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Part Number

Part Number:
NSN:
NIIN:
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
80205 NATIONAL AEROSPACE STANDARDS COMMITT

Federal Supply Class

Title

SCREWS

Inclusions:

Exclusions:

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
CQHQ MINIMUM YIELD STRENGTH 30000 POUNDS PER SQUARE INCH
CQHQ MINIMUM YIELD STRENGTH 30000 POUNDS PER SQUARE INCH
AASU HEAD HEIGHT 0.108 INCHES MINIMUM AND 0.112 INCHES MAXIMUM
AASA THREAD LENGTH 0.341 INCHES MINIMUM AND 0.375 INCHES MAXIMUM
AASL HEAD DIAMETER 0.176 INCHES MINIMUM AND 0.183 INCHES MAXIMUM
ASDB WIDTH ACROSS FLATS 0.094 INCHES MINIMUM AND 0.095 INCHES MAXIMUM
CQBC MINIMUM TENSILE STRENGTH 80000 POUNDS PER SQUARE INCH
AAJD THREAD CLASS 3A
AAJF THREAD DIRECTION RIGHT-HAND
AASK HEAD STYLE FLAT CHAMFER
MDCL MATERIAL DOCUMENT AND CLASSIFICATION 66 FED STD ALL MATERIAL RESPONSES OVERALL
AHYM NOMINAL THREAD DIAMETER 0.112 INCHES
CQFM HARDNESS RATING 80.0 ROCKWELL B MINIMUM OVERALL
THSD THREAD SERIES DESIGNATOR UNC
ABQZ INTERNAL DRIVE STYLE HEXAGON
STDC SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
AASB FASTENER LENGTH 0.375 INCHES NOMINAL
SFTT SURFACE TREATMENT PASSIVATE OVERALL
MATT MATERIAL STEEL COMP 303 OVERALL OR STEEL COMP 302 OVERALL OR STEEL COMP 304 OVERALL OR STEEL COMP 305 OVERALL OR STEEL COMP 316 OVERALL
CMLP THREAD QUANTITY PER INCH 40

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