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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
70508 AMERICAN METAL BEARING COMPANY

Federal Supply Class

Title

SCREWS

Inclusions:

Exclusions:

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
AASB FASTENER LENGTH 1.750 INCHES NOMINAL
AASL HEAD DIAMETER 0.720 INCHES MINIMUM AND 0.781 INCHES MAXIMUM
AAJD THREAD CLASS 3A
MATT MATERIAL NICKEL ALLOY 400 OVERALL OR NICKEL ALLOY R-405 OVERALL
MDCL MATERIAL DOCUMENT AND CLASSIFICATION QQ-N-281 FED SPEC ALL MATERIAL RESPONSES OVERALL
AASA THREAD LENGTH 1.391 INCHES MINIMUM AND 1.516 INCHES MAXIMUM
AAJF THREAD DIRECTION RIGHT-HAND
AASK HEAD STYLE FLAT COUNTERSUNK
ZZZT NONDEFINITIVE SPEC/STD DATA 4 TYPE
CMLP THREAD QUANTITY PER INCH 16
THSD THREAD SERIES DESIGNATOR UNC
CRSQ COUNTERSINK ANGLE 80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM
ABQZ INTERNAL DRIVE STYLE HEXAGON
AHYM NOMINAL THREAD DIAMETER 0.375 INCHES
ASDB WIDTH ACROSS FLATS 0.219 INCHES NOMINAL

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