Product Details | UNION NUT

4730-00-277-3344 An internally threaded nut which has an internal seat or shoulder designed to engage the nut retaining flange of a union tailpiece. The threaded portion is used to engage the thread piece of a union, union elbor or the like. Excludes NUT (1), TUBE COUPLING.202109000004730000000

Part Alternates: 5000S4823841337PC4, 5000S4823-841337PC4, 511-4684516 ITE, 5114684516ITE, 4730-00-277-3344, 00-277-3344, 4730002773344, 002773344

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

Supply Group (FSG) NSN Assign. NIIN
47 01 JAN 1961 00-277-3344

Drawings & Photos | NSN 4730-00-277-3344


Cross Reference | NSN 4730-00-277-3344

Part Number Cage Code Manufacturer
5000S4823-841337PC4 53711 NAVAL SEA SYSTEMS COMMAND
5000S4823-841337PC4 80064 NAVAL SHIP SYSTEMS COMMAND
511-4684516 ITE 80064 NAVAL SHIP SYSTEMS COMMAND

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Technical Data | NSN 4730-00-277-3344

Characteristic Specifications
THREAD SERIES UN
NOMINAL THREAD SIZE 1.750 INCHES
THREAD QUANTITY PER INCH 12
THREAD CLASS 2B
THREAD DIRECTION RIGHT-HAND
MATERIAL NICKEL ALLOY OVERALL
HARDNESS RATING NOT RATED
NUT STYLE A371 HEXAGON
SHOULDER WIDTH 0.844 INCHES NOMINAL
NUT HEIGHT 2.000 INCHES NOMINAL
WIDTH ACROSS FLATS 2.250 INCHES NOMINAL
SMALLEST INSIDE DIAMETER 1.188 INCHES NOMINAL
SHOULDER STEP WIDTH 0.281 INCHES NOMINAL
SHOULDER SEAT DIAMETER 1.625 INCHES NOMINAL
TEMP RATING NOT RATED
MAXIMUM WORKING PRESSURE RATING AND SERVICE FOR WHICH DESIGNED 3000.0 POUNDS PER SQUARE INCH OIL AND 3000.0 POUNDS PER SQUARE INCH WATER AND 3000.0 POUNDS PER SQUARE INCH AIR
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS AS DIFFERENTIATED BY THD SIZE
MANUFACTURERS CODE 53711
DESIGN CONTROL REFERENCE 5000S4823-841337PC4

Restrictions/Controls & Freight Information | NSN 4730-00-277-3344

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 139820 NICKEL BOLTS/NAILS/NUTS/RIVETS ETC
Less than car load rating
Less than truck load rating M 85.0
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 4730-00-277-3344

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
A
EA : Each