5310-01-428-2153 WASHER,FLAT Index 5310-01-428-2155 WASHER,FLAT

National Stock Number:
5306-01-428-2154

Federal Supply Class:
5306

National Item Identification Number:
014282154

Description:
BOLT,SHOULDER

Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter, No. 10 (0.190 IN.) (5 mm) or larger. It has a round unthreaded neck or shank all or part of which is of greater diameter than the threaded portion. The head is not designed to be held or driven with an inserted drivers. A locking feature may be incorporated in the design of the head or threads. For items with a thread diameter smaller than No. 10 (0.190 IN.) (5 mm) and those items with an inserted drive head, use SCREW, SHOULDER. For items which are No. 10 (0.190 IN.) (5 mm) or larger in size and are both shouldered and have an externally relieved body, use BOLT, EXTERNALLY RELIEVED BODY. Excludes THUMBSCREW.


Manufacturer Information:
6213330-253711NAVAL SEA SYSTEMS COMMAND


Techincal Specification:
THREAD SERIES DESIGNATORUNF
NOMINAL THREAD DIAMETER0.375 INCHES
THREAD QUANTITY PER INCH24
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.500 INCHES NOMINAL
FASTENER LENGTH2.250 INCHES NOMINAL
MATERIALSTEEL COMP 304 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A276 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONAQQ-P-35 FED SPEC 1ST TREATMENT RESPONSE OVERALL
HEAD STYLEDEE CHAMFER
HEAD DIAMETER0.750 INCHES NOMINAL
HEAD HEIGHT0.500 INCHES NOMINAL
DISTANCE FROM CENTERLINE TO FLAT0.340 INCHES NOMINAL
LOCKING FEATUREKNURLED OR
DISTORTIONS BEARING SURFACE OF HEAD
SHOULDER SHAPEROUND FIRST SHOULDER
SHOULDER DIAMETER0.490 INCHES MINIMUM AND
0.495 INCHES MAXIMUM FIRST SHOULDER
SHOULDER LENGTH1.750 INCHES NOMINAL FIRST SHOULDER
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT


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