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National Stock Number (NSN) Output Data

NSN:
NIIN:
Item Name:
SCREW , SHOULDER

Definition:

AN EXTERNALLY THREADED FASTENER WHOSE THREADED PORTION IS OF ONE NOMINAL DIAMETER, NO 0 (0.060 IN.) (1.5 MM) OR LARGER. IT HAS A ROUND UNTHREADED NECK OR SHANK ALL OR PART OF WHICH IS OF GREATER DIAMETER THAN THE THREADED PORTION. THE HEAD IS DESIGNED TO BE DRIVEN WITH EITHER A WRENCH OR AN INSERTED DRIVER OR BOTH IN SIZES BELOW NO. 10 (0.190 IN.) (5 MM) NOMINAL DIAMETER. NO. 10 (0.190 IN.) (5 MM) AND LARGER SIZES MUST BE DESIGNED FOR ANY TYPE OF INSERTED DRIVER, BUT MAY ALSO PROVIDE FOR EXTERNAL WRENCHING OF THE HEAD. A LOCKING FEATURE MAY BE INCORPORATED IN THE DESIGN OF THE HEAD OR THREADS. FOR ITEMS WHICH ARE BOTH SHOULDERED AND HAVE AN EXTERNALLY RELIEVED BODY, USE SCREW, EXTERNALLY RELIEVED BODY. FOR ITEMS WITH A NO. 10 (0.190 IN.) (5 MM) OR LARGER THREAD DIAMETER WITHOUT AN INSERTED DRIVER HEAD, USE BOLT, SHOULDER. EXCLUDES BOLT, INTERNAL WRENCHING AND SCREW, CAP, SOCKET HEAD.

Reference/Part Number

Part Number CAGE Status RNCC RNVC DAC RNAAC MSDS SADC
9022113 18876 A 3 2 X XX

CAGE Information

Code Company
18876 U S ARMY AVIATION AND MISSILE COMMAN

Federal Supply Class

Title

SCREWS

Inclusions:

Exclusions:

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
AHYM NOMINAL THREAD DIAMETER 0.190 INCHES
CMLP THREAD QUANTITY PER INCH 24
CQBC MINIMUM TENSILE STRENGTH 160000 POUNDS PER SQUARE INCH
CWYB SHOULDER SHAPE ROUND FIRST SHOULDER
AASL HEAD DIAMETER 0.357 INCHES MINIMUM AND 0.365 INCHES MAXIMUM
AAJF THREAD DIRECTION RIGHT-HAND
AASK HEAD STYLE FLAT CHAMFER
CQFM HARDNESS RATING 36.0 ROCKWELL C MINIMUM OVERALL AND 40.0 ROCKWELL C MAXIMUM OVERALL
MATT MATERIAL STEEL OVERALL
AASB FASTENER LENGTH 1.375 INCHES NOMINAL
AASU HEAD HEIGHT 0.188 INCHES NOMINAL
THSD THREAD SERIES DESIGNATOR UNC
AAJD THREAD CLASS 2A
ABQZ INTERNAL DRIVE STYLE HEXAGON
AATN SHOULDER DIAMETER 0.499 INCHES MINIMUM FIRST SHOULDER AND 0.500 INCHES MAXIMUM FIRST SHOULDER
AATX SHOULDER LENGTH 0.995 INCHES MINIMUM FIRST SHOULDER AND 1.005 INCHES MAXIMUM FIRST SHOULDER
AASA THREAD LENGTH 0.375 INCHES MINIMUM

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