Product Details | UNION NUT

4730-01-377-7043 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: 8032177934, 803-2177934, 8032177934X4X, 803-2177934-X4X, 8032177934X4XX04, 803-2177934-X4XX-04, 4730-01-377-7043, 01-377-7043, 4730013777043, 013777043

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

Supply Group (FSG) NSN Assign. NIIN
47 23 JUL 1993 01-377-7043

Drawings & Photos | NSN 4730-01-377-7043


Demand History | NSN 4730-01-377-7043

Part Number Request Date QTY Origin
4730-01-377-7043 2024-10-284 9 DIBBS
4730-01-377-7043 2024-01-04 7 DIBBS
4730-01-377-7043 2023-12-355 7 DIBBS
4730-01-377-7043 2023-11-318 1 DIBBS
8032177934 2013-01-22 1 United States
8032177934 2013-01-21 1 United States

Cross Reference | NSN 4730-01-377-7043

Part Number Cage Code Manufacturer
803-2177934 80064 NAVAL SHIP SYSTEMS COMMAND
803-2177934-X4X 53711 NAVAL SEA SYSTEMS COMMAND
803-2177934-X4XX-04 80064 NAVAL SHIP SYSTEMS COMMAND

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Technical Data | NSN 4730-01-377-7043

Characteristic Specifications
THREAD SERIES UN
NOMINAL THREAD SIZE 2.125 INCHES
THREAD QUANTITY PER INCH 12
THREAD CLASS 3B
THREAD DIRECTION RIGHT-HAND
MATERIAL NICKEL ALLOY OVERALL
HARDNESS RATING NOT RATED
NUT STYLE A371 HEXAGON
NUT HEIGHT 0.781 INCHES NOMINAL
WIDTH ACROSS FLATS 2.406 INCHES NOMINAL
SMALLEST INSIDE DIAMETER 1.637 INCHES NOMINAL
SHOULDER STEP WIDTH 0.172 INCHES NOMINAL
COUNTERSINK ANGLE 45.0 DEGREES NOMINAL OVERALL
TEMP RATING NOT RATED
MAXIMUM WORKING PRESSURE RATING AND SERVICE FOR WHICH DESIGNED 700.0 POUNDS PER SQUARE INCH WATER

Restrictions/Controls & Freight Information | NSN 4730-01-377-7043

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 093486 BOLTS,NUTS OR SCREWS, NOI (SUB 3)
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 4730-01-377-7043

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