Product Details | FLANGE TO TUBE ELBOW

4730-01-131-7681 A fitting that forms an angle of less that 180 degrees (3.141 radians) from the straight flow. It has a flange connection on one end designed to connect with another flange connection, or a compression type mounting pad. The other end has machine threads (straight threads other than pipe or hose series) designed to accommodate a tube, or is unthreaded and designed to accommodate a tube. It may have side and/or heel inlet(s).

Part Alternates: 3177751, 4730-01-131-7681, 01-131-7681, 4730011317681, 011317681

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

Supply Group (FSG) NSN Assign. NIIN
47 15 MAY 1982 01-131-7681

Cross Reference | NSN 4730-01-131-7681

Part Number Cage Code Manufacturer
3177751 82577 RAYTHEON COMPANY DBA RAYTHEON

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Technical Data | NSN 4730-01-131-7681

Characteristic Specifications
MATERIAL ALUMINUM ALLOY 356.0 OVERALL
SURFACE TREATMENT ANODIZE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION MIL-A-8625,TYPE 2,CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
CONNECTION TYPE THREADED INTERNAL TUBE 1ST END FLANGE 2ND END
CONNECTION STYLE B16A GASKET SEAL 1ST END
FLANGE SHAPE OVAL WITH HOLES 2ND END
NOMINAL THICKNESS 0.180 INCHES 2ND END
NOMINAL LENGTH 1.250 INCHES 2ND END
NOMINAL WIDTH 1.000 INCHES 2ND END
BOLT HOLE QUANTITY 2 2ND END
BOLT HOLE NOMINAL DIAMETER 0.015 INCHES 2ND END
BOLT CIRCLE NOMINAL DIAMETER 1.000 INCHES 2ND END
FLANGE FACE DESIGN PLAIN 2ND END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED 0.375 INCHES 1ST END
THREAD SERIES DESIGNATOR UNF 1ST END
NOMINAL THREAD SIZE 0.562 INCHES 1ST END
THREAD CLASS 3B 1ST END
LEG LENGTH 1.250 INCHES NOMINAL 1ST END 1.125 INCHES NOMINAL 2ND END
FLOW ANGLE 90.0 DEGREES

Restrictions/Controls & Freight Information | NSN 4730-01-131-7681

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: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
Less than car load rating
Less than truck load rating W Rating Variable
Water commodity Code 576 unknown
Originating Activity Code AX Defense Supply Center Columbus
Columbus, OH 43216-5000
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 4730-01-131-7681

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 CodesJNOT STOCKED, CENTRALLY PROCURED # (NON-STOCKED ITEMS) IMM/Service centrally managed but not stocked item. Procurement will be initiated only after receipt of a requisition.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each