NSN 3040-00-755-4898

Part Details | SHOULDERED SHAFT

3040-00-755-4898 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: 11014618, 11014618, 3040-00-755-4898, 00-755-4898, 3040007554898, 007554898

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
30JAN 01, 196000-755-489822914 ( SHAFT, SHOULDERED )
REFERENCE DRAWINGS & PICTURES

PLAIN

PLAIN

Cross Reference | NSN 3040-00-755-4898
Part Number Cage Code Manufacturer
1101461819205SPRINGFIELD ARMORY
1101461819200US ARMY ARDEC RDECOM
Technical Data | NSN 3040-00-755-4898
Characteristic Specifications
FIRST END STYLE4 PLAIN
MATERIAL STEEL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763,CLASS 303SE,COND B MIL SPEC SINGLE MATERIAL RESPONSE
SURFACE FINISH250.0 MICROINCHES
FIRST END DISTANCE FROM END TO FLAT0.250 INCHES NOMINAL
FIRST END DIAMETER0.1238 INCHES MINIMUM AND 0.1248 INCHES MAXIMUM
FIRST END GROOVED FLAT LENGTH0.2500 INCHES MINIMUM AND 0.2700 INCHES MAXIMUM
FIRST END GROOVED FLAT DEPTH0.021 INCHES NOMINAL
END SIMILARITY NOT IDENTICAL
SECOND END STYLE3 PLAIN
SECOND END DIAMETER0.1120 INCHES NOMINAL
SECOND END WIDTH ACROSS FLATS0.077 INCHES MINIMUM AND 0.080 INCHES MAXIMUM
SECOND END STEP LENGTH0.100 INCHES NOMINAL
LARGEST STEP DIAMETER0.1238 INCHES MINIMUM AND 0.1248 INCHES MAXIMUM
OVERALL LENGTH3.980 INCHES MINIMUM AND 4.000 INCHES MAXIMUM
STEP QUANTITY3
SPECIAL FEATURESSECOND STEP THD,NO. 4(.112)-40 UNC-2A,LOCATED 0.530 IN. LG. FROM SECOND END,SPLINE 0.430 IN. LG