5305-01-148-7296 SCREW,MACHINE Index 5330-01-148-7298 PACKING ASSEMBLY

National Stock Number:
5310-01-148-7297

Federal Supply Class:
5310

National Item Identification Number:
011487297

Description:
NUT,SELF-LOCKING,ROUND

Detail:
A nut, circular in shape, which may have wrenching facilities such as flats, holes, protusions, slots or splines in or on the periphery or in the face opposite the bearing surface. An integral feature is incorporated for locking on the threads of a mating member. Do not use if a more specific item name applies. Excludes COLLAR, PIN-RIVET, THREADED; INSERT, SCREW THREAD; NUT (1), SLEEVE; NUT(1), PLAIN, CAP; and TURNBUCKLE BODY.


Manufacturer Information:
65391-11609-10178286SIKORSKY AIRCRAFT CORPORATION


Techincal Specification:
THREAD SERIESBUTTRESS
NOMINAL THREAD SIZE11.438 INCHES
THREAD QUANTITY PER INCH8
THREAD CLASS3B
THREAD DIRECTIONRIGHT-HAND
MATERIALSTEEL COMP 4130 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-18729 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
HARDNESS RATING26.0 ROCKWELL C MINIMUM AND
33.0 ROCKWELL C MAXIMUM
NUT STYLEROUND
DRIVE POINT DEPTH0.395 INCHES NOMINAL
NUT DIAMETER12.955 INCHES NOMINAL
NUT THICKNESS0.625 INCHES NOMINAL
DRIVE POINT WIDTH0.500 INCHES NOMINAL
DRIVE POINT QUANTITY16
HOLE CONFIGURATION STYLECONFIGURATION F
HOLE TYPE AND QUANTITY16 DRILLED
DRILLED HOLE DIAMETER0.249 INCHES MINIMUM AND
0.250 INCHES MAXIMUM
LOCKING FEATUREPREVAILING TORQUE ALL METAL DESIGN
THE MANUFACTURERS DATA
MANUFACTURERS CODE78286
DESIGN CONTROL REFERENCE65391-11609-101


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