Product Details | TUBE COUPLING NUT

4730-01-543-0020 An internally threaded nut which has either an internal seat or shoulder and/or is designed to be used with a ferrule, to mate with the seat of an externally threaded tube fitting to form a leakproof connection. Excludes NUT (1), TUBE COUPLING, REDUCING; and NUT (1), UNION.

Part Alternates: MS2192112, MS21921-12, MS21921V12P, AS18280, AS21921, MILF18280, MIL-F-18280, 4730-01-543-0020, 01-543-0020, 4730015430020, 015430020

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

Supply Group (FSG) NSN Assign. NIIN
47 25 AUG 2006 01-543-0020

Drawings & Photos | NSN 4730-01-543-0020


Demand History | NSN 4730-01-543-0020

Part Number Request Date QTY Origin
4730-01-543-0020 2024-11-309 400 US
4730-01-543-0020 2023-04-95 128 DIBBS
4730-01-543-0020 2022-08-227 38 DIBBS
4730-01-543-0020 2022-07-212 38 US
4730-01-543-0020 2022-07-212 38 DIBBS
4730-01-543-0020 2021-06-161 114 DIBBS
4730-01-543-0020 2018-05-133 769 DIBBS
MS2192112 2018-05-128 4 US
4730-01-543-0020 2017-08-233 440 DIBBS
MS2192112 2016-10-279 12 United States
MS2192112 2016-10-278 12 United States
AS18280 2014-10-280 1 US
MS2192112 2014-06-177 1 IT
AS21921 2013-03-73 20 US
AS21921 2013-03-73 50 US
AS21921 2013-03-73 100 US
AS21921 2013-03-73 20 US
AS21921 2013-03-73 50 US
AS21921 2013-03-73 100 US
4730-01-543-0020 2011-01-24 30 US
4730-01-543-0020 2010-07-197 197 DIBBS
4730-01-543-0020 2010-05-132 199 DIBBS
4730-01-543-0020 2010-05-121 176 DIBBS
AS21921 2010-04-95 4 Seychelles
4730-01-543-0020 2010-02-43 187 DIBBS
4730-01-543-0020 2009-11-306 85 DIBBS
4730-01-543-0020 2009-08-218 96 DIBBS
4730-01-543-0020 2009-04-104 97 DIBBS
4730-01-543-0020 2008-11-322 23 DIBBS

Cross Reference | NSN 4730-01-543-0020

Part Number Cage Code Manufacturer
AS18280 81343 SOCIETY OF AUTOMOTIVE ENGINEERS INC
AS21921 81343 SOCIETY OF AUTOMOTIVE ENGINEERS INC
MIL-F-18280 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY
MS21921-12 96906 MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS
MS21921V12P 81343 SOCIETY OF AUTOMOTIVE ENGINEERS INC

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Technical Data | NSN 4730-01-543-0020

Characteristic Specifications
THREAD SERIES UNJ
NOMINAL THREAD SIZE 1.062 INCHES
THREAD QUANTITY PER INCH 12
THREAD CLASS 3B
THREAD DIRECTION RIGHT-HAND
MATERIAL STEEL CORROSION RESISTING OVERALL
SURFACE TREATMENT CADMIUM OVERALL
NUT STYLE A350 TUBE COUPLING
NUT HEIGHT 0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM
WIDTH ACROSS FLATS 1.250 INCHES NOMINAL
LENGTH TO SHOULDER 0.677 INCHES MINIMUM AND 0.697 INCHES MAXIMUM
SMALLEST INSIDE DIAMETER 0.826 INCHES MINIMUM AND 0.831 INCHES MAXIMUM
SEAT ANGLE 45.00 DEGREES NOMINAL
FABRICATION METHOD ANY ACCEPTABLE
NOMINAL TUBE OUTSIDE DIAMETER 0.750 INCHES
SPECIAL FEATURES CORROSION RESISTANT STEEL (15-5) WITH CADMIUM PLATING
SPECIFICATION/STANDARD DATA 81343 - AS21921 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
III PART NAME ASSIGNED BY CONTROLLING AGENCY NUT, SLEEVE COUPLING, FLARELESS

