Product Details | TUBE FITTING LOCKNUT

4730-01-520-3279 An item with internal machine threads designed to fit the external machine threads of a tube fitting. It has flat faces, one of which has a counterbored recess to accommodate packing, packing or sealing ring(s), gasket(s), and the like. The item, when installed, provides a method of locking and sealing the connection. See also LOCKNUT, PIPE; NUT (1), TUBE COUPLING and NUT (1), PLAIN, HEXAGON.

Part Alternates: BACN10DU10, 4730-01-520-3279, 01-520-3279, 4730015203279, 015203279

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

Supply Group (FSG) NSN Assign. NIIN
47 07 MAY 2004 01-520-3279

Drawings & Photos | NSN 4730-01-520-3279


Demand History | NSN 4730-01-520-3279

Part Number Request Date QTY Origin
4730-01-520-3279 2025-02-49 4 DIBBS
4730-01-520-3279 2025-02-37 4 DIBBS
BACN10DU10 2024-03-85 65 United States
4730-01-520-3279 2024-03-85 59 DIBBS
4730-01-520-3279 2024-03-72 59 DIBBS
4730-01-520-3279 2023-07-208 84 DIBBS
4730-01-520-3279 2023-01-23 62 DIBBS
4730-01-520-3279 2022-12-340 3 DIBBS
4730-01-520-3279 2022-03-84 14 DIBBS
4730-01-520-3279 2022-03-76 14 DIBBS
4730-01-520-3279 2021-12-356 8 DIBBS
4730-01-520-3279 2021-12-342 9 DIBBS
BACN10DU10 2021-08-229 8 DIBBS
BACN10DU10 2021-08-220 8 DIBBS
BACN10DU10 2021-07-188 8 DIBBS
BACN10DU10 2020-02-35 4 DIBBS
BACN10DU10 2020-01-08 1 DIBBS
BACN10DU10 2019-12-351 4 DIBBS
4730-01-520-3279 2018-10-292 1 DIBBS
4730-01-520-3279 2018-10-281 1 DIBBS
4730-01-520-3279 2017-05-144 1 DIBBS
4730-01-520-3279 2016-02-54 5 DIBBS
4730-01-520-3279 2015-12-354 2 DIBBS

Cross Reference | NSN 4730-01-520-3279

Part Number Cage Code Manufacturer
BACN10DU10 17765 BOEING COMPANY, THE DBA BOEING
BACN10DU10 81205 THE BOEING COMPANY DBA BOEING

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Technical Data | NSN 4730-01-520-3279

Characteristic Specifications
THREAD DIRECTION RIGHT-HAND
MATERIAL STEEL COMP 633 OVERALL
NUT STYLE A391 TUBE FITTING LOCKNUT
NUT HEIGHT 0.391 INCHES NOMINAL
WIDTH ACROSS FLATS 1.125 INCHES NOMINAL
PACKING RECESS DIAMETER 0.100 INCHES NOMINAL
PACKING RECESS DEPTH 0.054 INCHES NOMINAL
NOMINAL TUBE OUTSIDE DIAMETER 0.625 INCHES
SPECIAL FEATURES END ITEM - STABILIZER TRIM ASSY B-52; DRAWING NAME IS NUT RECESSED UNIVERSAL; DRILLED FOR 2 LOCKWIRE HOLES
MANUFACTURERS CODE 81205
DESIGN CONTROL REFERENCE BACN10DU10

Restrictions/Controls & Freight Information | NSN 4730-01-520-3279

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.
Automatic Data Processing Equipment:0Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)
Category Code Description
No Freight Information

Management | NSN 4730-01-520-3279

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 ValidationN The current standard price in Catalog Management Data (CMD) has not analyzed or coded for LP/LM.
  • The price has not been analyzed or reviewed for accuracy.
  • ZOP or Standard price challenges are permissible, but must be supported with adequate justification. However, if coded for Local Purchase (LP) or Fabrication/Manufacture as indicated with an (LM) Acquisition Advice Code of ?L? or?F?,the case must be evaluated locally where purchased or fabricated.
Fund CodeSFStock fund applicable to items managed for the Air Force by the respective Inventory Control Point.
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDFDepartment of the Air Force
Service OrganizationFU.S. Air Force
ReparabilityNStock Fund (except Munitions)
Acquisition Advice CodesJNOT STOCKED, CENTRALLY PROCURED # (NON-STOCKED ITEMS) IMM/Service centrally managed but not stocked item. Procurement will be initiated only after receipt of a requisition.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each