NSN 4730-00-800-4788 MS51823, MS518233SS, MS51823-3SS

Product Details | TUBE COUPLING NUT

4730-00-800-4788 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: MS51823, MS518233SS, MS51823-3SS, 4BUSS, J514, 11308122-1, 3 080110S, 3080110S, 400200-041, 4730-00-800-4788, 00-800-4788, 4730008004788, 113081221, 400200041, 008004788

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

Supply Group (FSG)	NSN Assign.	NIIN	Item Name Code (INC)
47	01 JAN 1961	00-800-4788	03859 ( NUT, TUBE COUPLING )

Drawings & Photos | NSN 4730-00-800-4788

Part Number	Request Date	QTY	Origin
MS518233SS	2025-06-181	1	US
4730-00-800-4788	2025-06-162	2622	United States
4730-00-800-4788	2025-06-159	2622	DIBBS
MS518233SS	2024-08-214	25	Canada
MS518233SS	2024-08-214	100	Canada
MS518233SS	2024-04-108	32	US
MS518233SS	2024-04-107	5	United States
4730-00-800-4788	2024-01-26	6	US
MS518233SS	2023-11-332	2	us
MS518233SS	2023-10-279	3	United States
MS518233SS	2023-10-279	3	United States
MS518233SS	2023-09-248	552	United States
MS518233SS	2023-09-248	1000	United States
MS518233SS	2023-08-243	10	US
MS518233SS	2023-04-100	3	United States
4730-00-800-4788	2022-11-311	3125	DIBBS
4730-00-800-4788	2022-10-300	3125	DIBBS
MS518233SS	2022-10-286	32	United States
MS518233SS	2022-08-241	1	United States
MS518233SS	2022-02-45	10	United States
4730-00-800-4788	2022-02-34	1818	DIBBS
MS518233SS	2022-01-27	10	United States
MS518233SS	2021-12-344	13	United States
MS518233SS	2021-08-232	33	US
4730-00-800-4788	2021-05-124	10	United States
MS518233SS	2021-04-95	40	US
MS518233SS	2021-03-67	4	United States
4730-00-800-4788	2019-11-330	5	United States
4730-00-800-4788	2018-10-291	13485	DIBBS
4730-00-800-4788	2018-06-175	8350	DIBBS
4730-00-800-4788	2018-06-154	6	DIBBS
4730-00-800-4788	2017-05-135	4304	DIBBS
J514	2015-02-48	1	us
4730-00-800-4788	2014-11-327	4547	DIBBS
MS518233SS	2014-09-247	1	Australia
4730-00-800-4788	2013-10-275	2920	DIBBS
4730-00-800-4788	2013-08-217	1634	DIBBS
MS518233SS	2013-06-164	10	US
4730-00-800-4788	2013-03-84	790	DIBBS
MS518233SS	2012-10-304	100	US
4730-00-800-4788	2012-09-270	475	DIBBS
J514	2010-02-47	20	us

Cross Reference | NSN 4730-00-800-4788

Part Number	Cage Code	Manufacturer
11308122-1	17773	BALLISTIC MISSILE DEFENSE SYSTEMS COMMAND
400200-041	08179	GARRETT TURBOCHARGER GARRETT GROUP AUTOMOTIVE SECTOR
400200-041	70210	HONEYWELL INTERNATIONAL INC. DBA HONEYWELL
400200-041	72599	ALLIEDSIGNAL INC DBA ALLIED-SIGNAL AEROSPACE CO
4BUSS	30780	PARKER-HANNIFIN CORPORATION DBA TUBE FITTINGS DIVISION
4BUSS	45681	PARKER-HANNIFIN CORPORATION DIV CORPORATE HEADQUARTERS
4BUSS	98441	PARKER-HANNIFIN CORPORATION DBA STRATOFLEX PRODUCTS DIVISION
MS51823	96906	MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS
MS51823-3SS	96906	MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS

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Related Products | NSN 4730-00-800-4788

4730-00-800-4789, 4730-00-800-4790, 4730-00-800-4791, 4730-00-800-4792, 4730-00-800-4796

Technical Data | NSN 4730-00-800-4788

Characteristic	Specifications
THREAD SERIES	UNF
NOMINAL THREAD SIZE	0.438 INCHES
THREAD QUANTITY PER INCH	20
THREAD CLASS	2B
THREAD DIRECTION	RIGHT-HAND
MATERIAL	STEEL CORROSION RESISTING OVERALL
SURFACE TREATMENT	PASSIVATE OVERALL
NUT STYLE	A350 TUBE COUPLING
NUT HEIGHT	0.703 INCHES NOMINAL
WIDTH ACROSS FLATS	0.563 INCHES NOMINAL
LENGTH TO SHOULDER	0.537 INCHES NOMINAL
SMALLEST INSIDE DIAMETER	0.255 INCHES NOMINAL
SEAT ANGLE	40.00 DEGREES NOMINAL
FABRICATION METHOD	ANY ACCEPTABLE
NOMINAL TUBE OUTSIDE DIAMETER	0.250 INCHES
SPECIAL FEATURES	SUPPORTS 1025-01-026-6648;HOWITZER,MED. TOWED 155-MM,M198
SPECIFICATION/STANDARD DATA	96906-MS51823 GOVERNMENT STANDARD AND 81343-J514 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
NONDEFINITIVE SPEC/STD DATA	31 FIGURE

