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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
08353 BABCOCK INDUSTRIES CANADA INC BRISTO

Federal Supply Class

Title

SCREWS

Inclusions:

Exclusions:

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
AASK HEAD STYLE KNURLED NO. 1
AHYM NOMINAL THREAD DIAMETER 0.086 INCHES
AASL HEAD DIAMETER 0.140 INCHES NOMINAL
AASA THREAD LENGTH 0.250 INCHES MAXIMUM
ABQZ INTERNAL DRIVE STYLE SIX SPLINE
AAUH SPLINE MINOR DIAMETER 0.064 INCHES NOMINAL
AAJD THREAD CLASS 3A
AASB FASTENER LENGTH 0.250 INCHES NOMINAL
AAJF THREAD DIRECTION RIGHT-HAND
MATT MATERIAL STEEL OVERALL
AASU HEAD HEIGHT 0.086 INCHES NOMINAL
THSD THREAD SERIES DESIGNATOR UNC
CMLP THREAD QUANTITY PER INCH 56
CQFM HARDNESS RATING 36.0 ROCKWELL C MINIMUM OVERALL AND 43.0 ROCKWELL C MAXIMUM OVERALL
AAUJ SPLINE MAJOR DIAMETER 0.074 INCHES NOMINAL
AAUK SPLINE WIDTH 0.016 INCHES NOMINAL
SFTT SURFACE TREATMENT CADMIUM OVERALL

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