3895-00-371-5977 MAT,SPRINKLER Index 4730-00-371-5981 STRAINER ELEMENT,SEDIMENT

National Stock Number:
5306-00-371-5978

Federal Supply Class:
5306

National Item Identification Number:
003715978

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:
107D3164-777272THE BOEING COMPANY


Techincal Specification:
CONCENTRIC HOLE DEPTH0.910 INCHES NOMINAL
CONCENTRIC HOLE DIAMETER0.374 INCHES MINIMUM AND 0.382 INCHES MAXIMUM
FASTENER LENGTH1.900 INCHES NOMINAL
HEAD HEIGHT0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM
HEAD STYLEUNDERCUT HEXAGON
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 630 OVERALL
MINIMUM TENSILE STRENGTH150000 POUNDS PER SQUARE INCH
NOMINAL THREAD DIAMETER0.562 INCHES
SHOULDER DIAMETER0.623 INCHES MINIMUM AND 0.624 INCHES MAXIMUM
SHOULDER LENGTH1.280 INCHES NOMINAL
WIDTH BETWEEN FLATS0.938 INCHES NOMINAL
STYLE DESIGNATORCONCENTRIC HOLE UNTHREADED
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONBAC5751 77272 MFR REF SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.620 INCHES MINIMUM
THREAD SERIES DESIGNATORUNF
THREAD QUANTITY PER INCH18


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