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Part Number

Part Number:
NSN:
NIIN:
Item Name:
BOLT , SHOULDER

Definition:

AN EXTERNALLY THREADED FASTENER WHOSE THREADED PORTION IS OF ONE NOMINAL DIAMETER, NO. 10 (0.190 IN.) (5 MM) OR LARGER. IT HAS A ROUND UNTHREADED NECK OR SHANK ALL OR PART OF WHICH IS OF GREATER DIAMETER THAN THE THREADED PORTION. THE HEAD IS NOT DESIGNED TO BE HELD OR DRIVEN WITH AN INSERTED DRIVERS. A LOCKING FEATURE MAY BE INCORPORATED IN THE DESIGN OF THE HEAD OR THREADS. FOR ITEMS WITH A THREAD DIAMETER SMALLER THAN NO. 10 (0.190 IN.) (5 MM) AND THOSE ITEMS WITH AN INSERTED DRIVE HEAD, USE SCREW, SHOULDER. FOR ITEMS WHICH ARE NO. 10 (0.190 IN.) (5 MM) OR LARGER IN SIZE AND ARE BOTH SHOULDERED AND HAVE AN EXTERNALLY RELIEVED BODY, USE BOLT, EXTERNALLY RELIEVED BODY. EXCLUDES THUMBSCREW.

CAGE Information

Code Company
78286 SIKORSKY AIRCRAFT CORPORATION

Federal Supply Class

Title

BOLTS

Inclusions:

Exclusions:

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
FEAT SPECIAL FEATURES CAD PLATE 0.00015 IN. MAX THK
AAJD THREAD CLASS 3A
CWYB SHOULDER SHAPE ROUND FIRST SHOULDER
AASB FASTENER LENGTH 2.328 INCHES MINIMUM AND 2.360 INCHES MAXIMUM
AATN SHOULDER DIAMETER 0.4490 INCHES MINIMUM FIRST SHOULDER AND 0.4495 INCHES MAXIMUM FIRST SHOULDER
AAJF THREAD DIRECTION RIGHT-HAND
STDC SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
MATT MATERIAL STEEL OVERALL
AASU HEAD HEIGHT 0.234 INCHES MINIMUM AND 0.266 INCHES MAXIMUM
THSD THREAD SERIES DESIGNATOR UNF
AASA THREAD LENGTH 0.624 INCHES MINIMUM AND 0.688 INCHES MAXIMUM
AATX SHOULDER LENGTH 1.672 INCHES MINIMUM FIRST SHOULDER AND 1.704 INCHES MAXIMUM FIRST SHOULDER
CQBC MINIMUM TENSILE STRENGTH 125000 POUNDS PER SQUARE INCH
AASK HEAD STYLE HEXAGON
AHYM NOMINAL THREAD DIAMETER 0.438 INCHES
MDCL MATERIAL DOCUMENT AND CLASSIFICATION MIL-S-6758,COND C MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
AATB WIDTH BETWEEN FLATS 0.615 INCHES MINIMUM AND 0.627 INCHES MAXIMUM
CMLP THREAD QUANTITY PER INCH 20
SFTT SURFACE TREATMENT CADMIUM OVERALL
CQFM HARDNESS RATING 26.0 ROCKWELL C MINIMUM OVERALL AND 33.0 ROCKWELL C MAXIMUM OVERALL

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