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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
80205 NATIONAL AEROSPACE STANDARDS COMMITT

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
TEST TEST DATA DOCUMENT 80205-NAS1351-4 STANDARD
AASL HEAD DIAMETER 0.365 INCHES MINIMUM AND 0.375 INCHES MAXIMUM
ASDB WIDTH ACROSS FLATS 0.1875 INCHES MINIMUM AND 0.1900 INCHES MAXIMUM
AAJD THREAD CLASS 3A
THSD THREAD SERIES DESIGNATOR UNRF
AHYM NOMINAL THREAD DIAMETER 0.250 INCHES
CMLP THREAD QUANTITY PER INCH 28
AASB FASTENER LENGTH 1.960 INCHES MINIMUM AND 2.000 INCHES MAXIMUM
AAJF THREAD DIRECTION RIGHT-HAND
AASK HEAD STYLE FLAT CHAMFER
STDC SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-416, TYPE 2, CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
AASU HEAD HEIGHT 0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM
AASA THREAD LENGTH 1.000 INCHES NOMINAL
MATT MATERIAL STEEL OVERALL
ZZZK SPECIFICATION/STANDARD DATA 80205-NAS1351 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
AAUM LOCKING FEATURE STRIP LOCKING FEATURE
ABQZ INTERNAL DRIVE STYLE HEXAGON
MDCL MATERIAL DOCUMENT AND CLASSIFICATION FF-S-86 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
SFTT SURFACE TREATMENT CADMIUM OVERALL

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