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Tube Coupling Inverted Nut

NSN: 4730-00-127-8588 | Model: C21017AD

An externally threaded fastening device which has an internal or external seat, designed to mate with the seat of an internally threaded tube fitting for the purpose of securing the tube to the fitting to form a leakproof connection.

NSN Properties and Flags
NATO Stock Number
4730-00-127-8588
DEMIL
NO
Thread Class
2a
Thread Direction
Right-hand
Fabrication Method
Bar stock, machined or rod stock, machined
Casehardening Indicator
Not casehardened
Overall Length
1.531 inches
Thread Size
2.419-16
Tube Outside Diameter For Which Designed
1.750 inches
End Application
Aircraft application
Seat Angle In Deg
30.0
Screw Thread Series Designator
Uns
Width Across Flats
2.360 inches
Strength Rating
6600.0 pounds per square inch tensile
Smallest Inside Diameter
2.210 inches
Special Features
Four @lockwire holes
Material
Aluminum alloy, qq-a-225/6, alloy, 2024, t851
Material
Aluminum alloy, qq-a-225/6, alloy, 2024, t851
Surface Treatment
Anodize and dichromate
Style Designator
Inverted nut, tube, flare
Surface Treatment
Anodized and dichromate

Pricing and Availability

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NSN 4730-00-127-8588 Datasheet

Supply Class (FSC):
Railing Fittings Lubrication Tube Pipe Hose
Cross Reference:
  • C21017AD
  • T1038-175
  • 21017AD
Cage Codes:
  • Eaton Aviation Corporation (CAGE 08118)
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

U - Precious metal content is unknown

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:

    576 - Metal and metal products, nos, (less than 35 feet)

  • 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
    J
  • Quantity per pack
    1
  • Unit of Measure
    Ea
  • Shelf Life
    N/A
  • Classification Control
    U
  • MGMT_CTL
    Sf9sx-n
  • Repariability

Questions & Answers:
What are the historical prices recorded for this stock number?
Historical data shows pricing from $457.85 to $763.09..
Does NSN 4730-00-127-8588 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 Air Force, Department Of The Navy, Brazil, Singapore, and Malaysia
What is the NIIN of NSN 4730-00-127-8588?
001278588 or 00-127-8588
Does NSN 4730-00-127-8588 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 4730-00-127-8588?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Jan 12, 1973