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Part Number

Part Number:
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.

CAGE Information

Code Company
19315 HONEYWELL INTL INC DEFENSE AVIONICS

Federal Supply Class

Title

SCREWS

Inclusions:

Exclusions:

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
CYAW SCREW MATERIAL DOCUMENT AND CLASSIFICATION SAE ASSN STD ALL MATERIAL RESPONSES
CYAW SCREW MATERIAL DOCUMENT AND CLASSIFICATION SAE ASSN STD ALL MATERIAL RESPONSES
AASK HEAD STYLE FILLISTER
AASA THREAD LENGTH 0.250 INCHES MINIMUM AND 0.312 INCHES MAXIMUM
ABQZ INTERNAL DRIVE STYLE CROSS RECESS TYPE 1
AASU HEAD HEIGHT 0.086 INCHES MINIMUM AND 0.096 INCHES MAXIMUM
AASB FASTENER LENGTH 0.281 INCHES MINIMUM AND 0.312 INCHES MAXIMUM
AASL HEAD DIAMETER 0.208 INCHES MINIMUM AND 0.226 INCHES MAXIMUM
THSD THREAD SERIES DESIGNATOR UNC
CYBA SCREW SURFACE TREATMENT CADMIUM OR ZINC
AAJD THREAD CLASS 2A
CYBE SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-416,TY 1,CL 3 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325,TY 1,CL 3 FED SPEC 2ND TREATMENT RESPONSE
CMLP THREAD QUANTITY PER INCH 32
AHYM NOMINAL THREAD DIAMETER 0.138 INCHES

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