4140-01-256-0910 IMPELLER,FAN,AXIAL Index 5340-01-256-0912 CLAMP,BLOCK

National Stock Number:
5340-01-256-0911

Federal Supply Class:
5340

National Item Identification Number:
012560911

Description:
CLAMP,BLOCK

Detail:
A SQUARE OR RECTANGULAR MULTIPIECE ITEM DESIGNED TO BE ATTACHED TO ANOTHER OBJECT OR STRUCTURE. IT MUST HAVE ONE OR MORE HOLES DESIGNED TO SURROUND AND SECURELY GRIP ITEMS SUCH AS ELECTRICAL CABLES, CONDUITS, PIPES, TUBES AND/OR HOSES. IT MAY HAVE ONE OR MORE HOLES DESIGNED TO PREVENT SNAGGING OR CHAFING AND PROVIDE SUPPORT AND/OR GUIDANCE TO MOVING CABLE PASSING THROUGH IT. IT MAY HAVE AN INTEGRAL CLAMPING FEATURE. FOR ITEMS SPECIFICALLY DESIGNED TO SERVE AS A GUIDE, SEE FAIRLEAD, BLOCK AND FAIRLEAD SECTION, BLOCK. EXCLUDES BRACKET, PIPE.


Manufacturer Information:
845-2445498 ASSY NA80064NAVAL SHIP SYSTEMS COMMAND


Techincal Specification:
DISTANCE FROM CENTER OF MOUNTING HOLE TO EDGE ALONG THE WIDTH0.310 INCHES NOMINAL0.310 INCHES NOMINAL
DISTANCE FROM END TO FIRST CLAMPING HOLE CENTER1.000 INCHES NOMINAL
DISTANCE FROM END TO FIRST MOUNTING HOLE CENTER0.380 INCHES NOMINAL
BLOCK HEIGHT0.750 INCHES NOMINAL0.750 INCHES NOMINAL
CABLE DIAMETER FOR WHICH DESIGNED0.250 INCHES NOMINAL ALL HOLES
CENTER TO CENTER DISTANCE BETWEEN FIRST AND SECOND MOUNTING HOLES1.250 INCHES NOMINAL1.250 INCHES NOMINAL
CLAMPING HOLE DIAMETER0.500 INCHES NOMINAL ALL HOLES
CLAMPING HOLE QUANTITY1
OVERALL HEIGHT1.500 INCHES NOMINAL1.500 INCHES NOMINAL
OVERALL LENGTH2.000 INCHES NOMINAL2.000 INCHES NOMINAL
OVERALL WIDTH0.620 INCHES NOMINAL0.620 INCHES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-741 FED SPEC SINGLE MATERIAL RESPONSE
MATERIALSTEEL
MOUNTING FACILITYUNTHREADED HOLE(S)UNTHREADED HOLE(S)
MOUNTING HOLE DIAMETER0.437 INCHES NOMINAL0.437 INCHES NOMINAL
MOUNTING HOLE QUANTITY22
SPECIAL FEATURESFURN W/TWO THD HOLES 3/8-16 UNC-2B; FURN W/NEOPRENE BUSHING
STYLE DESIGNATORRECTANGULAR
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONASTM A153 ASSN STD SINGLE TREATMENT RESPONSE OR MIL-P-23236,CL 3 MIL SPEC SINGLE TREATMENT RESPONSE
SURFACE TREATMENTZINC


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