5310-00-641-9442 WASHER,FLAT Index 5310-00-641-9450 WASHER,FLAT

National Stock Number:
5306-00-641-9445

Federal Supply Class:
5306

National Item Identification Number:
006419445

Description:
BOLT,INTERNALLY RELIEVED BODY

Detail:
An externally threaded fastener whose external threaded portion is of one nominal diameter. It has a concentric hole along the longitudinal centerline which may extend a part or the full length of the bolt. The concentric hole along the centerline may be counterbored and/or internally threaded at the head end or the bolt end. The head is designed to be held or driven by an external and/or internal driver. For items having a hole(s) perpendicular to the axis which meet the concentric hole along the longitudinal centerline, see BOLT, FLUID PASSAGE.


Manufacturer Information:
BP6201728528ITT INDUSTRIES INC ITT AEROSPACE COMMUNICATIONS DIV EAST
BP6201731550L3HARRIS TECHNOLOGIES, INC.
BP62017ISSUE328528ITT INDUSTRIES INC ITT AEROSPACE COMMUNICATIONS DIV EAST
BP62017ISSUE331550L3HARRIS TECHNOLOGIES, INC.
SCB8436480063US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR


Techincal Specification:
CONCENTRIC HOLE DEPTH0.281 INCHES NOMINAL
CONCENTRIC HOLE DIAMETER0.124 INCHES NOMINAL
FASTENER LENGTH0.406 INCHES NOMINAL
HEAD HEIGHT0.114 INCHES NOMINAL
HEAD STYLEHEXAGON
INTERNAL THREAD CLASS2B CONCENTRIC HOLE
INTERNAL THREAD DIRECTIONRIGHT-HAND COUNTERBORE
INTERNAL THREAD LENGTH0.250 INCHES NOMINAL COUNTERBORE
MATERIALCOPPER ALLOY 360 OVERALL
NOMINAL THREAD SIZE0.164 INCHES COUNTERBORE
NOMINAL THREAD DIAMETER0.250 INCHES
SPECIAL FEATURESWASHER FACE 0.500 IN. DIA BY 0.010 IN. DEEP AND TWO 0.093 IN. DIA BY 0.050 IN. DEEP HOLES ON 0.343 IN. CENTER SPACED 180 DEG APART ON WASHER FACE
WIDTH BETWEEN FLATS0.500 INCHES NOMINAL
STYLE DESIGNATORCOUNTERBORE THREADED
SURFACE TREATMENTNICKEL OVERALL
THREAD LENGTH0.250 INCHES MINIMUM
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD SERIES DESIGNATORUNF
THREAD SERIESUNC COUNTERBORE
THREAD QUANTITY PER INCH28
THREADS PER INCH32 COUNTERBORE


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