Product Details | BLOCK CLAMP

5340-01-256-0912 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.20315600000534000005342000000

Part Alternates: 845-2445498 ASSY NB, 8452445498ASSYNB, 5340-01-256-0912, 01-256-0912, 5340012560912, 012560912

Hardware and Abrasives | Hardware, Commercial

Supply Group (FSG) NSN Assign. NIIN
53 31 MAY 1987 01-256-0912

Drawings & Photos | NSN 5340-01-256-0912


Cross Reference | NSN 5340-01-256-0912

Part Number Cage Code Manufacturer
845-2445498 ASSY NB 80064 NAVAL SHIP SYSTEMS COMMAND

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Technical Data | NSN 5340-01-256-0912

Characteristic Specifications
MATERIAL STEEL
MATERIAL DOCUMENT AND CLASSIFICATION QQ-S-741 FED SPEC SINGLE MATERIAL RESPONSE
SURFACE TREATMENT ZINC
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION ASTM A153 ASSN STD SINGLE TREATMENT RESPONSE OR MIL-P-23236,CL 3 MIL SPEC SINGLE TREATMENT RESPONSE
STYLE DESIGNATOR 263 RECTANGULAR
DISTANCE FROM CENTER OF MOUNTING HOLE TO EDGE ALONG THE WIDTH 0.310 INCHES NOMINAL
CENTER TO CENTER DISTANCE BETWEEN FIRST AND SECOND MOUNTING HOLES 1.380 INCHES NOMINAL
BLOCK HEIGHT 0.880 INCHES NOMINAL
DISTANCE FROM END TO FIRST MOUNTING HOLE CENTER 0.380 INCHES NOMINAL
DISTANCE FROM END TO FIRST CLAMPING HOLE CENTER 1.060 INCHES NOMINAL
OVERALL LENGTH 2.120 INCHES NOMINAL
OVERALL WIDTH 0.620 INCHES NOMINAL
OVERALL HEIGHT 1.750 INCHES NOMINAL
MOUNTING FACILITY UNTHREADED HOLE
MOUNTING HOLE DIAMETER 0.437 INCHES NOMINAL
MOUNTING HOLE QUANTITY 2
CLAMPING HOLE QUANTITY 1
CLAMPING HOLE DIAMETER 0.625 INCHES NOMINAL ALL HOLES
CABLE DIAMETER FOR WHICH DESIGNED 0.375 INCHES NOMINAL ALL HOLES
SPECIAL FEATURES FURN W/TWO THD HOLES 3/8-16 UNC-2B; FURN W/NEOPRENE BUSHING

Restrictions/Controls & Freight Information | NSN 5340-01-256-0912

Category Code Description
Shelf-Life Code:0Nondeteriorative
Hazardous Material Indicator CodePThere is no information in the HMIS; however, the NSN is in an FSC in Table II of Federal Standard 313 and an MSDS may be required by the user. The requirement for an MSDS is dependent on a hazard determination of the supplier or the intended end use of the product
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Controlled Inventory Item Code:UUNCLASSIFIED
Precious Metals Indicator Code:AItem does not contain precious metal
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Category Code Description
NMF Description 095190 HARDWARE, NOI SUB 9
Less than car load rating
Less than truck load rating Q 70.0
Water commodity Code 713 unknown
Originating Activity Code KZ Defense Supply Center Philadelphia
Philadelphia, PA 19101
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity B Construction materials: Includes paint and related materials, prefabricated building, wood products, metal and composition materials and their products, commercial hardware and miscellaneous items, cement, asphalt, building maintenance materials.
Air Special Handling Z No special handling required.
Special Handling Code 9 unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable

Management | NSN 5340-01-256-0912

Category Code Description
Cognizance Codes9BNavy-owned stocks of DLA material
Naval Inventory Control Point, Mechanicsburg
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesVTERMINAL ITEM # Identifies items in stock, but future procurement is not authorized. Requisitions may continue to be submitted until stocks are exhausted. Preferred item National Stock Number is normally provided by application of the phrase: When Exhausted Use (NSN). Requisitions will be submitted in accordance with IMM/Service requisitioning procedures as applicable.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each