Product Details | PIPE FLANGE

4730-00-256-8561 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, MILF20670TYPECSZ4INCH, 4730-00-256-8561, 00-256-8561, 4730002568561, 002568561

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

Supply Group (FSG) NSN Assign. NIIN
47 01 JAN 1961 00-256-8561

Drawings & Photos | NSN 4730-00-256-8561


Demand History | NSN 4730-00-256-8561

Part Number Request Date QTY Origin
4730-00-256-8561 2018-05-10 61 DIBBS
4730-00-256-8561 2017-09-28 40 DIBBS
4730-00-256-8561 2016-06-13 18 DIBBS
4730-00-256-8561 2014-10-14 23 DIBBS
4730-00-256-8561 2010-11-18 9 DIBBS
4730-00-256-8561 2009-03-20 24 DIBBS
4730-00-256-8561 2009-02-10 17 DIBBS

Cross Reference | NSN 4730-00-256-8561

Part Number Cage Code Manufacturer
B110TYPEC 53711 NAVAL SEA SYSTEMS COMMAND
B110TYPEC 80064 NAVAL SHIP SYSTEMS COMMAND
MIL-F-20670 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY
MIL-F-20670, TYPE C, SZ 4 INCH 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY

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Technical Data | NSN 4730-00-256-8561

Characteristic Specifications
MATERIAL STEEL
STYLE DESIGNATOR 1 ROUND, ONE BOLT HOLE CIRCLE
BOLT CIRCLE DIAMETER 6.562 INCHES NOMINAL
FLANGE DIAMETER 7.688 INCHES NOMINAL
BOLT HOLE DIAMETER 0.562 INCHES NOMINAL
BOLT HOLE QUANTITY 8
FLANGE SECTION STYLE 5 PLAIN FACE
THICKNESS 0.625 INCHES NOMINAL
NOMINAL PIPE SIZE FOR WHICH DESIGNED 4.000 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 4730-00-256-8561

Category Code Description
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 4730-00-256-8561

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