1390-00-407-7756 BOOSTER,FUZE Index 5315-00-407-7758 PIN,SHOULDER,HEADLESS

National Stock Number:
5305-00-407-7757

Federal Supply Class:
5305

National Item Identification Number:
004077757

Description:
SETSCREW

Detail:
An externally threaded device whose threaded portion is of one nominal diameter with or without a head and having a cup, cone, or other type of machined point designed to prevent or restrict relative movement of parts and designed to be driven with either a wrench or inserted driver. A locking feature may be incorporated in the design of the head or threads.


Manufacturer Information:
SCD1639PT3480063US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR


Techincal Specification:
FASTENER LENGTH0.344 INCHES NOMINAL
FEATURES PROVIDEDCASE-HARDENED
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
MATERIALSTEEL OVERALL
NOMINAL THREAD DIAMETER0.250 INCHES
POINT DIAMETER0.172 INCHES NOMINAL
POINT LENGTH0.141 INCHES NOMINAL
POINT STYLEDOG
THREAD QUANTITY PER INCH20
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.203 INCHES MINIMUM


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