Product Details | TUBE COUPLING NUT

4730-00-950-9939 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: MS919804, MS9198-04, ST209704, ST2097-04, 4730-00-950-9939, 00-950-9939, 4730009509939, 009509939

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

Supply Group (FSG) NSN Assign. NIIN
47 06 MAY 1966 00-950-9939

Drawings & Photos | NSN 4730-00-950-9939


Demand History | NSN 4730-00-950-9939

Part Number Request Date QTY Origin
4730-00-950-9939 2025-11-321 220 United States
MS919804 2025-07-182 100 US
4730-00-950-9939 2025-05-132 2 AT
MS919804 2025-05-126 20 AT
MS919804 2023-07-206 25 us
MS919804 2023-07-206 50 us
MS919804 2023-07-201 25 United States
MS919804 2023-07-201 50 United States
MS919804 2022-12-348 27 United States
4730-00-950-9939 2022-07-186 2 US
MS919804 2022-04-115 28 us
4730-00-950-9939 2022-03-76 1 Greece
4730-00-950-9939 2022-03-76 10 Greece
4730-00-950-9939 2022-03-76 1 Greece
4730-00-950-9939 2019-10-296 1590 DIBBS
MS919804 2016-10-284 27 United States
4730-00-950-9939 2012-08-230 160 DIBBS
MS919804 2010-05-147 25 US
MS919804 2010-01-27 1400 Singapore
MS919804 2009-04-113 1 US
MS919804 2008-08-220 100 Canada
MS919804 2008-03-85 100 United States
MS919804 2008-03-85 100 United States
MS919804 2008-01-17 100 US
MS919804 2007-04-107 300 us
MS919804 2007-02-52 500 US

Cross Reference | NSN 4730-00-950-9939

Part Number Cage Code Manufacturer
MS9198-04 96906 MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS
ST2097-04 77445 UNITED TECHNOLOGIES CORPORATION DBA PRATT WHITNEY-SPARE PARTS

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Technical Data | NSN 4730-00-950-9939

Characteristic Specifications
THREAD SERIES UNJF
NOMINAL THREAD SIZE 0.437 INCHES
THREAD QUANTITY PER INCH 20
THREAD CLASS 3B
THREAD DIRECTION RIGHT-HAND
MATERIAL STEEL COMP 347 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION AMS 5646 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT PASSIVATE OVERALL
NUT STYLE A351 TUBE COUPLING
NUT HEIGHT 0.682 INCHES NOMINAL
WIDTH ACROSS FLATS 0.553 INCHES MINIMUM AND 0.564 INCHES MAXIMUM
LENGTH TO SHOULDER 0.607 INCHES NOMINAL
SMALLEST INSIDE DIAMETER 0.305 INCHES NOMINAL
FABRICATION METHOD ANY ACCEPTABLE
NOMINAL TUBE OUTSIDE DIAMETER 0.250 INCHES
SPECIFICATION/STANDARD DATA 96906-MS9198 GOVERNMENT STANDARD
MANUFACTURERS CODE 96906
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE MS9198-04

Restrictions/Controls & Freight Information | NSN 4730-00-950-9939

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 4730-00-950-9939

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 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
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.
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
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 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
1
EA : Each