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Part Number

Part Number:
NSN:
NIIN:
Item Name:
SCREW , EXTERNALLY RELIEVED BODY

Definition:

AN EXTERNALLY THREADED FASTENER WHOSE THREADED PORTION IS OF ONE NOMINAL DIAMETER, AND WHOSE UNTHREADED PORTION HAS BEEN MACHINED OR GROUND IN ONE OR MORE PLACES OR OVER ITS ENTIRE LENGTH TO A MAXIMUM DIAMETER LESS THAN THE MINIMUM PITCH DIAMETER OF THE THREAD (EXCLUDES UNDERCUT FOR THREAD RELIEF). IT IS NO. 0 (0.060 IN.) (1.5 MM) OR LARGER, AND IS DESIGNED TO BE HELD OR DRIVEN WITH EITHER A WRENCH OR INSERTED DRIVER (EXCLUDING INTERNAL SOCKET AND MULTIPLE SPLINE TYPES) OR BOTH IN SIZES BELOW NO. 10 (0.190 IN.) (5 MM) AND LARGER SIZES MUST HAVE A HEAD DESIGNED FOR ANY TYPE INSERTED DRIVER (EXCLUDING INTERNAL SOCKET AND MULTIPLE SPLINE TYPES) BUT MAY ALSO BE DESIGNED FOR EXTERNAL WRENCHING. A LOCKING FEATURE MAY BE INCORPORATED IN THE DESIGN OF THE HEAD OR THREADS. SEE ALSO BOLT, EXTERNALLY RELIEVED BODY AND BOLT, INTERNAL WRENCHING.

CAGE Information

Code Company
10241 TELEPHONE SYSTEMS/COMMUNICATIONS

Federal Supply Class

Title

SCREWS

Inclusions:

Exclusions:

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
AAWC FIRST DIAMETER FROM HEAD 0.073 INCHES MINIMUM AND 0.083 INCHES MAXIMUM
AAWC FIRST DIAMETER FROM HEAD 0.073 INCHES MINIMUM AND 0.083 INCHES MAXIMUM
AASB FASTENER LENGTH 0.547 INCHES MINIMUM AND 0.578 INCHES MAXIMUM
AASK HEAD STYLE KNURLED NO. 1
MDCL MATERIAL DOCUMENT AND CLASSIFICATION MIL-W-52263 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
ABQZ INTERNAL DRIVE STYLE SLOT
AASA THREAD LENGTH 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM
MATT MATERIAL STEEL CORROSION RESISTING OVERALL
AAVA POINT DIAMETER 0.062 INCHES MINIMUM AND 0.078 INCHES MAXIMUM
ABQJ POINT STYLE CONE
CSNG EXTERNALLY RELIEVED BODY DIAMETER QUANTITY 1
AAUY POINT LENGTH 0.078 INCHES NOMINAL
AAWH DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER 0.349 INCHES MINIMUM AND 0.369 INCHES MAXIMUM
AAJF THREAD DIRECTION RIGHT-HAND
AHYM NOMINAL THREAD DIAMETER 0.112 INCHES
CWDK POINT CHAMFER ANGLE 85.0 DEGREES MINIMUM AND 95.0 DEGREES MAXIMUM
THSD THREAD SERIES DESIGNATOR UNC
AAJD THREAD CLASS 2A
AASL HEAD DIAMETER 0.307 INCHES MINIMUM AND 0.317 INCHES MAXIMUM
STDC SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
AASU HEAD HEIGHT 0.307 INCHES MINIMUM AND 0.317 INCHES MAXIMUM
SFTT SURFACE TREATMENT PASSIVATE OVERALL
CMLP THREAD QUANTITY PER INCH 40

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