Tube Coupling Nut

NSN: 4730-00-203-2662 | Model: AN818-8J

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

4730-00-203-2662

DEMIL

Thread Class

Thread Direction

Right-hand

Fabrication Method

Any acceptable

Nut Style

Tube coupling

Nut Height

0.844 inches

Width Across Flats

0.875 inches

Length To Shoulder

0.723 inches

Smallest Inside Diameter

0.570 inches

Thread Series

Unf

Thready Qty Per Inch (tpi)

Thread Size

0.750 inches

Tube Outside Diameter

0.500 inches

Material

Steel comp 304

Material Specification

Qq-s-763 federal specification single material response

Surface Treatment

Passivate

Recent Solicitations

Solicitation	Return by Date	Buyer Code	Quantity
SPE7M318T3473	2018-02-12	PMCM4	11122 EA
SPE7M317T8112	2017-09-18	PMCM4	15997 EA
SPE7M317T1752	2017-02-13	PMCM4	4043 EA

Inventory Check

The last inventory check on this NSN was done on 01/05/2024. Due to rapid changes in inventory this may not be the current stock qty.

New: 163
New Surplus: 78
Serviceable: 1
As Removed: 6

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 4730-00-203-2662 Datasheet

Supply Class (FSC):

Railing Fittings Lubrication Tube Pipe Hose

Cross Reference:

AN818-8J
AN818
AS4841
NK818-8J
525-629-90106
829946-1
829946-1
AN818-8J
416775-51
AN818-8C
829946-1
10111303
6728015-8
AN818-8J
525-629-90106
AN818-8J
AN818
AS4841
NK818-8J
829946-1
AN818-8C
AN818-8J
829946-1
829946-1
416775-51
AN818-8J
6728015-8
10111303
525-629-90106
AN818-8J
AN818
AS4841
NK818-8J
829946-1
AN818-8C
AN818-8J
829946-1
416775-51
829946-1
AN818-8J
6728015-8
10111303
525-629-90106
AN818-8J
AN818
AS4841
NK818-8J
829946-1
AN818-8C
AN818-8J
829946-1
416775-51
829946-1
AN818-8J
6728015-8
10111303
525-629-90106
AN818-8J
AN818
AS4841
NK818-8J
829946-1
AN818-8C
AN818-8J
829946-1
416775-51
829946-1
AN818-8J
6728015-8
10111303

Cage Codes:

Aeronautical Standards Group (CAGE 88044)
Society Of Automotive Engineers Inc (CAGE 81343)
Nylok Corporation (CAGE 26233)
Honeywell International Inc. (CAGE 99193)
Airborne & Space Leonardo S.p.a. (CAGE A0810)
Raytheon Company (CAGE 96214)
Crown Fitting Co Inc (CAGE 22995)
Fiar Fabbrica Italiana (CAGE A0072)
Nimikkeistokeskus Ncb Finland (CAGE A486G)
Allison Transmission, Inc. (CAGE 73342)
Tech Aero Inc (CAGE 17341)

Replacements:

4730-00-203-2662 replaces 4730-00-734-5763
4730-00-203-2662 replaces 4730-00-904-0879

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

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:

093486 - Bolts, nuts or screws, noi (sub 3)
WCC:

573 - Bolts or nuts (iron or steel),(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:

W - Rating variable
TCC:

Z - No special type of cargo code applicable

NSN Management Codes:

SOS
Sms
AAC
D
Quantity per pack
25
Unit of Measure
Ea
Shelf Life
N/A
Classification Control
U
MGMT_CTL
12b2---
Repariability
If condemned or uneconomically repairable , then dispose at direct support (ds) level.

Questions & Answers:
What are the historical prices recorded for this stock number?
Historical data shows pricing from $8.18 to $13.64..
Does NSN 4730-00-203-2662 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, National Aeronautics and Space Administration, National Aeronautics and Space Administration, Finland, Poland, Bulgaria, Brazil, Spain, Israel, Singapore, Kuwait, Malaysia, Australia, Belgium, Canada, New Zealand, France, Germany, Republic Of Korea, United Kingdom, Netherlands, Portugal, Italy, Denmark, Norway, Greece, Turkey, and Nato Maintenance and Supply Agency
What is the NIIN of NSN 4730-00-203-2662?
002032662 or 00-203-2662
Does NSN 4730-00-203-2662 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 4730-00-203-2662?
Solicitation SPE7M318T3473 for qty 11122 on 02/02/2018
When was this national stock number assigned to the federal catalog?
Jan 01, 1961