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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
CSYM SURFACE FINISH 32.0 MICROINCHES THREADS
AASB FASTENER LENGTH 0.280 INCHES MINIMUM AND 0.310 INCHES MAXIMUM
MDCL MATERIAL DOCUMENT AND CLASSIFICATION AMS 5731 ASSN STD SINGLE MATERIAL RESPONSE FASTENER OR AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE FASTENER
AASA THREAD LENGTH 0.208 INCHES MINIMUM AND 0.258 INCHES MAXIMUM
CSYM SURFACE FINISH 32.0 MICROINCHES GRIP
THSD THREAD SERIES DESIGNATOR UNJC
MATT MATERIAL PLASTIC POLYAMIDE LOCKING FEATURE
CQBC MINIMUM TENSILE STRENGTH 160000 POUNDS PER SQUARE INCH
AAJD THREAD CLASS 3A
STDC SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE FASTENER
ZZZK SPECIFICATION/STANDARD DATA 80205-NAS1221 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
AAJF THREAD DIRECTION RIGHT-HAND
AASK HEAD STYLE FLAT COUNTERSUNK
CRSQ COUNTERSINK ANGLE 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
AHYM NOMINAL THREAD DIAMETER 0.112 INCHES
AASL HEAD DIAMETER 0.194 INCHES MINIMUM AND 0.225 INCHES MAXIMUM
CQFM HARDNESS RATING 39.0 ROCKWELL C MINIMUM FASTENER AND 43.0 ROCKWELL C MAXIMUM FASTENER
SFTT SURFACE TREATMENT PASSIVATE FASTENER
ABQZ INTERNAL DRIVE STYLE HIGH-TORQUE
MATT MATERIAL IRON ALLOY 660 FASTENER
AAUM LOCKING FEATURE PELLET THREADS OR STRIP THREADS OR PATCH THREADS
CMLP THREAD QUANTITY PER INCH 40

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