5310-00-543-4917 WASHER,FLAT Index 5310-00-543-4919 WASHER,FLAT

National Stock Number:
5305-00-543-4918

Federal Supply Class:
5305

National Item Identification Number:
005434918

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:
106920810001NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER


Techincal Specification:
THREAD SERIES DESIGNATORUNC
NOMINAL THREAD DIAMETER0.112 INCHES
THREAD QUANTITY PER INCH40
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.231 INCHES MINIMUM
FASTENER LENGTH0.250 INCHES NOMINAL
MATERIALSTEEL COMP 410 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING35.0 ROCKWELL C MINIMUM AND
45.0 ROCKWELL C MAXIMUM OVERALL
HEAD STYLEFLAT CHAMFER
HEAD DIAMETER0.176 INCHES MINIMUM AND
0.183 INCHES MAXIMUM
HEAD HEIGHT0.108 INCHES MINIMUM AND
0.112 INCHES MAXIMUM
INTERNAL DRIVE STYLEHEXAGON
WIDTH ACROSS FLATS0.078 INCHES NOMINAL
NONDEFINITIVE SPEC/STD DATA1 TYPE
DEPARTURE FROM CITED DESIGNATORAS MODIFIED BY MATERIAL AND METALLIC HARDNESS RATING


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