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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
10001 NAVAIR AND NAVSEA MANAGED ORIGINAL D

Federal Supply Class

Title

SCREWS

Inclusions:

Exclusions:

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
AASA THREAD LENGTH 0.291 INCHES MINIMUM
AASA THREAD LENGTH 0.291 INCHES MINIMUM
CQBC MINIMUM TENSILE STRENGTH 180000 POUNDS PER SQUARE INCH
AASL HEAD DIAMETER 0.365 INCHES MINIMUM AND 0.375 INCHES MAXIMUM
CQHQ MINIMUM YIELD STRENGTH 130000 POUNDS PER SQUARE INCH
AAJD THREAD CLASS 3A
AASB FASTENER LENGTH 0.345 INCHES MINIMUM AND 0.375 INCHES MAXIMUM
AHYM NOMINAL THREAD DIAMETER 0.250 INCHES
AAJF THREAD DIRECTION RIGHT-HAND
AASK HEAD STYLE FLAT CHAMFER
CQFM HARDNESS RATING 38.0 ROCKWELL C MINIMUM OVERALL AND 45.0 ROCKWELL C MAXIMUM OVERALL
AASU HEAD HEIGHT 0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM
MATT MATERIAL STEEL OVERALL
ASDB WIDTH ACROSS FLATS 0.188 INCHES MINIMUM AND 0.190 INCHES MAXIMUM
THSD THREAD SERIES DESIGNATOR UNC
ABQZ INTERNAL DRIVE STYLE HEXAGON
BQDM HOLE TYPE DRILLED
SFTT SURFACE TREATMENT CADMIUM OVERALL AND CHROMATE OVERALL
STDC SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-416 TY 2 CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL
CRHC HOLE CONFIGURATION STYLE ROUND
CMLP THREAD QUANTITY PER INCH 20
ASXK HOLE QUANTITY 6
AAUB HOLE DIAMETER 0.050 INCHES NOMINAL

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