5310-01-250-5253 NUT,SELF-LOCKING,BARREL Index 5310-01-250-5255 WASHER,FLAT

National Stock Number:
5310-01-250-5254

Federal Supply Class:
5310

National Item Identification Number:
012505254

Description:
NUT,SLEEVE

Detail:
AN INTERNALLY THREADED ITEM WITH A CYLINDRICAL AND/OR SQUARE, HEXAGONAL, OCTAGONAL, OR DODECAGONAL OUTER PERIPHERY (PARALLEL TO THE THREADED AXIS) A PORTION(S) OF WHICH MAY OR MAY NOT BE ENLARGED, FORMING A FLANGE(S) AND/OR SHOULDER(S). ITEMS NOT HAVING AN ENLARGED OUTER PORTION MAY BE THREADED, A PART OF THE FULL LENGTH, OR TAPPED FROM BOTH ENDS. ITEMS HAVING AN ENLARGED OUTER PORTION (FLANGE(S) OR SHOULDER(S)) MAY BE THREADED THE FULL LENGTH, THREADED A PART OF THE FULL LENGTH, OR TAPPED FROM BOTH ENDS. ITEMS TAPPED FROM BOTH ENDS SHALL HAVE EITHER RIGHT-HAND THREADS ON BOTH ENDS OR LEFT-HAND THREADS ON BOTH ENDS. FOR ITEMS CONFORMING TO ANY OF THE ABOVE AND HAVING A LENGTH OVERALL EXCEEDING TWO TIMES THE LARGEST OUTSIDE DIAMETER OR WIDTH ACROSS FLATS, USE POST, ELECTRICAL-MECHANICAL EQUIPMENT. FOR ITEMS WITH AN OUTSIDE CONTOUR THAT IS THE SAME THE FULL LENGTH, HAVING A CONTINUOUS THREAD THROUGH ITS ENTIRE LENGTH, AND THE LENGTH DOES NOT EXCEED TWO TIMES THE DIAMETER OR WIDTH ACROSS THE FLATS USE NUT (1), PLAIN (AS MODIFIED). EXCLUDES NUT (1), PLAIN, CAP. SEE ALSO TURNBUCKLE BODY.


Manufacturer Information:
7-362120173-2102731MCDONNELL DOUGLAS HELICOPTER CO INC
7-362120173-218V613THE BOEING COMPANY


Techincal Specification:
DRILLED HOLE DIAMETER0.277 INCHES MINIMUM AND 0.288 INCHES MAXIMUM
CROSS-SECTIONAL SHAPEROUND OVERALL
FLANGE DIAMETER1.500 INCHES NOMINAL
FLANGE THICKNESS0.500 INCHES NOMINAL
HOLE CONFIGURATION STYLECONFIGURATION A
HOLE TYPE AND QUANTITY2 DRILLED
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B144 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALCOPPER ALLOY 932 OVERALL
NOMINAL THREAD SIZE0.250 INCHES
NUT COUNTERBORE DEPTH0.400 INCHES NOMINAL FIRST END
NUT DIAMETER0.993 INCHES MINIMUM AND 0.995 INCHES MAXIMUM
NUT LENGTH3.150 INCHES NOMINAL
NUT STYLESLEEVE
THREAD CLASS2B
THREAD DIRECTIONRIGHT-HAND
THREAD SERIESACME
THREAD QUANTITY PER INCH8


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