2520-00-753-8297 HOUSING FLYWHEEL AS Index 2920-00-753-8303 CABLE SET IGNITION

National Stock Number:
5306-00-753-8301

Federal Supply Class:
5306

National Item Identification Number:
007538301

Description:
BOLT,INTERNALLY RELIEVED BODY

Detail:
An externally threaded fastener whose external threaded portion is of one nominal diameter. It has a concentric hole along the longitudinal centerline which may extend a part or the full length of the bolt. The concentric hole along the centerline may be counterbored and/or internally threaded at the head end or the bolt end. The head is designed to be held or driven by an external and/or internal driver. For items having a hole(s) perpendicular to the axis which meet the concentric hole along the longitudinal centerline, see BOLT, FLUID PASSAGE.


Manufacturer Information:
213601524617GENERAL MOTORS CORP
21360157X677GENERAL MOTORS LLC
753830119207U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM


Techincal Specification:
CONCENTRIC HOLE DIAMETER0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM
FASTENER LENGTH1.406 INCHES NOMINAL
HEAD HEIGHT0.625 INCHES NOMINAL
HEAD STYLEHEXAGON
INTERNAL THREAD DIRECTIONRIGHT-HAND COUNTERBORE
INTERNAL THREAD LENGTH0.219 INCHES NOMINAL COUNTERBORE
MATERIAL DOCUMENT AND CLASSIFICATION1280-MO GM FSCM 24617 MFR REF SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL OVERALL
NOMINAL THREAD DIAMETER0.312 INCHES
NOMINAL THREAD SIZE0.437 INCHES COUNTERBORE
NONSTANDARD INTERNAL THREAD PITCH DIAMETER+0.4104 TO 0.4128 INCHES COUNTERBORE
SHOULDER DIAMETER0.371 INCHES MINIMUM AND 0.375 INCHES MAXIMUM
SHOULDER LENGTH0.750 INCHES NOMINAL
SPECIAL FEATURESCONCENTRIC HOLE COUNTERBORED TO 0.253 IN MIN 0.257 IN MAX DIA BY 3/16 IN DEEP ON HEAD END
STYLE DESIGNATORCOUNTERBORE THREADED
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION4252-M,CL A FSCM 24617 MFR REF SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTZINC OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.531 INCHES MINIMUM
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
THREAD SERIESUNS COUNTERBORE
THREAD QUANTITY PER INCH18
THREADS PER INCH24 COUNTERBORE
WIDTH BETWEEN FLATS0.500 INCHES NOMINAL


Click here to Register for Free 30-day Trial