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Part Number

Part Number:
NSN:
NIIN:
Item Name:
BOLT , INTERNAL WRENCHING

Definition:

AN EXTERNALLY THREADED FASTENER WHOSE THREADED PORTION IS OF ONE NOMINAL DIAMETER, NO. 10 (0.190 IN.) (5 MM) OR LARGER. IT IS DESIGNED WITH AN INTERNAL SOCKET OR INTERNAL MULTIPLE SPLINE FOR USE WITH AN INTERNAL DRIVER. THE HEAD IS BEVELED (CONICAL) OR CYLINDRICAL IN SHAPE. ITEMS WITH CYLINDRICAL SHAPED HEADS MUST HAVE AN EXTERNALLY RELIEVED BODY. A LOCKING FEATURE MAY BE INCORPORATED IN THE DESIGN OF THE HEAD OR THREADS. SEE ALSO SCREW, CAP, SOCKET HEAD. EXCLUDES SETSCREW; SCREW, SHOULDER; BOLT, SHOULDER; SCREW, EXTERNALLY RELIEVED BODY; BOLT, EXTERNALLY RELIEVED BODY; AND SCREW, MACHINE.

CAGE Information

Code Company
10001 NAVAIR AND NAVSEA MANAGED ORIGINAL D

Federal Supply Class

Title

BOLTS

Inclusions:

Exclusions:

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
SFTT SURFACE TREATMENT PAINT OVERALL
AASL HEAD DIAMETER 0.558 INCHES MINIMUM AND 0.568 INCHES MAXIMUM
AAWH DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER 0.810 INCHES MINIMUM AND 0.820 INCHES MAXIMUM
MATT MATERIAL STEEL COMP 302 OVERALL
AASA THREAD LENGTH 0.370 INCHES MINIMUM AND 0.390 INCHES MAXIMUM
AHYM NOMINAL THREAD DIAMETER 0.250 INCHES
AASB FASTENER LENGTH 1.190 INCHES MINIMUM AND 1.200 INCHES MAXIMUM
AAJF THREAD DIRECTION RIGHT-HAND
AASK HEAD STYLE FLAT CHAMFER
FEAT SPECIAL FEATURES HEAD STRAIGHT KNURLED
THSD THREAD SERIES DESIGNATOR UNC
AAJD THREAD CLASS 2A
ABQZ INTERNAL DRIVE STYLE HEXAGON
MDCL MATERIAL DOCUMENT AND CLASSIFICATION QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
ASDB WIDTH ACROSS FLATS 0.313 INCHES NOMINAL
CMLP THREAD QUANTITY PER INCH 20
AAWC FIRST DIAMETER FROM HEAD 0.180 INCHES MINIMUM AND 0.200 INCHES MAXIMUM
AASU HEAD HEIGHT 0.370 INCHES MINIMUM AND 0.380 INCHES MAXIMUM

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