Product Details | PIPE FLANGE

4730-00-256-8556 An item solid or split into halves, having a threaded or unthreaded hole for the purpose of connecting or retaining a pipe, tube, or hose fitting. The face of the flange may be smooth, grooved, or serrated and may be drilled for connecting bolts or studs. If the item is unthreaded, the pipe or tube may be retained by welding, brazing, compression, or the like. Excludes FLANGE, PIPE, BLIND; FERRULE, GROOVED CLAMP COUPLING; and ADAPTER (as modified).

Part Alternates: B110TYPEC, MILF20670, MIL-F-20670, MILF20670TYPECSZ112IN, 4730-00-256-8556, 00-256-8556, 4730002568556, 002568556

Pipe, Tubing, Hose, and Fittings | Hose, Pipe, Tube, Lubrication, and Railing Fittings

Supply Group (FSG) NSN Assign. NIIN
47 01 JAN 1961 00-256-8556

Drawings & Photos | NSN 4730-00-256-8556


Demand History | NSN 4730-00-256-8556

Part Number Request Date QTY Origin
4730-00-256-8556 2023-09-257 68 DIBBS
4730-00-256-8556 2018-12-351 124 DIBBS
4730-00-256-8556 2018-12-339 124 DIBBS
4730-00-256-8556 2017-07-191 14 DIBBS
4730-00-256-8556 2017-06-180 14 DIBBS
4730-00-256-8556 2017-05-129 23 DIBBS
4730-00-256-8556 2016-11-328 12 US
4730-00-256-8556 2015-08-228 70 DIBBS
4730-00-256-8556 2009-01-27 65 DIBBS

Cross Reference | NSN 4730-00-256-8556

Part Number Cage Code Manufacturer
B110TYPEC 80064 NAVAL SHIP SYSTEMS COMMAND
MIL-F-20670 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY
MIL-F-20670, TYPE C, SZ 1-1/2 IN 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY

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Technical Data | NSN 4730-00-256-8556

Characteristic Specifications
MATERIAL STEEL
STYLE DESIGNATOR 1 ROUND, ONE BOLT HOLE CIRCLE
BOLT CIRCLE DIAMETER 3.937 INCHES NOMINAL
FLANGE DIAMETER 5.062 INCHES NOMINAL
BOLT HOLE DIAMETER 0.562 INCHES NOMINAL
BOLT HOLE QUANTITY 6
FLANGE SECTION STYLE 5 PLAIN FACE
THICKNESS 0.469 INCHES NOMINAL
NOMINAL PIPE SIZE FOR WHICH DESIGNED 1.500 INCHES
MAXIMUM OPERATING PRESSURE AND MEDIA FOR WHICH DESIGNED 150.0 POUNDS PER SQUARE INCH STEAM AND 200.0 POUNDS PER SQUARE INCH GAS AND 200.0 POUNDS PER SQUARE INCH OIL AND 200.0 POUNDS PER SQUARE INCH WATER
MAXIMUM OPERATING TEMP AND MEDIA FOR WHICH DESIGNED 775.0 DEG FAHRENHEIT STEAM AND 300.0 DEG FAHRENHEIT GAS AND 300.0 DEG FAHRENHEIT OIL AND 300.0 DEG FAHRENHEIT WATER
FACE SEATING SURFACE CONDITION SERRATED
NONDEFINITIVE SPEC/STD DATA C TYPE
DEPARTURE FROM CITED DESIGNATOR AS MODIFIED BY THK OF FLANGE
MANUFACTURERS CODE 81349
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE MIL-F-20670

Restrictions/Controls & Freight Information | NSN 4730-00-256-8556

Category Code Description
Shelf-Life Code:0Nondeteriorative
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Controlled Inventory Item Code:UUNCLASSIFIED
Precious Metals Indicator Code:UPrecious metal type is unknown
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 052190 PIPE,TUBING,OR PIPE OR TUBING FITTI
Less than car load rating
Less than truck load rating W Rating Variable
Water commodity Code 576 unknown
Originating Activity Code XX
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 4730-00-256-8556

Category Code Description
Stores Account Code1Marine Corps Stock Fund Account Item.
Combat Essentiality Code2Non-Critical Repair Part. Repair parts or major components whose failure in an end item will not render the end item inoperative or reduce its effectiveness below the minimum acceptable level of efficiency, and which do not fit the definition of Code 3 or 4 items.
Materiel Management CodeBAll CommoditiesDefense Logistics Agency, (DLA,)
Echelon Management Code2ICP/DSSC Marine Corps-managed Recoverability Code D items and Defense Logistics Agency (DLA)/TACOM/GSA) items which the integrated manager has not decontrolled.
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDMU.S. Marine Corps
Service OrganizationMU.S. Marine Corps
ReparabilityZNonreparable item. When unserviceable, condemn and dispose at the level indicated by the first digit of the maintenance code.
Acquisition Advice CodesZINSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with IMM/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each
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 CodesZINSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with IMM/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each