Tube Coupling Nut

NSN: 4730-01-543-0361 | 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

4730-01-543-0361

DEMIL

Thread Class

Thread Direction

Right-hand

Nut Style

Tube coupling

Nut Height

Between 0.750 inches and 0.770 inches

Width Across Flats

0.625 inches

Length To Shoulder

Between 0.552 inches and 0.572 inches

Smallest Inside Diameter

Between 0.366 inches and 0.371 inches

Thread Series

Unjf

Thready Qty Per Inch (tpi)

Thread Size

0.500 inches

Tube Outside Diameter

0.313 inches

Seat Angle

45.0 degrees

Part Name Assigned By Controlling Agency

Nut, sleeve coupling, flareless

Special Features

Corrosion resistant steel (15-5ph) with cadium plating

Material

Stainless steel

Surface Treatment

Cadmium

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.

Certified Quality Assurance

ISO 9001:2015 + AS9120B
Counterfeit Parts Prevention
100% Product Inspections
7 Year Record Retention
On Time Delivery
HAZMAT Certified
Worldwide Shipping

NSN 4730-01-543-0361 Datasheet

Supply Class (FSC):

Railing Fittings Lubrication Tube Pipe Hose

Cross Reference:

AS21921
AS18280
MS21921V5P
AS21921
AS18280
MS21921V5P

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:

V - Trailers, vehicles, machinery, shop and warehouse equipment and supplies including special tools and equipment, ground servicing
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
Sf9---n
Repariability

Questions & Answers:
What are the historical prices recorded for this stock number?
Historical data shows pricing from $28.63 to $47.72..
Does NSN 4730-01-543-0361 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, U.s. Coast Guard, Belgium, and Canada
What is the NIIN of NSN 4730-01-543-0361?
015430361 or 01-543-0361
Does NSN 4730-01-543-0361 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 4730-01-543-0361?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Apr 01, 2008