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National Stock Number (NSN) Output Data

NSN:
NIIN:
Item Name:
BOLT , SHEAR

Definition:

A HIGH STRENGTH, 160,000 POUNDS PER SQUARE INCH (1100 MEGAPASCALS) MINIMUM TENSILE STRENGTH EXTERNALLY THREADED FASTENER DESIGNED FOR USE IN APPLICATIONS INVOLVING GREAT SHEAR STRESS. THE HEAD IS DESIGNED TO ACCOMMODATE AN EXTERNAL WRENCH OR DRIVER. THE HEAD IS NOT DESIGNED TO BE HELD OR DRIVEN WITH AN INSERTED DRIVER, NOR IS IT DESIGNED FOR ROTATION BY THE THUMB AND FINGERS. THE UNTHREADED PORTION IS OF SPECIFIC GRIP LENGTH, PLATED OR UNPLATED, AND IS MACHINED TO A TOLERANCE OF ONE THOUSANDTH (0.001) OF AN INCH (0.025 MM) OR LESS OF A SPECIFIC DIAMETER FOR ITEMS ONE INCH (25 MM) OR LESS IN DIAMETER. ITEMS OVER ONE INCH (25 MM) IN DIAMETER SHALL HAVE A TOLERANCE OF FIFTEEN TEN THOUSANDTHS (0.0015) OF AN INCH (0.038 MM) OR LESS. THE NOMINAL MAJOR DIAMETER OF THE THREADS SHALL BE AT LEAST ONE THOUSANDTH (0.001) OF AN INCH (0.025 MM) BELOW THE MINIMUM SHANK DIAMETER, BUT NOT BELOW THE MINIMUM MAJOR DIAMETER FOR APPLICABLE CLASS OF FIT, AS SHOWN IN THE SCREW THREAD STANDARDS, FED STD H28 AND/OR OTHER NATIONALLY RECOGNIZED STANDARDS. A LOCKING FEATURE MAY BE INCORPORATED IN THE DESIGN OF THE HEAD OR THREADS. SEE BOLT, MACHINE AND BOLT, CLEVIS.

Reference/Part Number

Part Number CAGE Status RNCC RNVC DAC RNAAC MSDS SADC
SS27576-6-74 78286 A 3 2 4 9Z

CAGE Information

Code Company
78286 SIKORSKY AIRCRAFT CORPORATION

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
CMLP THREAD QUANTITY PER INCH 24
CRZS DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER 5.059 INCHES MINIMUM FIRST HOLE AND 5.069 INCHES MAXIMUM FIRST HOLE
STDC SURFACE TREATMENT DOCUMENT AND CLASSIFICATION AMS2501-3 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
MDCL MATERIAL DOCUMENT AND CLASSIFICATION QQ-W-423 FED SPEC SINGLE MATERIAL RESPONSE SPRING OR AMS5678 ASSN STD SINGLE MATERIAL RESPONSE SPRING
THSD THREAD SERIES DESIGNATOR UNJF
MATT MATERIAL STEEL COMP 4340 OVERALL
MDCL MATERIAL DOCUMENT AND CLASSIFICATION MIL-S-8844,CLASS I MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
AASU HEAD HEIGHT 0.189 INCHES MINIMUM AND 0.204 INCHES MAXIMUM
STDC SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE LOCKING FEATURE
SFTT SURFACE TREATMENT PASSIVATE LOCKING FEATURE
FEAT SPECIAL FEATURES FOR USE IN CRITICAL APPLICATIONS; USED AS: BOLT, SELF-RETAINING,IMPEDANCE TYPE, 95KSI FSU, HEX HEAD, 450F; USE MS21244 NUTS WITH THESE BOLTS
AAJD THREAD CLASS 3A
CQFM HARDNESS RATING 56.0 ROCKWELL C MINIMUM LOCKING FEATURE AND 60.0 ROCKWELL C MAXIMUM LOCKING FEATURE
ANEE GRIP LENGTH 4.625 INCHES MINIMUM AND 4.641 INCHES MAXIMUM
MATT MATERIAL STEEL CORROSION RESISTING LOCKING FEATURE
AAJF THREAD DIRECTION RIGHT-HAND
AGAV END ITEM IDENTIFICATION HH-3F HELICOPTER
SFTT SURFACE TREATMENT PASSIVATE SPRING
AASK HEAD STYLE CROWNED HEXAGON
AASB FASTENER LENGTH 5.164 INCHES MINIMUM AND 5.184 INCHES MAXIMUM
CQFM HARDNESS RATING 36.0 ROCKWELL C MINIMUM OVERALL AND 41.0 ROCKWELL C MAXIMUM OVERALL
AAUR GRIP DIAMETER 0.120 INCHES MINIMUM AND 0.166 INCHES MAXIMUM
CQBC MINIMUM TENSILE STRENGTH 11540 POUNDS PER SQUARE INCH
AAWB SHANK UNTHREADED HOLE DIAMETER 0.106 INCHES MINIMUM FIRST HOLE AND 0.116 INCHES MAXIMUM FIRST HOLE
AHYM NOMINAL THREAD DIAMETER 0.373 INCHES
CRTL CRITICALITY CODE JUSTIFICATION FEAT
MDCL MATERIAL DOCUMENT AND CLASSIFICATION MIL-B-83050 MIL SPEC SINGLE MATERIAL RESPONSE LOCKING FEATURE
AASA THREAD LENGTH 0.377 INCHES MINIMUM AND 0.419 INCHES MAXIMUM
MATT MATERIAL STEEL COMP 304 SPRING OR STEEL COMP 302 SPRING OR STEEL COMP 631 SPRING
AATB WIDTH BETWEEN FLATS 0.553 INCHES MINIMUM AND 0.564 INCHES MAXIMUM
SFTT SURFACE TREATMENT CADMIUM OVERALL

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