5305-01-065-7271 SCREW,EXTERNALLY RELIEVED BODY Index 5930-01-065-7273 SWITCH,ROTARY

National Stock Number:
5305-01-065-7272

Federal Supply Class:
5305

National Item Identification Number:
010657272

Description:
SCREW,EXTERNALLY RELIEVED BODY

Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter, and whose unthreaded portion has been machined or ground in one or more places or over its entire length to a maximum diameter less than the minimum pitch diameter of the thread (excludes undercut for thread relief). It is No. 0 (0.060 IN.) (1.5 mm) or larger, and is designed to be held or driven with either a wrench or inserted driver (excluding internal socket and multiple spline types) or both in sizes below No. 10 (0.190 IN.) (5 mm) and larger sizes must have a head designed for any type inserted driver (excluding internal socket and multiple spline types) but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. See also BOLT, EXTERNALLY RELIEVED BODY and BOLT, INTERNAL WRENCHING.


Manufacturer Information:
SM-C-775486-1511447L3 TECHNOLOGIES, INC.
SM-C-775486-1549671LOCKHEED MARTIN CORP LOCKHEED MARTIN INFORMATION SYSTEMS AUTOMATED SPARES
SM-C-775486-1580063US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR


Techincal Specification:
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER0.630 INCHES NOMINAL
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY1
FASTENER LENGTH0.880 INCHES NOMINAL
FIRST DIAMETER FROM HEAD0.140 INCHES NOMINAL
HEAD HEIGHT0.160 INCHES NOMINAL
HEAD STYLEHEXAGON
INTERNAL DRIVE STYLESLOT
MATERIALSTEEL COMP 630 OVERALL
NOMINAL THREAD DIAMETER0.190 INCHES
POINT LENGTH0.040 INCHES NOMINAL
POINT STYLECONE
POINT CHAMFER ANGLE120.0 DEGREES NOMINAL
WIDTH BETWEEN FLATS0.375 INCHES NOMINAL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
THREAD LENGTH0.250 INCHES NOMINAL
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD SERIES DESIGNATORUNF
THREAD QUANTITY PER INCH32


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