIAMETER | 0.312 INCHES FIRST END |
| BODY STYLE | 1 PLAIN, SOLID |
| ATTACHMENT METHOD | MOUNTING HOLE |
| MOUNTING HOLE TYPE AND QUANTITY | 1 THREADED TRANSVERSELY THROUGH HUB, FIRST END |
| MOUNTING HOLE THREAD SERIES DESIGNATOR | UNC TRANSVERSELY THROUGH HUB, FIRST END |
| MOUNTING HOLE NOMINAL THREAD SIZE | 0.086 INCHES TRANSVERSELY THROUGH HUB, FIRST END |
| MOUNTING HOLE THREAD QUANTITY PER INCH | 56 TRANSVERSELY THROUGH HUB, FIRST END |
Restrictions/Controls & Freight Information | NSN 3020-00-251-0576
| 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 | ||