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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
80205 NATIONAL AEROSPACE STANDARDS COMMITT

Federal Supply Class

Title

SCREWS

Inclusions:

Exclusions:

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
CMLP THREAD QUANTITY PER INCH 24
CRHC HOLE CONFIGURATION STYLE ROUND LONGITUDINAL HOLE
AAUB HOLE DIAMETER 0.061 INCHES MINIMUM AND 0.067 INCHES MAXIMUM
CQBC MINIMUM TENSILE STRENGTH 160000 POUNDS PER SQUARE INCH
MDCL MATERIAL DOCUMENT AND CLASSIFICATION AMS 5731 ASSN STD SINGLE MATERIAL RESPONSE OVERALL OR AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
AAJD THREAD CLASS 3A
THSD THREAD SERIES DESIGNATOR UNRF
CQHQ MINIMUM YIELD STRENGTH 120000 POUNDS PER SQUARE INCH
AAJF THREAD DIRECTION RIGHT-HAND
CQFM HARDNESS RATING 33.0 ROCKWELL C MINIMUM OVERALL AND 42.0 ROCKWELL C MAXIMUM OVERALL
AASU HEAD HEIGHT 0.368 INCHES MINIMUM AND 0.375 INCHES MAXIMUM
AASK HEAD STYLE FLAT CHAMFER
MATT MATERIAL IRON ALLOY 660 OVERALL
AASB FASTENER LENGTH 1.585 INCHES MINIMUM AND 1.625 INCHES MAXIMUM
AASL HEAD DIAMETER 0.550 INCHES MINIMUM AND 0.562 INCHES MAXIMUM
ZZZK SPECIFICATION/STANDARD DATA 80205-NAS1351 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
AASA THREAD LENGTH 1.250 INCHES MINIMUM
ABQZ INTERNAL DRIVE STYLE HEXAGON
BQDM HOLE TYPE DRILLED
AHYM NOMINAL THREAD DIAMETER 0.375 INCHES
STDC SURFACE TREATMENT DOCUMENT AND CLASSIFICATION AMS 2411 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
ASXK HOLE QUANTITY 6
ASDB WIDTH ACROSS FLATS 0.312 INCHES MINIMUM AND 0.316 INCHES MAXIMUM

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