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National Stock Number (NSN) Output Data

NSN:
NIIN:
Item Name:
SCREW , CAP , HEXAGON HEAD

Definition:

AN EXTERNALLY THREADED FASTENER DESIGNED FOR INSERTION INTO HOLES IN ASSEMBLED PARTS, FOR MATING WITH A PREFORMED INTERNAL THREAD AND FOR TIGHTENING OR RELEASING BY TORQUING THE HEAD. THE THREADED AND UNTHREADED PORTIONS ARE BOTH OF THE SAME NOMINAL DIAMETER OF 0.190 INCH (5 MM) OR LARGER. HEAD DIMENSIONS AND SIZES OF THREADED AND UNTHREADED PORTIONS SHALL CONFORM TO INTERNATIONALLY RECOGNIZED FASTENER STANDARDS. THE THREAD LENGTH BEING THE CONTROLLED DIMENSION, THE GRIP LENGTH IS NOT SPECIFIED. A LOCKING FEATURE MAY BE INCORPORATED IN THE DESIGN OF THE HEAD OR THREADS. EXCLUDES BOLT, MACHINE; BOLT, EXTERNALLY RELIEVED BODY; BOLT, INTERNAL WRENCHING; AND SCREW, CAP, SOCKET HEAD.

Reference/Part Number

Part Number CAGE Status RNCC RNVC DAC RNAAC MSDS SADC
491D12 0AHP5 A 3 2 X XX

CAGE Information

Code Company
0AHP5 CURTISS-WRIGHT CONTROLS INC DIV FLIG

Federal Supply Class

Title

SCREWS

Inclusions:

Exclusions:

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
AASB FASTENER LENGTH 1.060 INCHES NOMINAL
MATT MATERIAL STEEL COMP 302 OVERALL
AATB WIDTH BETWEEN FLATS 0.428 INCHES MINIMUM AND 0.437 INCHES MAXIMUM
AHYM NOMINAL THREAD DIAMETER 0.250 INCHES
CMLP THREAD QUANTITY PER INCH 28
MDCL MATERIAL DOCUMENT AND CLASSIFICATION AMS 5637 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
CSYM SURFACE FINISH 63.0 MICROINCHES GRIP
AASU HEAD HEIGHT 0.156 INCHES NOMINAL
CSYM SURFACE FINISH 63.0 MICROINCHES THREADS
CFSG NONSTANDARD THREAD PITCH DIAMETER +0.2213/+0.2238 INCHES
AAJF THREAD DIRECTION RIGHT-HAND
CSYM SURFACE FINISH 63.0 MICROINCHES BEARING SURFACE OF HEAD
THSD THREAD SERIES DESIGNATOR UNF
AASK HEAD STYLE HEXAGON
AASA THREAD LENGTH 0.690 INCHES MINIMUM
SFTT SURFACE TREATMENT PASSIVATE OVERALL

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