Product Details | TUBE COUPLING NUT

4730-01-216-6638 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: AN818L6, AN818-L6, 4730-01-216-6638, 01-216-6638, 4730012166638, 012166638

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

Supply Group (FSG) NSN Assign. NIIN
47 14 SEP 1985 01-216-6638

Demand History | NSN 4730-01-216-6638

Part Number Request Date QTY Origin
4730-01-216-6638 2023-01-05 100 US
4730-01-216-6638 2019-08-241 174 DIBBS
4730-01-216-6638 2017-09-249 125 DIBBS
4730-01-216-6638 2016-11-330 164 DIBBS
4730-01-216-6638 2016-11-319 164 DIBBS
4730-01-216-6638 2007-10-283 20 RU

Cross Reference | NSN 4730-01-216-6638

Part Number Cage Code Manufacturer
AN818-L6 88044 AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE

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Technical Data | NSN 4730-01-216-6638

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 OVERALL
NUT STYLE 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 NOMINAL
HOLE CONFIGURATION STYLE CONFIGURATION B
HOLE TYPE AND QUANTITY 2 DRILLED
DRILLED HOLE DIAMETER 0.035 INCHES NOMINAL
NOMINAL TUBE OUTSIDE DIAMETER 0.375 INCHES
SPECIFICATION/STANDARD DATA 88044-AN818 GOVERNMENT STANDARD
III END ITEM IDENTIFICATION AIRCRAFT APPLICATION
MANUFACTURERS CODE 88044
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE AN818-L6

Restrictions/Controls & Freight Information | NSN 4730-01-216-6638

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:AItem 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 AH Defense Supply Center Columbus
Columbus, OH 43215
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 4730-01-216-6638

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.
Price ValidationE The current standard price is an estimated price.
  • Estimated Price challenges are allowed, but follow procedures in para 60.b. (3) of section L of this manual.
  • This code will be changed to a P code upon notification of a contract price or this code will be changed to an updated code upon determination of a valid price.
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
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
H
EA : Each