NSN 4730-00-554-8015 MS219214, MS21921-4, MS21921D4

Product Details | TUBE COUPLING NUT

4730-00-554-8015 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: MS219214, MS21921-4, MS21921D4, AP2109T04, AP2109T4, 47305548015, 4730-554-8015 , 4730-00-554-8015, 00-554-8015, 4730005548015, 005548015

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 1963	00-554-8015	03859 ( NUT, TUBE COUPLING )

Drawings & Photos | NSN 4730-00-554-8015

Part Number	Request Date	QTY	Origin
MS219214	2025-09-268	20	United States
AP2109T04	2024-08-214	6	Japan
MS219214	2023-05-150	20	us
MS219214	2020-04-118	100	Italy
4730-00-554-8015	2018-12-355	30	United States
MS219214	2017-08-242	20	us
MS219214	2016-10-287	25	us
MS21921-4	2015-06-156	48	United States
AP2109T04	2014-08-213	30	us
MS21921-4	2014-06-162	2	VE
MS219214	2013-10-284	200	Italy
MS219214	2012-10-304	25	US
AP2109T04	2012-10-297	10	us
4730-00-554-8015	2012-04-104	24	FR
MS219214	2010-12-350	30	United States
MS219214	2010-06-176	70	Italy
MS21921D4	2010-04-117	25	United States
MS21921D4	2009-02-41	200	United States

Cross Reference | NSN 4730-00-554-8015

Part Number	Cage Code	Manufacturer
4730-554-8015	SCY13	E.C.A ETABLISSEMENT CENTRALD'APPROVISIONNEMENT DES
4730005548015	SCY13	E.C.A ETABLISSEMENT CENTRALD'APPROVISIONNEMENT DES
AP2109T04	01673	SPS TECHNOLOGIES, LLC DBA AIRDROME PRECISION COMPONENTS
AP2109T4	01673	SPS TECHNOLOGIES, LLC DBA AIRDROME PRECISION COMPONENTS
MS21921-4	96906	MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS
MS21921-4	K3784	MARSHALL OF CAMBRIDGE AEROSPACE LTD
MS21921D4	96906	MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS

Request a Quote

What Our Customers Say

Thank you very much for the excellent service and professional customer care.

Ernie G. Honeywell

The service was excellent. I can think of no improvements to date that you can make regarding internet sales.

John L. Raytheon

The representative for WBParts was efficient & handled our request in a timely & professional manner.

Karen G. General Dynamics

Tried two other sources, neither of them responded, was all done online, never spoke to anyone.

Rex S. US Airforce

The response is quick and the price is often very good. We are completely satisfied.

Patricia S. NASA

Compare

NSNs for Compare ( up to 4 ): Add 4730-00-554-8015

Compare

Related Products | NSN 4730-00-554-8015

4730-00-554-8016, 4730-00-554-8017, 4730-00-554-8018, 4730-00-554-8019, 4730-00-554-8020

Technical Data | NSN 4730-00-554-8015

Characteristic	Specifications
THREAD SERIES	UNF
NOMINAL THREAD SIZE	0.438 INCHES
THREAD QUANTITY PER INCH	20
THREAD CLASS	3B
THREAD DIRECTION	RIGHT-HAND
MATERIAL	STEEL OVERALL
NUT STYLE	A350 TUBE COUPLING
NUT HEIGHT	0.720 INCHES NOMINAL
WIDTH ACROSS FLATS	0.562 INCHES NOMINAL
LENGTH TO SHOULDER	0.537 INCHES MINIMUM AND 0.557 INCHES MAXIMUM
SMALLEST INSIDE DIAMETER	0.300 INCHES MINIMUM AND 0.305 INCHES MAXIMUM
SEAT ANGLE	45.00 DEGREES NOMINAL
FABRICATION METHOD	ANY ACCEPTABLE
NOMINAL TUBE OUTSIDE DIAMETER	0.250 INCHES
III END ITEM IDENTIFICATION	2350-01-031-0586
MANUFACTURERS CODE	96906
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE	MS21921-4

Restrictions/Controls & Freight Information | NSN 4730-00-554-8015

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:	A	Item 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	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 4730-00-554-8015

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	B	Rotary Wing Aircraft
Weapons Systems/End Item or Homogeneous Group	BX	OH-58D Army Helicopter Improvement Program (AHIP)
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	Y	TERMINAL ITEM #(NON-STOCKED ITEMS) Future procurement is not authorized. No wholesale stock is available for issue. 1. Requisitions will not be processed to the wholesale manager. 2. Internal Service/agency requisitioning may be continued in accordance with the Service/agency requisitioning policies.
Controlled Item Code	U	UNCLASSIFIED
Shelf Life Code	0	Nondeteriorative
Purchasing	QTY UOM	Q 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	JCD
Agency	DF	Department of the Air Force
Service Organization	F	U.S. Air Force
Reparability	N	Stock Fund (except Munitions)
Acquisition Advice Codes	Y	TERMINAL ITEM #(NON-STOCKED ITEMS) Future procurement is not authorized. No wholesale stock is available for issue. 1. Requisitions will not be processed to the wholesale manager. 2. Internal Service/agency requisitioning may be continued in accordance with the Service/agency requisitioning policies.
Controlled Item Code	U	UNCLASSIFIED
Shelf Life Code	0	Nondeteriorative
Purchasing	QTY UOM	Q EA : Each

Category	Code	Description
Stores Account Code	1	Marine Corps Stock Fund Account Item.
Combat Essentiality Code	0	Non-combat Essential End Item. End items that do not fit the definition of Code 1 items.
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
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	Y	TERMINAL ITEM #(NON-STOCKED ITEMS) Future procurement is not authorized. No wholesale stock is available for issue. 1. Requisitions will not be processed to the wholesale manager. 2. Internal Service/agency requisitioning may be continued in accordance with the Service/agency requisitioning policies.
Controlled Item Code	U	UNCLASSIFIED
Shelf Life Code	0	Nondeteriorative
Purchasing	QTY UOM	Q 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	Y	TERMINAL ITEM #(NON-STOCKED ITEMS) Future procurement is not authorized. No wholesale stock is available for issue. 1. Requisitions will not be processed to the wholesale manager. 2. Internal Service/agency requisitioning may be continued in accordance with the Service/agency requisitioning policies.
Controlled Item Code	U	UNCLASSIFIED
Shelf Life Code	0	Nondeteriorative
Purchasing	QTY UOM	Q EA : Each