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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
05869 RAYTHEON COMPANY DBA RAYTHEON

Federal Supply Class

Title

SCREWS

Inclusions:

Exclusions:

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
MDCL MATERIAL DOCUMENT AND CLASSIFICATION MIL-S-5626 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
AASK HEAD STYLE PAN NO. 2
MATT MATERIAL STEEL COMP 4140 OVERALL
ABQZ INTERNAL DRIVE STYLE SLOT
AASB FASTENER LENGTH 0.550 INCHES NOMINAL
AASU HEAD HEIGHT 0.075 INCHES MAXIMUM
AAJD THREAD CLASS 3A
STDC SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-416,TYPE 2,CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL
AAJF THREAD DIRECTION RIGHT-HAND
THSD THREAD SERIES DESIGNATOR UNC
SFTT SURFACE TREATMENT CADMIUM OVERALL AND CHROMATE OVERALL
AASL HEAD DIAMETER 0.215 INCHES MAXIMUM
CMLP THREAD QUANTITY PER INCH 32
AHYM NOMINAL THREAD DIAMETER 0.138 INCHES
AASA THREAD LENGTH 0.240 INCHES NOMINAL
AAWH DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER 0.310 INCHES NOMINAL

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