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Part Number

Part Number:
NSN:
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Item Name:
SCREW , CAP , SOCKET HEAD

Definition:

AN EXTERNALLY THREADED FASTENER WHOSE THREADED PORTION IS OF ONE NOMINAL DIAMETER. THE HEAD HAS AN INTERNAL SOCKET OR MULTIPLE SPLINE FOR USE WITH AN INSERTED DRIVER. A LOCKING FEATURE MAY BE INCORPORATED IN THE DESIGN OF THE HEAD OR THREADS. EXCLUDES ITEMS WITH BEVEL (CONICAL) HEADS. SEE BOLT, INTERNAL WRENCHING. EXCLUDES SCREW, SHOULDER; AND SCREW, MACHINE.

CAGE Information

Code Company
3B150 RAYTHEON TECHNICAL SERVICES COMPANY

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
ASDB WIDTH ACROSS FLATS 0.312 INCHES NOMINAL
ASDB WIDTH ACROSS FLATS 0.312 INCHES NOMINAL
AAJD THREAD CLASS 3A
STDC SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-416,TYPE2,CLASS3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
AAUM LOCKING FEATURE PELLET THREADS
AAJF THREAD DIRECTION RIGHT-HAND
AASU HEAD HEIGHT 0.368 INCHES MINIMUM AND 0.375 INCHES MAXIMUM
AASK HEAD STYLE FLAT CHAMFER
CQFM HARDNESS RATING 38.0 ROCKWELL C MINIMUM OVERALL AND 45.0 ROCKWELL C MAXIMUM OVERALL
AASL HEAD DIAMETER 0.550 INCHES MINIMUM AND 0.562 INCHES MAXIMUM
MATT MATERIAL STEEL OVERALL
AASA THREAD LENGTH 1.250 INCHES MINIMUM
CMLP THREAD QUANTITY PER INCH 16
THSD THREAD SERIES DESIGNATOR UNC
AASB FASTENER LENGTH 7.880 INCHES MINIMUM AND 8.000 INCHES MAXIMUM
ABQZ INTERNAL DRIVE STYLE HEXAGON
AHYM NOMINAL THREAD DIAMETER 0.375 INCHES
SFTT SURFACE TREATMENT CADMIUM OVERALL AND CHROMATE OVERALL

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