NSN 3040-01-142-2985
Part Details | STRAIGHT SHAFT
3040-01-142-2985 A straight shaft having two or more of the following conditions: a specified surface finish designation in the range of 1 to 125 microinches (o.o25 to 3.2 micrometers), arithmetical average (aa), machined peripheral flat(s), circular groove (s), keyway(s), splines, threads, or holes. It is not designed for use in aligning by fitting into corresponding holes of another item. It may be drilled for lubricating holes. For items having an integral gear(s) or worm(s), see GEARSHAFT (as modified). For items designed to support rotating members see AXLE(1), STRAIGHT. For items not having the above conditions see PIN, STRAIGHT, HEADLESS. For items having machined ends which constitute steps see SHAFT(1), SHOULDERED; AXLE(1), SHOULDERED; and BOLT, FLUID PASSAGE.
Alternate Parts: 5256781 PIECE 2, 3040-01-142-2985, 01-142-2985, 3040011422985, 011422985
| Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 30 | NOV 14, 1982 | 01-142-2985 | 22109 ( SHAFT, STRAIGHT ) |
REFERENCE DRAWINGS & PICTURES
PLAIN
FLAT KEYWAY
PLAIN
FLAT KEYWAY
Cross Reference | NSN 3040-01-142-2985
| Part Number | Cage Code | Manufacturer |
|---|---|---|
| 5256781 PIECE 2 | 81994 | PHILADELPHIA NAVAL SHIPYARD |
Technical Data | NSN 3040-01-142-2985
| Characteristic | Specifications |
|---|---|
| MATERIAL | STEEL |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-741 FED SPEC SINGLE MATERIAL RESPONSE |
| SURFACE FINISH | 63.0 MICROINCHES |
| FIRST END STYLE | FLAT KEYWAY |
| FIRST END KEYWAY WIDTH | 0.4375 INCHES NOMINAL |
| FIRST END EXTERNAL KEYWAY LENGTH | 2.375 INCHES NOMINAL |
| FIRST END KEYWAY DEPTH | 0.219 INCHES NOMINAL |
| FIRST END DIAMETER | 1.8720 INCHES MINIMUM AND 1.8730 INCHES MAXIMUM |
| END SIMILARITY | NOT IDENTICAL |
| SECOND END STYLE | 5 PLAIN |
| SECOND END KEYWAY WIDTH | 0.4375 INCHES NOMINAL |
| SECOND END EXTERNAL KEYWAY LENGTH | 2.375 INCHES NOMINAL |
| SECOND END KEYWAY DEPTH | 0.219 INCHES NOMINAL |
| SECOND END DISTANCE FROM KEYWAY CENTER TO END | 1.312 INCHES NOMINAL |
| SECOND END DIAMETER | 1.8700 INCHES MINIMUM AND 1.8710 INCHES MAXIMUM |
| OVERALL LENGTH | 10.625 INCHES NOMINAL |
| SPECIAL FEATURES | BOTH ENDS CHAMFERED 0.062 IN. BY 45 DEGREES |