5305-01-371-3102 SCREW,CAP,SOCKET HEAD Index 5306-01-371-3104 BOLT,CLOSE TOLERANCE

National Stock Number:
5305-01-371-3103

Federal Supply Class:
5305

National Item Identification Number:
013713103

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:
21105509953711NAVAL SEA SYSTEMS COMMAND
21109428253711NAVAL SEA SYSTEMS COMMAND
801-6408779-953711NAVAL SEA SYSTEMS COMMAND


Techincal Specification:
FASTENER LENGTH0.500 INCHES NOMINAL
HEAD DIAMETER0.388 INCHES NOMINAL
HEAD HEIGHT0.113 INCHES NOMINAL
HEAD STYLEFILLISTER
INTERNAL DRIVE STYLESLOT
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281,CLASS A,FORM 1 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALNICKEL ALLOY 400 OVERALL
NOMINAL THREAD DIAMETER0.164 INCHES
SHOULDER SHAPEROUND FIRST SHOULDER
SHOULDER DIAMETER0.285 INCHES NOMINAL FIRST SHOULDER
SHOULDER LENGTH0.140 INCHES MINIMUM AND 0.144 INCHES MAXIMUM FIRST SHOULDER
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.481 INCHES NOMINAL
THREAD SERIES DESIGNATORUNC
THREAD QUANTITY PER INCH32


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