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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
AHYM NOMINAL THREAD DIAMETER 0.190 INCHES
CQBC MINIMUM TENSILE STRENGTH 180000 POUNDS PER SQUARE INCH
AAJD THREAD CLASS 3A
THSD THREAD SERIES DESIGNATOR UNRF
STDC SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-416 TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
AAJF THREAD DIRECTION RIGHT-HAND
AASK HEAD STYLE FLAT CHAMFER
MATT MATERIAL STEEL OVERALL
ZZZK SPECIFICATION/STANDARD DATA 80205-NAS1351 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
AASL HEAD DIAMETER 0.303 INCHES MINIMUM AND 0.312 INCHES MAXIMUM
AASA THREAD LENGTH 0.875 INCHES MINIMUM
ASDB WIDTH ACROSS FLATS 0.156 INCHES MINIMUM AND 0.158 INCHES MAXIMUM
ABQZ INTERNAL DRIVE STYLE HEXAGON
CQFM HARDNESS RATING 39.0 ROCKWELL C MINIMUM OVERALL AND 45.0 ROCKWELL C MAXIMUM OVERALL
BQDM HOLE TYPE DRILLED
SFTT SURFACE TREATMENT CADMIUM OVERALL AND CHROMATE OVERALL
ASXK HOLE QUANTITY 6
CMLP THREAD QUANTITY PER INCH 32
AAUB HOLE DIAMETER 0.044 INCHES MINIMUM AND 0.050 INCHES MAXIMUM
CRHC HOLE CONFIGURATION STYLE ROUND INTERNAL HEXAGON
AASB FASTENER LENGTH 0.970 INCHES MINIMUM AND 1.000 INCHES MAXIMUM
AASU HEAD HEIGHT 0.185 INCHES MINIMUM AND 0.190 INCHES MAXIMUM

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