5305-00-656-0046 SCREW,MACHINE Index 5310-00-656-0053 WASHER,LOCK

National Stock Number:
5305-00-656-0051

Federal Supply Class:
5305

National Item Identification Number:
006560051

Description:
SCREW,CAP,SOCKET HEAD

Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See BOLT, INTERNAL WRENCHING. Excludes SCREW, SHOULDER; and SCREW, MACHINE.


Manufacturer Information:
908160518876U S ARMY AVIATION AND MISSILE COMMAND
MILS783980205NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE
NK507C1032R726233NYLOK LLC
MILS783981349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M


Techincal Specification:
THREAD SERIES DESIGNATORUNF
NOMINAL THREAD DIAMETER0.190 INCHES
THREAD QUANTITY PER INCH32
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.355 INCHES MINIMUM
FASTENER LENGTH0.438 INCHES NOMINAL
MATERIALSTEEL COMP 4037 OR
STEEL COMP 8630 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONAMS-6300 ASSN STD 1ST MATERIAL RESPONSE OR
MIL-S-6050 MIL SPEC 2ND MATERIAL RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING26.0 ROCKWELL C MINIMUM AND
32.0 ROCKWELL C MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH125000 POUNDS PER SQUARE INCH
HEAD STYLEFLAT COUNTERSUNK
HEAD DIAMETER0.359 INCHES MINIMUM AND
0.385 INCHES MAXIMUM
COUNTERSINK ANGLE100.0 DEGREES NOMINAL
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
DEPARTURE FROM CITED DESIGNATORAS MOD BY LOCKING FEATURE


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