Product Details | TUBE TO BOSS STRAIGHT ADAPTER

4730-00-689-2750 An adapter having machine threads (straight threads other than pipe or hose series) designed to accommodate a tube on one end or an unthreaded end designed to accommodate a tube. The other end has external or internal machine threads (straight threads other than pipe or hose series) and is designed to facilitate a gasket, preformed packing, washer, or the like to form a seal at the boss. It is designed to join a tube or tube fitting to a boss or boss fitting in a straight line on items such as tanks, housings, valve fittings, and the like. See also COUPLING, TUBE and NIPPLE, TUBE.

Part Alternates: MILR551821, MILR55182-1 , RN55C4021FM , RNR55C4001FM, RNR55C4021F , RNR55C4021FM, RNR55C4021FP , RNR55C4021FR, RNR55C4021FS , 105B5412G1, 4730-00-689-2750, 00-689-2750, 4730006892750, 006892750

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

Supply Group (FSG) NSN Assign. NIIN
47 25 MAR 1972 00-689-2750

Demand History | NSN 4730-00-689-2750

Part Number Request Date QTY Origin
RNR55C4021FM 2020-03-71 212 Korea
RNR55C4001FM 2012-02-45 7 US
RNR55C4021F 2007-02-59 550 us

Cross Reference | NSN 4730-00-689-2750

Part Number Cage Code Manufacturer
105B5412G1 07482 GENERAL ELECTRIC COMPANY DBA GE

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Technical Data | NSN 4730-00-689-2750

Characteristic Specifications
MATERIAL STEEL CORROSION RESISTING OVERALL
CONNECTION TYPE THREADED EXTERNAL TUBE 1ST END THREADED EXTERNAL BOSS 2ND END
CONNECTION STYLE B64 FLARED 1ST END B71A EXTERNAL SEAT FOR GASKET SEAL 2ND END
SEAT ANGLE 37.0 DEGREES 1ST END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED 0.250 INCHES 1ST END
THREAD SERIES DESIGNATOR UNF ALL ENDS
NOMINAL THREAD SIZE 0.438 INCHES ALL ENDS
THREAD CLASS 2A ALL ENDS
REDUCED PASSAGE NOMINAL INSIDE DIAMETER 0.031 INCHES ALL ENDS
NOMINAL OVERALL LENGTH 1.050 INCHES

Restrictions/Controls & Freight Information | NSN 4730-00-689-2750

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 062960 REOSTATS/PARTS NOI
Less than car load rating
Less than truck load rating P 77.5
Water commodity Code 72D unknown
Originating Activity Code TX Defense Supply Center Columbus
Columbus, OH 43218
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity H Signal Corps supplies and equipment, including radio equipment and supplies, communications equipment and supplies, electrical equipment and supplies, etc.
Air Special Handling Z No special handling required.
Special Handling Code 9 unknonwn
HAZMAT
Type of Cargo 3 Electrostatic Sensitive Device (ESD), subject to damage caused by electrostatic discharge. (See DoD 4500.32-R, Volume 1, Appendix A, Section I for additional information on ESD devices).

Management | NSN 4730-00-689-2750

Category Code Description
Materiel Category and Inventory ManagerQ Electronics 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.
Materiel Management Aggregation CodeEHSX:ELECTRONIC COMPONENTS
Fund CodeSFStock fund applicable to items managed for the Air Force by the respective Inventory Control Point.
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