Part Details | SHOULDERED SHAFT
3040-01-179-9890 A shaft having two or more different diameters (greater than 0.031 inches (0.79 millimeter)) along its length. It must have one or more of the following conditions: a specified surface finish designation in the range 1 to 125 microinches (0.025 to 3.2 micrometers) arithmetical average (AA), machined peripheral flat(s), circular groove(s), keyway(s), splines, threads, or holes. The ends and/or shoulders may be machined to accommodate bearings, couplings, and the like. It is not designed for use in aligning by fitting into corresponding holes of another item. For items used to support rotating members see AXLE(1), SHOULDERED. For items not having any of the above conditions see PIN, SHOULDER, HEADLESS. Excludes SHAFT(1), STRAIGHT; and AXLE(1), STRAIGHT.
Alternate Parts: 90 89434, 75475A, 75475-A, D3494282 PIECE 1, D-34-942-82 PIECE 1, D3494282, D-34-942-82, B75475A, B75475-A, 3040-01-179-9890, 01-179-9890, 3040011799890, 011799890
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 30 | MAY 23, 1984 | 01-179-9890 | 22914 ( SHAFT, SHOULDERED ) |
REFERENCE DRAWINGS & PICTURES
PLAIN
FLAT KEYWAY
PLAIN
FLAT KEYWAY
Cross Reference | NSN 3040-01-179-9890
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 90 89434 | 88907 | BRUNSWICK CORPORATIONDBA MERCURY MARINE |
| 75475-A | 88907 | BRUNSWICK CORPORATIONDBA MERCURY MARINE |
| D-34-942-82 PIECE 1 | 95402 | ELECTRIC BOAT CORPDBA ELECTRO DYNAMIC |
| D-34-942-82 | 95402 | ELECTRIC BOAT CORPDBA ELECTRO DYNAMIC |
| B75475-A | 95402 | ELECTRIC BOAT CORPDBA ELECTRO DYNAMIC |
Technical Data | NSN 3040-01-179-9890
| Characteristic | Specifications |
|---|---|
| FIRST END STYLE | FLAT KEYWAY |
| MATERIAL | STEEL |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-16782 MIL SPEC SINGLE MATERIAL RESPONSE |
| FIRST END KEYWAY WIDTH | 0.2500 INCHES NOMINAL |
| FIRST END EXTERNAL KEYWAY LENGTH | 2.000 INCHES NOMINAL |
| FIRST END KEYWAY DEPTH | 0.125 INCHES NOMINAL |
| FIRST END DIAMETER | 0.9995 INCHES MINIMUM AND 1.0000 INCHES MAXIMUM |
| END SIMILARITY | NOT IDENTICAL |
| SECOND END STYLE | 5 PLAIN |
| SECOND END KEYWAY WIDTH | 0.1880 INCHES NOMINAL |
| SECOND END EXTERNAL KEYWAY LENGTH | 0.500 INCHES NOMINAL |
| SECOND END KEYWAY DEPTH | 0.125 INCHES NOMINAL |
| SECOND END DISTANCE FROM KEYWAY CENTER TO END | 0.500 INCHES NOMINAL |
| SECOND END DIAMETER | 1.2550 INCHES MINIMUM AND 1.2560 INCHES MAXIMUM |
| LARGEST STEP DIAMETER | 1.875 INCHES NOMINAL |
| OVERALL LENGTH | 20.375 INCHES NOMINAL |
| STEP QUANTITY | 7 |