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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
K0185 SMITHS AEROSPACE CUSTOMER SERVICES D

Federal Supply Class

Title

SCREWS

Inclusions:

Exclusions:

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
AASU HEAD HEIGHT 0.158 INCHES MINIMUM AND 0.164 INCHES MAXIMUM
CQBC MINIMUM TENSILE STRENGTH 80000 POUNDS PER SQUARE INCH
ASDB WIDTH ACROSS FLATS 0.140 INCHES MINIMUM AND 0.142 INCHES MAXIMUM
AAJD THREAD CLASS 3A
AASA THREAD LENGTH 0.408 INCHES MINIMUM AND 0.500 INCHES MAXIMUM
AAJF THREAD DIRECTION RIGHT-HAND
AHYM NOMINAL THREAD DIAMETER 0.164 INCHES
AASK HEAD STYLE FLAT CHAMFER
AGAV END ITEM IDENTIFICATION MRAP RG-33
THSD THREAD SERIES DESIGNATOR UNC
AASB FASTENER LENGTH 0.470 INCHES MINIMUM AND 0.500 INCHES MAXIMUM
ABQZ INTERNAL DRIVE STYLE HEXAGON
STDC SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
AASL HEAD DIAMETER 0.262 INCHES MINIMUM AND 0.270 INCHES MAXIMUM
CMLP THREAD QUANTITY PER INCH 32
SFTT SURFACE TREATMENT PASSIVATE OVERALL
MATT MATERIAL STEEL COMP 316 OVERALL OR STEEL COMP 384 OVERALL OR STEEL COMP 305 OVERALL OR STEEL COMP 302 OVERALL OR STEEL COMP 304 OVERALL OR STEEL COMP 303 OVERALL OR STEEL COMP XM-7 OVERALL
MDCL MATERIAL DOCUMENT AND CLASSIFICATION ASTM A493 ASSN STD ALL MATERIAL RESPONSES OVERALL

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