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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
71838 SPS TECHNOLOGIES AFG DIV

Federal Supply Class

Title

SCREWS

Inclusions:

Exclusions:

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
AASA THREAD LENGTH 1.139 INCHES MINIMUM AND 1.250 INCHES MAXIMUM
SFTT SURFACE TREATMENT OXIDE OVERALL
AASL HEAD DIAMETER 0.365 INCHES MINIMUM AND 0.375 INCHES MAXIMUM
CQBC MINIMUM TENSILE STRENGTH 190000 POUNDS PER SQUARE INCH
AAJD THREAD CLASS 3A
THSD THREAD SERIES DESIGNATOR UNRF
CQHQ MINIMUM YIELD STRENGTH 170000 POUNDS PER SQUARE INCH
AHYM NOMINAL THREAD DIAMETER 0.250 INCHES
CMLP THREAD QUANTITY PER INCH 28
ASDB WIDTH ACROSS FLATS 0.1875 INCHES NOMINAL
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
AASB FASTENER LENGTH 1.210 INCHES MINIMUM AND 1.250 INCHES MAXIMUM
ABQZ INTERNAL DRIVE STYLE HEXAGON

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