2990-00-053-0473 MUFFLER,EXHAUST Index 5945-00-053-0475 RELAY,ELECTROMAGNETIC

National Stock Number:
5306-00-053-0474

Federal Supply Class:
5306

National Item Identification Number:
000530474

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:
2L5538-131068DUTCH VALLEY SUPPLY CO.
2L5538-178062SARGENT AEROSPACE & DEFENSE, LLC
2L5538-186831SAFRAN ELECTRONICS & DEFENSE, AVIONICS USA, LLC


Techincal Specification:
CONCENTRIC HOLE DIAMETER0.250 INCHES NOMINAL
FASTENER LENGTH0.630 INCHES NOMINAL
HEAD HEIGHT0.120 INCHES NOMINAL
HEAD STYLEHEXAGON
MATERIALSTEEL COMP 4130 OVERALL
NOMINAL THREAD DIAMETER0.437 INCHES
WIDTH BETWEEN FLATS0.560 INCHES NOMINAL
STYLE DESIGNATORCONCENTRIC HOLE UNTHREADED
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OVERALL
THREAD CLASS2A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.530 INCHES MINIMUM
THREAD QUANTITY PER INCH20
THREAD SERIES DESIGNATORUNF


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