Part Details | SHOULDERED SHAFT
3040-01-429-9912 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: 6894456, 6894423 ITEM 4, 6894423, 3040-01-429-9912, 01-429-9912, 3040014299912, 014299912
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 30 | APR 22, 1996 | 01-429-9912 | 22914 ( SHAFT, SHOULDERED ) |
REFERENCE DRAWINGS & PICTURES
FLAT KEYWAY
INTERNAL THREADED
FLAT KEYWAY
INTERNAL THREADED
Cross Reference | NSN 3040-01-429-9912
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 6894456 | 53711 | NAVAL SEA SYSTEMS COMMAND |
| 6894423 ITEM 4 | 53711 | NAVAL SEA SYSTEMS COMMAND |
| 6894423 | 53711 | NAVAL SEA SYSTEMS COMMAND |
Technical Data | NSN 3040-01-429-9912
| Characteristic | Specifications |
|---|---|
| FIRST END STYLE | INTERNAL THREADED |
| MATERIAL | STEEL COMP 4140 |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMIL-S-16974,4140$JGAAISI/SAE 4140$JGAASTM A304,GR 4140H AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) 3RD MATERIAL RESPONSE |
| SURFACE FINISH | 32.0 MICROINCHES |
| FIRST END DIAMETER | 3.8715 INCHES MINIMUM AND 3.8720 INCHES MAXIMUM |
| FIRST END INTERNAL THREAD LENGTH | 0.500 INCHES NOMINAL |
| END SIMILARITY | NOT IDENTICAL |
| SECOND END STYLE | FLAT KEYWAY |
| SECOND END GROOVE WIDTH | 0.0860 INCHES MINIMUM AND 0.0910 INCHES MAXIMUM |
| SECOND END GROOVE DIAMETER | 2.2481 INCHES NOMINAL |
| SECOND END DISTANCE FROM END TO GROOVE | 0.394 INCHES NOMINAL |
| SECOND END DIAMETER | 2.6239 INCHES MINIMUM AND 2.6247 INCHES MAXIMUM |
| SECOND END INTERNAL THREAD LENGTH | 1.000 INCHES NOMINAL |
| LARGEST STEP DIAMETER | 6.500 INCHES NOMINAL |
| OVERALL LENGTH | 6.000 INCHES NOMINAL |
| STEP QUANTITY | 5 |
| SPECIAL FEATURES | FOUR 3/4-10 UNC-2B HOLES ON 5.250 IN.DBC; SECOND END CBORE 0.750 IN.DIA 0.500 IN.DEEP; 7/32 IN. THRU HOLE IN RELIEF PASSAGE; 3/8-16 UNC-3B FIRST END,1/8-27 NPT SECOND END |
| PROPRIETARY CHARACTERISTICS | NPAC |
| END ITEM IDENTIFICATION | STREAM (STD. TENSIONED REPLENISHMENT AT SEA METHOD) |