5305-00-052-8249 SCREW,CAP,SOCKET HEAD Index 5305-00-052-8251 SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-00-052-8250

Federal Supply Class:
5305

National Item Identification Number:
000528250

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:
FF-S-8681349MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
MS16998-1996906MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
NAS1351-08-8P80205NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE


Techincal Specification:
THREAD SERIES DESIGNATORUNF
NOMINAL THREAD DIAMETER0.164 INCHES
THREAD QUANTITY PER INCH36
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.413 INCHES MINIMUM AND
0.500 INCHES MAXIMUM
FASTENER LENGTH0.469 INCHES MINIMUM AND
0.500 INCHES MAXIMUM
MATERIALSTEEL OVERALL
SURFACE TREATMENTCADMIUM AND
CHROMATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONAMS-QQ-P-416, TY 2, CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING36.0 ROCKWELL C MINIMUM AND
45.0 ROCKWELL C MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH160000 POUNDS PER SQUARE INCH
MINIMUM YIELD STRENGTH130000 POUNDS PER SQUARE INCH
HEAD STYLEFLAT CHAMFER
HEAD DIAMETER0.262 INCHES MINIMUM AND
0.270 INCHES MAXIMUM
HEAD HEIGHT0.159 INCHES MINIMUM AND
0.164 INCHES MAXIMUM
INTERNAL DRIVE STYLEHEXAGON
WIDTH ACROSS FLATS0.141 INCHES MINIMUM AND
0.143 INCHES MAXIMUM
NONDEFINITIVE SPEC/STD DATA6 TYPE
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE81349
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCEFF-S-86


Click here to Register for Free 30-day Trial