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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
ASDB WIDTH ACROSS FLATS 0.250 INCHES NOMINAL
ASDB WIDTH ACROSS FLATS 0.250 INCHES NOMINAL
THSD THREAD SERIES DESIGNATOR UNRC
AASU HEAD HEIGHT 0.306 INCHES MINIMUM AND 0.312 INCHES MAXIMUM
CQHQ MINIMUM YIELD STRENGTH 130000 POUNDS PER SQUARE INCH
CMLP THREAD QUANTITY PER INCH 18
AAJD THREAD CLASS 3A
AASA THREAD LENGTH 0.889 INCHES MINIMUM
AAJF THREAD DIRECTION RIGHT-HAND
AASK HEAD STYLE FLAT CHAMFER
ZZZK SPECIFICATION/STANDARD DATA 80205-NAS1352 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
CQBC MINIMUM TENSILE STRENGTH 170000 POUNDS PER SQUARE INCH
MDCL MATERIAL DOCUMENT AND CLASSIFICATION ASTM A574 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
ABQZ INTERNAL DRIVE STYLE HEXAGON
MATT MATERIAL STEEL UNS K03104 OVERALL
CQFM HARDNESS RATING 36.0 ROCKWELL C MINIMUM OVERALL AND 45.0 ROCKWELL C MAXIMUM OVERALL
STDC SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-416,TYPE 2,CLASS 3 FED SPEC ALL TREATMENT RESPONSES OVERALL
AASL HEAD DIAMETER 0.457 INCHES MINIMUM AND 0.469 INCHES MAXIMUM
SFTT SURFACE TREATMENT CADMIUM OVERALL AND CHROMATE OVERALL
AHYM NOMINAL THREAD DIAMETER 0.312 INCHES
AASB FASTENER LENGTH 1.000 INCHES NOMINAL

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