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National Stock Number (NSN) Output Data

NSN:
NIIN:
Item Name:
SCREW , MACHINE

Definition:

AN EXTERNALLY THREADED FASTENER WHOSE THREADED PORTION IS OF ONE NOMINAL DIAMETER, NO 0 (0.060 IN./1.5 MM) OR LARGER, DESIGNED TO BE HELD OR DRIVEN WITH EITHER A WRENCH OR AN INSERTED DRIVER OR BOTH (EXCLUDING INTERNAL SOCKET OR INTERNAL MULTIPLE SPLINE TYPES), IN SIZES BELOW NO. 10 (0.190 IN./5 MM). NO. 10 AND LARGER SIZES MUST HAVE A HEAD DESIGNED FOR ANY TYPE INSERTED DRIVER (EXCLUDING INTERNAL SOCKET OR INTERNAL MULTIPLE SPLINE TYPES), BUT MAY ALSO BE DESIGNED FOR EXTERNAL WRENCHING. A LOCKING FEATURE MAY BE INCORPORATED IN THE DESIGN OF THE HEAD OR THREADS. EXCLUDES BOLT, CLEVIS; BOLT, EXTERNALLY RELIEVED BODY; SCREW, EXTERNALLY RELIEVED BODY; AND SCREW, ASSEMBLED WASHER. SEE ALSO, SCREW, INSTRUMENT; BOLT, MACHINE; BOLT, INTERNAL WRENCHING; AND SCREW, CAP SOCKET HEAD.

Reference/Part Number

Part Number CAGE Status RNCC RNVC DAC RNAAC MSDS SADC
NAF1178B10-6 80020 A 5 1 X XX
AN520B10R6 88044 M 2 2 X XX

CAGE Information

Code Company
80020 NAVAL AIR WARFARE CENTER AIRCRAFT DI
88044 AERONAUTICAL STANDARDS GROUP DEPT OF

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
AHYM NOMINAL THREAD DIAMETER 0.190 INCHES
AHYM NOMINAL THREAD DIAMETER 0.190 INCHES
AASU HEAD HEIGHT 0.137 INCHES MAXIMUM
ABQZ INTERNAL DRIVE STYLE CROSS RECESS TYPE 1
AAJF THREAD DIRECTION RIGHT-HAND
AASK HEAD STYLE ROUND
AASA THREAD LENGTH 0.344 INCHES MINIMUM AND 0.375 INCHES MAXIMUM
CYAW SCREW MATERIAL DOCUMENT AND CLASSIFICATION QQ-B-613 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-W-321 FED SPEC SINGLE MATERIAL RESPONSE
CYAU SCREW MATERIAL COPPER ALLOY
THSD THREAD SERIES DESIGNATOR UNF
AAJD THREAD CLASS 2A
ZZZT NONDEFINITIVE SPEC/STD DATA 3 TYPE AND 1C STYLE
AASL HEAD DIAMETER 0.334 INCHES MINIMUM AND 0.359 INCHES MAXIMUM
AASB FASTENER LENGTH 0.344 INCHES MINIMUM AND 0.375 INCHES MAXIMUM
CQBC MINIMUM TENSILE STRENGTH 55000 POUNDS PER SQUARE INCH
CMLP THREAD QUANTITY PER INCH 32

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NAF1178B10-6 , NAF1178B106 , 5305-00-156-2919 , 5305001562919 , 001562919 , NAF1178B10-6 , AN520B10R6 ,