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Part Number

Part Number:
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.

CAGE Information

Code Company
10001 NAVAIR AND NAVSEA MANAGED ORIGINAL D

Federal Supply Class

Title

SCREWS

Inclusions:

Exclusions:

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
SFTT SURFACE TREATMENT PHOSPHATE ZINC OVERALL
AASB FASTENER LENGTH 1.380 INCHES NOMINAL
AHYM NOMINAL THREAD DIAMETER 0.250 INCHES
CMLP THREAD QUANTITY PER INCH 28
MATT MATERIAL STEEL COMP 1026 OVERALL
AAJF THREAD DIRECTION RIGHT-HAND
AASU HEAD HEIGHT 0.230 INCHES NOMINAL
MDCL MATERIAL DOCUMENT AND CLASSIFICATION FED-STD-66 FED STD SINGLE MATERIAL RESPONSE OVERALL
THSD THREAD SERIES DESIGNATOR UNF
AAUM LOCKING FEATURE LOCKING TEETH BEARING SURFACE OF HEAD
AAJD THREAD CLASS 2A
AASK HEAD STYLE HEXAGON EXTENDED WASHER
AATB WIDTH BETWEEN FLATS 0.380 INCHES NOMINAL
CBBL FEATURES PROVIDED UNFINISHED HEAD
AATC EXTENDED WASHER DIAMETER 0.530 INCHES NOMINAL
AASA THREAD LENGTH 1.309 INCHES MINIMUM AND 1.380 INCHES MAXIMUM

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