5305-00-521-8635 SCREW,MACHINE Index 5305-00-521-8637 SCREW,CAP,SOCKET HEAD

National Stock Number:
5305-00-521-8636

Federal Supply Class:
5305

National Item Identification Number:
005218636

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:
1000282423KLEINSCHMIDT INC
SMD331453-180063US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR


Techincal Specification:
THREAD SERIES DESIGNATORUNF
NOMINAL THREAD DIAMETER0.138 INCHES
THREAD QUANTITY PER INCH40
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.138 INCHES NOMINAL
FASTENER LENGTH0.188 INCHES NOMINAL
MATERIALSTEEL COMP 4037 OVERALL
SURFACE TREATMENTPHOSPHATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-P-16232,TY M CL 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING38.0 ROCKWELL C MINIMUM AND
42.0 ROCKWELL C MAXIMUM OVERALL
HEAD STYLEFLAT CHAMFER
HEAD DIAMETER0.221 INCHES MINIMUM AND
0.226 INCHES MAXIMUM
HEAD HEIGHT0.134 INCHES MINIMUM AND
0.138 INCHES MAXIMUM
INTERNAL DRIVE STYLEHEXAGON
WIDTH ACROSS FLATS0.094 INCHES MINIMUM AND
0.095 INCHES MAXIMUM


Click here to Register for Free 30-day Trial