Product Details | TUBE COUPLING NUT

4730-01-044-3811 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: AN818L6J, AN818L6K, MILF5509, MIL-F-5509, 4730-01-044-3811, 01-044-3811, 4730010443811, 010443811

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

Supply Group (FSG) NSN Assign. NIIN
47 11 JUL 1977 01-044-3811

Drawings & Photos | NSN 4730-01-044-3811


Demand History | NSN 4730-01-044-3811

Part Number Request Date QTY Origin
AN818L6J 2022-10-277 20 South Africa
4730-01-044-3811 2019-06-154 100 Italy
MILF5509 2018-07-201 6 United States
4730-01-044-3811 2018-04-102 5 United States
4730-01-044-3811 2018-03-65 58 US
AN818L6J 2017-08-229 25 United States
AN818L6J 2016-09-259 8 us
AN818L6J 2012-06-160 105 IN
MILF5509 2009-10-301 1 PK
AN818L6J 2009-03-86 50 United States
AN818L6J 2009-03-86 100 United States
AN818L6J 2009-03-86 200 United States
AN818L6J 2009-03-86 400 United States
MILF5509 2009-02-55 100 US
AN818L6J 2008-05-144 500 US
AN818L6J 2008-05-144 1000 US
4730-01-044-3811 2007-10-283 80 RU

Cross Reference | NSN 4730-01-044-3811

Part Number Cage Code Manufacturer
AN818L6J 88044 AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE
AN818L6K 88044 AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE
MIL-F-5509 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY

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Technical Data | NSN 4730-01-044-3811

Characteristic Specifications
THREAD SERIES UNJF
NOMINAL THREAD SIZE 0.562 INCHES
THREAD QUANTITY PER INCH 18
THREAD CLASS 3B
THREAD DIRECTION RIGHT-HAND
MATERIAL STEEL COMP 316 OVERALL
NUT STYLE A351 TUBE COUPLING
NUT HEIGHT 0.724 INCHES NOMINAL
WIDTH ACROSS FLATS 0.688 INCHES NOMINAL
LENGTH TO SHOULDER 0.603 INCHES NOMINAL
SMALLEST INSIDE DIAMETER 0.440 INCHES MINIMUM AND 0.443 INCHES MAXIMUM
HOLE CONFIGURATION STYLE H2 CONFIGURATION B
HOLE TYPE AND QUANTITY 4 DRILLED
DRILLED HOLE DIAMETER 0.046 INCHES NOMINAL
FABRICATION METHOD MACHINED
NOMINAL TUBE OUTSIDE DIAMETER 0.375 INCHES
SPECIFICATION/STANDARD DATA 81349-MIL-F-5509 GOVERNMENT SPECIFICATION
MANUFACTURERS CODE 88044
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE AN818L6K
MANUFACTURERS CODE 81349
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE MIL-F-5509

Restrictions/Controls & Freight Information | NSN 4730-01-044-3811

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 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 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 4730-01-044-3811

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 CodesZINSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with IMM/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
M
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 CodesZINSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with IMM/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
M
EA : Each