5310-00-208-9072 NUT,PLAIN,ROUND Index 1680-00-208-9074 FLANGE,FIRE PROTECTION SYSTEM

National Stock Number:
5310-00-208-9073

Federal Supply Class:
5310

National Item Identification Number:
002089073

Description:
NUT,PLAIN,ROUND

Detail:
A nut, circular in shape, which may have wrenching facilities such as flats, holes, protrusions, slots or splines in or on the periphery or in the face opposite the bearing surface. For items having a thickness (or height) exceeding two times the outside diameter, use POST, ELECTRICAL-MECHANICAL EQUIPMENT. See also NUT (1), PLAIN, KNURLED. (When height or thickness and/or outside diameter is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)


Manufacturer Information:
S1610-2303178286SIKORSKY AIRCRAFT CORPORATION


Techincal Specification:
DRIVE POINT QUANTITY8
DRIVE POINT WIDTH0.375 INCHES NOMINAL
DRIVE POINT DEPTH0.157 INCHES NOMINAL
HARDNESS RATING36.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-6758,COND C MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 4130 OVERALL
NOMINAL THREAD SIZE3.875 INCHES
NUT DIAMETER5.000 INCHES NOMINAL
NUT STYLEROUND
NUT THICKNESS0.562 INCHES NOMINAL
SURFACE TREATMENTPHOSPHATE OVERALL
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH12
THREAD SERIESUN


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