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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
AAJD THREAD CLASS 3A
AASA THREAD LENGTH 1.125 INCHES MINIMUM AND 1.250 INCHES MAXIMUM
SFTT SURFACE TREATMENT CADMIUM FASTENER AND CHROMATE FASTENER
AAJF THREAD DIRECTION RIGHT-HAND
AASU HEAD HEIGHT 0.368 INCHES MINIMUM AND 0.375 INCHES MAXIMUM
AASK HEAD STYLE FLAT CHAMFER
ZZZK SPECIFICATION/STANDARD DATA 80205-NAS1352 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
CQFM HARDNESS RATING 38.0 ROCKWELL C MINIMUM OVERALL AND 45.0 ROCKWELL C MAXIMUM OVERALL
ASDB WIDTH ACROSS FLATS 0.3125 INCHES MINIMUM AND 0.3160 INCHES MAXIMUM
AAUM LOCKING FEATURE STRIP THREADS
AASL HEAD DIAMETER 0.550 INCHES MINIMUM AND 0.562 INCHES MAXIMUM
STDC SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-416,TYPE 2 CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE FASTENER
AASB FASTENER LENGTH 1.210 INCHES MINIMUM AND 1.250 INCHES MAXIMUM
CMLP THREAD QUANTITY PER INCH 16
THSD THREAD SERIES DESIGNATOR UNC
CQBC MINIMUM TENSILE STRENGTH 170000 POUNDS PER SQUARE INCH
ABQZ INTERNAL DRIVE STYLE HEXAGON
AHYM NOMINAL THREAD DIAMETER 0.375 INCHES
MATT MATERIAL STEEL FASTENER
MATT MATERIAL PLASTIC POLYETHYLENE LOCKING FEATURE
CQHQ MINIMUM YIELD STRENGTH 150000 POUNDS PER SQUARE INCH

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