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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
04348 LAWRENCE ENGINEERING AND SUPPLY INC

Federal Supply Class

Title

SCREWS

Inclusions:

Exclusions:

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
CSYM SURFACE FINISH 32.0 MICROINCHES THREADS
THSD THREAD SERIES DESIGNATOR UNJC
AASL HEAD DIAMETER 0.270 INCHES MINIMUM AND 0.332 INCHES MAXIMUM
AAUM LOCKING FEATURE PATCH THREADS
CRSQ COUNTERSINK ANGLE 100.0 DEGREES NOMINAL
CSYM SURFACE FINISH 32.0 MICROINCHES BEARING SURFACE OF HEAD
ZZZK SPECIFICATION/STANDARD DATA 80205-NAS1189 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
AASA THREAD LENGTH 0.214 INCHES MINIMUM AND 0.307 INCHES MAXIMUM
CQBC MINIMUM TENSILE STRENGTH 160000 POUNDS PER SQUARE INCH
AAJD THREAD CLASS 3A
ABQZ INTERNAL DRIVE STYLE CROSS RECESS TYPE 1
AAJF THREAD DIRECTION RIGHT-HAND
AHYM NOMINAL THREAD DIAMETER 0.164 INCHES
AASK HEAD STYLE FLAT COUNTERSUNK
MATT MATERIAL IRON ALLOY 660 OVERALL
STDC SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SFTT SURFACE TREATMENT CADMIUM OVERALL AND CHROMATE OVERALL
AASB FASTENER LENGTH 0.344 INCHES MINIMUM AND 0.375 INCHES MAXIMUM
CMLP THREAD QUANTITY PER INCH 32

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