9905-01-143-7117 PLATE,MARKING,BLANK Index 5305-01-143-7119 SCREW,EXTERNALLY RELIEVED BODY

National Stock Number:
5305-01-143-7118

Federal Supply Class:
5305

National Item Identification Number:
011437118

Description:
SCREW,SHOULDER

Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter, No 0 (0.060 IN.) (1.5 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 designed to be driven with either a wrench or an inserted driver or both in sizes below No. 10 (0.190 IN.) (5 mm) nominal diameter. No. 10 (0.190 IN.) (5 mm) and larger sizes must be designed for any type of inserted driver, but may also provide for external wrenching of the head. A locking feature may be incorporated in the design of the head or threads. For items which are both shouldered and have an externally relieved body, use SCREW, EXTERNALLY RELIEVED BODY. For items with a No. 10 (0.190 IN.) (5 mm) or larger thread diameter without an inserted driver head, use BOLT, SHOULDER. Excludes BOLT, INTERNAL WRENCHING and SCREW, CAP, SOCKET HEAD.


Manufacturer Information:
0N502584-498230NATIONAL SECURITY AGENCY


Techincal Specification:
FASTENER LENGTH0.500 INCHES NOMINAL
HEAD HEIGHT0.250 INCHES NOMINAL
HEAD STYLEUNDERCUT HEXAGON
INTERNAL DRIVE STYLEW/O INTERNAL DRIVE
MATERIALSTEEL COMP 303 OVERALL
SHOULDER LENGTH0.500 INCHES NOMINAL ALL SHOULDERS
SHOULDER SHAPEHEXAGONAL ALL SHOULDERS
SHOULDER WIDTH ACROSS FLATS1.075 INCHES NOMINAL ALL SHOULDERS
WIDTH BETWEEN FLATS0.312 INCHES NOMINAL
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.075 INCHES NOMINAL
THREAD SERIES DESIGNATORUNC


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