Part Details | SHOULDERED SHAFT
3040-01-251-8397 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: 5210186, 5210186, 3040-01-251-8397, 01-251-8397, 3040012518397, 012518397
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 30 | MAR 25, 1987 | 01-251-8397 | 22914 ( SHAFT, SHOULDERED ) |
REFERENCE DRAWINGS & PICTURES
FLAT KEYWAY
FLAT KEYWAY
Cross Reference | NSN 3040-01-251-8397
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 5210186 | 53711 | NAVAL SEA SYSTEMS COMMAND |
| 5210186 | 03679 | ROSENBLATT M AND SON INC |
Technical Data | NSN 3040-01-251-8397
| Characteristic | Specifications |
|---|---|
| FIRST END STYLE | FLAT KEYWAY |
| MATERIAL | STEEL COMP 4340 |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE |
| SURFACE FINISH | 63.0 MICROINCHES |
| FIRST END KEYWAY WIDTH | 0.5010 INCHES NOMINAL |
| FIRST END EXTERNAL KEYWAY LENGTH | 2.185 INCHES NOMINAL |
| FIRST END KEYWAY DEPTH | 0.284 INCHES NOMINAL |
| FIRST END DIAMETER | 2.2511 INCHES NOMINAL |
| END SIMILARITY | NOT IDENTICAL |
| SECOND END STYLE | FLAT KEYWAY |
| SECOND END KEYWAY WIDTH | 0.6260 INCHES NOMINAL |
| SECOND END EXTERNAL KEYWAY LENGTH | 3.080 INCHES NOMINAL |
| SECOND END KEYWAY DEPTH | 0.3567 INCHES NOMINAL |
| SECOND END DIAMETER | 2.4997 INCHES NOMINAL |
| LARGEST STEP DIAMETER | 3.450 INCHES NOMINAL |
| OVERALL LENGTH | 28.750 INCHES NOMINAL |
| STEP QUANTITY | 8 |
| SPECIAL FEATURES | TWO THREADED HOLES IN FIRST END 3/8-24UNF-2B X 1/2 IN.DP 180 DEG APART |