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Tube Fitting Locknut

NSN: 4730-00-277-5083 | Model: AN6289-6D

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 rin (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.

NSN Properties and Flags
NATO Stock Number
4730-00-277-5083
DEMIL
NO
Thread Class
3b
Thread Direction
Right-hand
Fabrication Method
Machined
Nut Style
Tube fitting locknut
Nut Height
Between 0.250 inches and 0.282 inches
Width Across Flats
Between 0.809 inches and 0.816 inches
Thread Series
Unjf
Packing Recess Diameter
Between 0.728 inches and 0.738 inches
Packing Recess Depth
Between 0.037 inches and 0.047 inches
Thready Qty Per Inch (tpi)
18
Thread Size
0.562 inches
Tube Outside Diameter
0.375 inches
Material
Aluminum alloy 2024
Material Specification
Qq-a-225/6 federal specification single material response
Surface Treatment
Anodize
Surface Treatment Specification
Mil-a-8625 military specification single treatment response
Specification Data
88044-an6289 government standard
Recent Solicitations
Solicitation Return by Date Buyer Code Quantity
SPE7M319T2105 2018-11-19 PMCM4 2000 EA
SPE7M319T1806 2018-11-15 PMCM4 2679 EA
SPE7M317T7570 2017-09-05 PMCM4 758 EA
SPE7M317T4190 2017-04-17 PMCM4 915 EA

Inventory Check

The last inventory check on this NSN was done on 11/18/2022. Due to rapid changes in inventory this may not be the current stock qty.

  • New: 1348
  • New Surplus: 607
  • As Removed: 5
  • Serviceable: 1
  • Overhauled: 1

Pricing and Availability

Send us a request for quote using the form below. Our team will contact you with an up to date pricing and availability quote ASAP.

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NSN 4730-00-277-5083 Datasheet

Supply Class (FSC):
Railing Fittings Lubrication Tube Pipe Hose
Cross Reference:
  • AN6289-6D
  • AS4841
  • AS5179
  • AS5179D06
  • BACN10DR6D
  • BACN10DU6D
  • BACN10DU6D
  • 477 726
  • 752 521
  • AN6289D6
  • 8537687
  • 131537
  • AS5179D06
  • AS5179D06
  • AN6289D6
  • 10108316
  • 272-1185P31
  • 4730002775083
Cage Codes:
  • Aeronautical Standards Group (CAGE 88044)
  • Society Of Automotive Engineers Inc (CAGE 81343)
  • The Boeing Company (CAGE 81205)
  • The Boeing Company (CAGE 82918)
  • Piper Aircraft Inc. (CAGE 77294)
  • Hydro Fitting Manufacturing (CAGE 13899)
  • U S Army Aviation and Missile (CAGE 18876)
  • Eaton Aerospace Llc (CAGE 62983)
  • B. & E. Manufacturing Co., Inc. (CAGE 59680)
  • Precision Aircraft Machining (CAGE 66774)
  • Nimikkeistokeskus Ncb Finland (CAGE A486G)
  • Raytheon Co Equipment Development (CAGE 99687)
  • E.c.a Etablissement (CAGE SCY13)
Replacements:
  • 4730-00-277-5083 replaces 4730-00-208-5196
  • 4730-00-277-5083 replaces 4730-00-614-3350
  • 4730-00-277-5083 replaces 4730-00-659-4623
  • 4730-00-277-5083 replaces 4730-00-786-6601
Identification:
HMIC

N - Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

PMIC

A - Item does not contain precious metal.

CRITL

- The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Freight Information:
  • NMFC:

    013540 - Alum nuts

  • WCC:

    713 - Metal hardware

  • SHC:

    9 - Other or no special handling required (sh)

  • ADC:

    A - Shipment is not a consolidation and does not exceed 84 inches in any dimension.

  • ACC:

    B - Construction materials: includes paint and related materials, prefabricated building, wood products, metal and composition mater

  • LTL:

    Q - 70.0

  • TCC:

    Z - No special type of cargo code applicable

NSN Management Codes:
  • SOS
    Sms
  • AAC
    D
  • Quantity per pack
    100
  • Unit of Measure
    Ea
  • Shelf Life
    N/A
  • Classification Control
    U
  • MGMT_CTL
    J2200x-
  • Repariability
    This is a nonreparable item. if condemned or economically unserviceable, then dispose at the level authorized replace the item.

Questions & Answers:
What are the historical prices recorded for this stock number?
Historical data shows pricing from $3.65 to $6.08..
Does NSN 4730-00-277-5083 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
Department Of The Army, Department Of The Air Force, U.s. Marine Corps, Department Of The Navy, U.s. Coast Guard, Finland, Lithuania, Slovenia, Poland, Romania, Bulgaria, Brazil, Spain, Israel, Singapore, Kuwait, Morocco, Saudi Arabia, Malaysia, Australia, Belgium, Canada, New Zealand, France, Germany, Republic Of Korea, United Kingdom, Philippines, Netherlands, Portugal, Italy, Denmark, Norway, Greece, Turkey, and Nato Maintenance and Supply Agency
What is the NIIN of NSN 4730-00-277-5083?
002775083 or 00-277-5083
Does NSN 4730-00-277-5083 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 4730-00-277-5083?
Solicitation SPE7M319T2105 for qty 2000 on 11/09/2018
When was this national stock number assigned to the federal catalog?
Jan 01, 1961