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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
D9182 BOSCH REXROTH GMBH LOHMANN STOLTERFO

Federal Supply Class

Title

SCREWS

Inclusions:

Exclusions:

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
AHYM NOMINAL THREAD DIAMETER 0.190 INCHES
AASB FASTENER LENGTH 0.469 INCHES MINIMUM AND 0.500 INCHES MAXIMUM
FEAT SPECIAL FEATURES FURNISHED WITH ONE SILICONE RUBBER O RING
ABQZ INTERNAL DRIVE STYLE CROSS RECESS TYPE 1
CYBA SCREW SURFACE TREATMENT PASSIVATE
AAJF THREAD DIRECTION RIGHT-HAND
AASU HEAD HEIGHT 0.122 INCHES MINIMUM AND 0.133 INCHES MAXIMUM
THSD THREAD SERIES DESIGNATOR UNF
AASK HEAD STYLE WATERTIGHT
AAJD THREAD CLASS 2A
AASA THREAD LENGTH 0.407 INCHES MINIMUM AND 0.500 INCHES MAXIMUM
AASL HEAD DIAMETER 0.357 INCHES MINIMUM AND 0.403 INCHES MAXIMUM
CYAW SCREW MATERIAL DOCUMENT AND CLASSIFICATION FED STD NO. 66 FED STD 1ST MATERIAL RESPONSE OR 16-18 ASSN STD 2ND MATERIAL RESPONSE OR 18-8 ASSN STD 3RD MATERIAL RESPONSE
CYBE SCREW SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE
CMLP THREAD QUANTITY PER INCH 32
CYAU SCREW MATERIAL STEEL CORROSION RESISTING

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