Restrictions/Controls & Freight Information | NSN 4730-00-800-4788

Restrictions
Freight

Category	Code	Description
Shelf-Life Code:	0	Nondeteriorative
Hazardous Material Indicator Code	N	There is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:	A	Non-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Controlled Inventory Item Code:	U	UNCLASSIFIED
Precious Metals Indicator Code:	U	Precious 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	093486	BOLTS,NUTS OR SCREWS, NOI (SUB 3)
Less than car load rating
Less than truck load rating	W	Rating Variable
Water commodity Code	573	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 4730-00-800-4788

Category	Code	Description
Materiel Category and Inventory Manager	J	Ground Forces Support Materiel (DLA/GSA Items)
Appropriation and Budget Activity	2	Stock Fund Secondary Items
Management Inventory Segment	2	NONREPARABLE ITEMS (Exclusive of Insurance and Provisioning Items). This code will be used to identify items which are not reparable.
Specific Group/Generic Code	0	Medical Materiel
Weapons Systems/End Item or Homogeneous Group	00	DLA/GSA-Managed Items that cannot be identified to a specific Army Weapons Systems/End Item
Accounting Requirements Code	X	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 Supply	SMS	Defense Logistics Agency Enterprise Business Systems
Agency	DA	Department of the Army
Service Organization	A	U.S. Army
Reparability	Z	This is a nonreparable item. If condemned or economically unserviceable, then dispose at the level authorized replace the item.
Acquisition Advice Codes	D	DoD 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 Code	U	UNCLASSIFIED
Shelf Life Code	0	Nondeteriorative
Purchasing	QTY UOM	1 EA : Each

Category	Code	Description
Budget Code	9	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.
Fund Code	SF	Stock fund applicable to items managed for the Air Force by the respective Inventory Control Point.
Materiel Management Aggregation Code	SX	SX:AF SICA RESIDUAL MMAC-OC-ALC
Price Validation	V	The current standard price has been validated. The item has been analyzed in conjunction with the Zero Overpricing Program and is in the accepted price range. The item was procured under open competition and under the competitive arena the price is considered fair and reasonable. ZOP or Standard price challenges are permissible but must be supported by adequate justification.
Source of Supply	SMS	Defense Logistics Agency Enterprise Business Systems
Agency	DF	Department of the Air Force
Service Organization	F	U.S. Air Force
Reparability	N	Stock Fund (except Munitions)
Acquisition Advice Codes	D	DoD 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 Code	U	UNCLASSIFIED
Shelf Life Code	0	Nondeteriorative
Purchasing	QTY UOM	1 EA : Each

Category	Code	Description
Stores Account Code	1	Marine Corps Stock Fund Account Item.
Combat Essentiality Code	5	Critical Repair Part to a Combat Essential End Item. Those parts or components whose failure in a combat essential end item will render the end item inoperative or reduce its effectiveness below the minimum acceptable level of efficiency.
Materiel Management Code	B	All CommoditiesDefense Logistics Agency, (DLA,)
Echelon Management Code	2	ICP/DSSC Marine Corps-managed Recoverability Code D items and Defense Logistics Agency (DLA)/TACOM/GSA) items which the integrated manager has not decontrolled.
Echelon Identification Code	B	Consumable Repair Parts
Physical Category Code	1	Bin
Source of Supply	SMS	Defense Logistics Agency Enterprise Business Systems
Agency	DM	U.S. Marine Corps
Service Organization	M	U.S. Marine Corps
Reparability	Z	Nonreparable item. When unserviceable, condemn and dispose at the level indicated by the first digit of the maintenance code.
Acquisition Advice Codes	D	DoD 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 Code	U	UNCLASSIFIED
Shelf Life Code	0	Nondeteriorative
Purchasing	QTY UOM	1 EA : Each

Category	Code	Description
Cognizance Codes	9B	Navy-owned stocks of DLA material Naval Inventory Control Point, Mechanicsburg
Source of Supply	SMS	Defense Logistics Agency Enterprise Business Systems
Agency	DN	Department of the Navy
Service Organization	N	U.S. Navy
Acquisition Advice Codes	D	DoD 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 Code	U	UNCLASSIFIED
Shelf Life Code	0	Nondeteriorative
Purchasing	QTY UOM	1 EA : Each