8470-01-551-7754 BASE VEST ASSEMBLY Index 5310-01-551-7756 WASHER,FLAT

National Stock Number:
5306-01-551-7755

Federal Supply Class:
5306

National Item Identification Number:
015517755

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:
8H-A31153064S4BAE SYSTEMS LAND & ARMAMENTS L.P.
TYUW33016A064S4BAE SYSTEMS LAND & ARMAMENTS L.P.


Techincal Specification:
FASTENER LENGTH68.0 MILLIMETERS NOMINAL
HEAD HEIGHT5.0 MILLIMETERS NOMINAL
HEAD STYLEHEXAGON
MATERIALSTEEL OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCYAXLE .3125 SHORT
PROPRIETARY CHARACTERISTICSPACS
NOMINAL THREAD DIAMETER0.250 INCHES
SPECIAL FEATURESALLOY STAINLESS STEEL, PH 15-5
SHOULDER DIAMETER7.9 MILLIMETERS NOMINAL OVERALL
SHOULDER SHAPEROUND OVERALL
SHOULDER LENGTH48.0 MILLIMETERS NOMINAL OVERALL
WIDTH BETWEEN FLATS12.7 MILLIMETERS NOMINAL
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH15.0 MILLIMETERS NOMINAL
THREAD QUANTITY PER INCH28
THREAD SERIES DESIGNATORUNF


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