Product Details | TUBE COUPLING NUT

4730-00-541-4050 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: NAS59332, NAS593-32, S2210393, 417632, 4176-32, 4730-00-541-4050, 00-541-4050, 4730005414050, 005414050

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

Supply Group (FSG) NSN Assign. NIIN
47 01 JAN 1963 00-541-4050

Drawings & Photos | NSN 4730-00-541-4050


Demand History | NSN 4730-00-541-4050

Part Number Request Date QTY Origin
NAS59332 2025-04-94 6 Canada
NAS59332 2017-05-132 12 United States
4730-00-541-4050 2017-04-94 41 DIBBS
4730-00-541-4050 2017-03-75 99 DIBBS
4730-00-541-4050 2017-03-61 98 DIBBS
4730-00-541-4050 2017-02-55 129 DIBBS
4730-00-541-4050 2017-01-18 129 DIBBS
4730-00-541-4050 2016-03-63 71 DIBBS
4730-00-541-4050 2015-06-173 5 DIBBS
4730-00-541-4050 2015-05-123 55 DIBBS
4730-00-541-4050 2014-05-135 11 DIBBS
4730-00-541-4050 2014-05-124 11 DIBBS
NAS59332 2008-07-207 148 US

Cross Reference | NSN 4730-00-541-4050

Part Number Cage Code Manufacturer
4176-32 77969 RUBBERCRAFT CORPORATION OF CALIFORNIA, LTD
4176-32 98159 RUBBERCRAFT CORPORATION OF CALIFORNIA, LTD
NAS593-32 30974 AEROFIT, LLC
NAS593-32 80205 NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES
S2210393 18355 BOEING COMPANY, THE DBA BOEING
S2210393 88277 BOEING COMPANY, THE DBA BOEING

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Technical Data | NSN 4730-00-541-4050

Characteristic Specifications
THREAD SERIES UN
NOMINAL THREAD SIZE 2.500 INCHES
THREAD QUANTITY PER INCH 12
THREAD CLASS 3B
THREAD DIRECTION RIGHT-HAND
MATERIAL ALUMINUM ALLOY 2024 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION SAE,T4 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT ANODIZE OVERALL
NUT STYLE A352 TUBE COUPLING
NUT HEIGHT 1.500 INCHES NOMINAL
WIDTH ACROSS FLATS 2.750 INCHES NOMINAL
LENGTH TO SHOULDER 0.787 INCHES NOMINAL
SMALLEST INSIDE DIAMETER 2.016 INCHES NOMINAL
SEAT ANGLE 33.00 DEGREES NOMINAL
HOLE CONFIGURATION STYLE H8 CONFIGURATION H
HOLE TYPE AND QUANTITY 2 DRILLED
DRILLED HOLE DIAMETER 0.062 INCHES NOMINAL
FABRICATION METHOD MACHINED
NOMINAL TUBE OUTSIDE DIAMETER 2.000 INCHES
III END ITEM IDENTIFICATION 41N HELICOPTER, CH-53A/D/E

Restrictions/Controls & Freight Information | NSN 4730-00-541-4050

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 013540 ALUM NUTS
Less than car load rating
Less than truck load rating Q 70.0
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 4730-00-541-4050

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.
Fund CodeSFStock fund applicable to items managed for the Air Force by the respective Inventory Control Point.
Materiel Management Aggregation CodeSXSX:AF SICA RESIDUAL MMAC-OC-ALC
Price ValidationV 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 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
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