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Tube Coupling Nut

NSN: 4730-01-543-0367 | Model: AS21921

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.

NSN Properties and Flags
NATO Stock Number
4730-01-543-0367
DEMIL
NO
Thread Class
3b
Thread Direction
Right-hand
Fabrication Method
Any acceptable
Nut Style
Tube coupling
Nut Height
Between 0.850 inches and 0.870 inches
Width Across Flats
0.875 inches
Length To Shoulder
Between 0.599 inches and 0.619 inches
Smallest Inside Diameter
Between 0.552 inches and 0.557 inches
Thread Series
Unjf
Thready Qty Per Inch (tpi)
16
Thread Size
0.750 inches
Tube Outside Diameter
0.500 inches
Seat Angle
45.00 degrees
Part Name Assigned By Controlling Agency
Nut, sleeve coupling, flareless
Special Features
Corrosion resistant steel (15-5) with cadmium plating
Material
Stainless steel
Surface Treatment
Cadmium
Specification Data
81343 - as21921 professional/industrial association standard
Recent Solicitations
Solicitation Return by Date Buyer Code Quantity
SPE7M321T117U 2021-08-09 PMCM4 2693 EA
SPE7M319T093D 2019-08-05 PMCM4 1126 EA
SPE7M319T0324 2018-10-15 C0138 1530 EA
SPE7M318T2709 2018-01-18 PMCMD 1620 EA

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 4730-01-543-0367 Datasheet

Supply Class (FSC):
Railing Fittings Lubrication Tube Pipe Hose
Cross Reference:
  • AS21921
  • AS18280
  • MS21921V8P
  • AS21921
  • AS18280
  • MS21921V8P
Cage Codes:
  • Society Of Automotive Engineers Inc (CAGE 81343)
Schedule B & Trade:
  • Schedule B: 7318160000 (NAICS 332722)

    Nuts of iron or steel

  • SITC: 69421

    Screws, bolts, nuts, screw hooks, rivets, washers and similar articles, threaded, of iron or steel

  • End Use: 12300

    Finished metal shapes

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.

ESD

A - No known electrostatic discharge (esd) or electromagnetic interference (emi) sensitivity.

ADPE

- Represents items with no adp components

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:

    051420 - Conduits, o/t earthen: pipe fittings

  • WCC:

    736 - Plumbing supplies

  • 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:

    W - Rating variable

  • TCC:

    Z - No special type of cargo code applicable

NSN Management Codes:
  • SOS
    Sms
  • AAC
    Z
  • Quantity per pack
    1
  • 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 $27.58 to $45.97..
Does NSN 4730-01-543-0367 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, Spain, Israel, and Nato Maintenance and Supply Agency
What is the NIIN of NSN 4730-01-543-0367?
015430367 or 01-543-0367
Does NSN 4730-01-543-0367 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 4730-01-543-0367?
Solicitation SPE7M321T117U for qty 2693 on 08/04/2021
When was this national stock number assigned to the federal catalog?
Aug 28, 2006