Restrictions/Controls & Freight Information | NSN 4730-01-543-0020

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
Electro-static Discharge Susceptible:ANo known Electrostatic Discharge (ESD) or Electromagnetic Interference (EMI) sensitivity
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.
Automatic Data Processing Equipment:0Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)
Category Code Description
NMF Description 051420 CONDUITS,O/T EARTHEN:PIPE FITTINGS
Less than car load rating
Less than truck load rating W Rating Variable
Water commodity Code 736 unknown
Originating Activity Code HD Naval Inventory Control Point
Mechanicsburg, PA 17055-0788
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 4730-01-543-0020

Category Code Description
Materiel Category and Inventory ManagerJ Ground Forces Support Materiel (DLA/GSA Items)
Appropriation and Budget Activity2 Stock Fund Secondary Items
Management Inventory Segment2 NONREPARABLE ITEMS (Exclusive of Insurance and Provisioning Items). This code will be used to identify items which are not reparable.
Specific Group/Generic Code0 Medical Materiel
Weapons Systems/End Item or Homogeneous Group00DLA/GSA-Managed Items that cannot be identified to a specific Army Weapons Systems/End Item
Accounting Requirements CodeX Expendable item. An item of Army property coded with an ARC of ?X? in the AMDF. Expendable items require no formal accountability after issue from a stock record account. Commercial and fabricated items similar to items coded ?X? in the AMDF are considered expendable items.
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDADepartment of the Army
Service OrganizationAU.S. Army
ReparabilityZThis is a nonreparable item. If condemned or economically unserviceable, then dispose at the level authorized replace the item.
Acquisition Advice CodesDDoD INTEGRATED MATERIEL-MANAGED, STOCKED, AND ISSUED # Issue, transfer, or shipment is not subject to specialized controls other than those imposed by the Integrated Materiel Manager/Service supply policy. 1. The item is centrally managed, stocked, and issued. 2. Requisitions must contain the fund citation required to acquire the item. Requisitions will be submitted in accordance with Integrated Materiel Manager(IMM)/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each
Category Code Description
Budget Code9 General Support DIV57X4921.070:Air Force decentrally managed expense items (ERRC XB3, XF-3) with a unit cost of less than $250,000 that are requisitioned/procured at base (retail) level from DLA, GSA, Army, Navy, Depot Maintenance Service, Air Force Industrial Fund (AFMC), local manufacture and commercial vendors.
Price ValidationN The current standard price in Catalog Management Data (CMD) has not analyzed or coded for LP/LM.
  • The price has not been analyzed or reviewed for accuracy.
  • ZOP or Standard price challenges are permissible, but must be supported with adequate justification. However, if coded for Local Purchase (LP) or Fabrication/Manufacture as indicated with an (LM) Acquisition Advice Code of ?L? or?F?,the case must be evaluated locally where purchased or fabricated.
Fund CodeSFStock fund applicable to items managed for the Air Force by the respective Inventory Control Point.
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDFDepartment of the Air Force
Service OrganizationFU.S. Air Force
ReparabilityNStock Fund (except Munitions)
Acquisition Advice CodesDDoD INTEGRATED MATERIEL-MANAGED, STOCKED, AND ISSUED # Issue, transfer, or shipment is not subject to specialized controls other than those imposed by the Integrated Materiel Manager/Service supply policy. 1. The item is centrally managed, stocked, and issued. 2. Requisitions must contain the fund citation required to acquire the item. Requisitions will be submitted in accordance with Integrated Materiel Manager(IMM)/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each
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 CodesDDoD INTEGRATED MATERIEL-MANAGED, STOCKED, AND ISSUED # Issue, transfer, or shipment is not subject to specialized controls other than those imposed by the Integrated Materiel Manager/Service supply policy. 1. The item is centrally managed, stocked, and issued. 2. Requisitions must contain the fund citation required to acquire the item. Requisitions will be submitted in accordance with Integrated Materiel Manager(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 CodesDDoD INTEGRATED MATERIEL-MANAGED, STOCKED, AND ISSUED # Issue, transfer, or shipment is not subject to specialized controls other than those imposed by the Integrated Materiel Manager/Service supply policy. 1. The item is centrally managed, stocked, and issued. 2. Requisitions must contain the fund citation required to acquire the item. Requisitions will be submitted in accordance with Integrated Materiel Manager(IMM)/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each