2840-00-915-9987 NOZZLE,LUBRICATING,AIRCRAFT GAS Index 2840-00-915-9989 PLATE,POSITIONING S

National Stock Number:
5310-00-915-9988

Federal Supply Class:
5310

National Item Identification Number:
009159988

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:
50356402154ROYSON ENGINEERING COMPANY
50356411449TURBO POWER & MARINE SYSTEM INC SUB OF UNITED TECHNOLOGIES CORP
50356426504PRECISION MACHINE PRODUCTS
50356477445RTX CORPORATION


Techincal Specification:
THREAD SERIESUNS
NOMINAL THREAD SIZE3.688 INCHES
THREAD QUANTITY PER INCH16
THREAD PITCH DIAMETERS3.6469 TO 3.6525 INCHES
THREAD DIRECTIONRIGHT-HAND
MATERIALSTEEL COMP 8740 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OR
SILVER OVERALL
HARDNESS RATING26.0 ROCKWELL C MINIMUM AND
32.0 ROCKWELL C MAXIMUM
NUT STYLEROUND
SMALL END DIAMETER3.930 INCHES NOMINAL
DRIVE POINT DEPTH0.220 INCHES NOMINAL
NUT DIAMETER4.200 INCHES NOMINAL
NUT THICKNESS0.670 INCHES NOMINAL
DRIVE POINT WIDTH0.375 INCHES MINIMUM AND
0.380 INCHES MAXIMUM
UNDERCUT THICKNESS0.200 INCHES NOMINAL
DRIVE POINT QUANTITY14
NUT COUNTERBORE DEPTH0.100 INCHES NOMINAL NUT
COUNTERBORE DIAMETER3.715 INCHES NOMINAL NUT
COUNTERSINK ANGLE30.0 DEGREES NOMINAL NUT
THE MANUFACTURERS DATA
MANUFACTURERS CODE77445
DESIGN CONTROL REFERENCE503564


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